Ashwin Impex are one of the leading manufacturers, suppliers and exporters of stainless steel, carbon steel, alloy steel, duplex steel, high nickel alloy pipes, tubes, butt weld pipe fittings, flanges, sheets, plates, coils, round bars, rods, forged fittings, fasteners in Mumbai India.
Our Products
Stainless Steel 304 Pipe Fittings
Stainless Steel 304 Flanges
Stainless Steel 304 Fasteners
Stainless Steel 304 Sheets & Plate
Stainless Steel 304L Pipe Fittings
Stainless Steel 304L Flanges
Stainless Steel 304L Fasteners
Stainless Steel 304L Sheets & Plate
Stainless Steel 316 Pipe Fittings
Stainless Steel 316 Flanges
Stainless Steel 316 Fasteners
Stainless Steel 316 Sheets & Plate
Stainless Steel 316L Pipe Fittings
Stainless Steel 316L Flanges
Stainless Steel 316L Fasteners
Stainless Steel 316L Sheets & Plate
more info please visit us http://www.ashwinimpex.com
A335 P11 Pipe Suppliers, asme a335 p11, astm a335 p11 pipe, ASTM A335/ASME SA335 P11 Alloy Steel Pipe Suppliers, ASTM A335 Alloy Steel Pipe suppliers, ASTM A335/ASME SA335 P11 Alloy Steel Pipe Manufacturers in india, A335 P11 Alloy steel Seamless Pipe, ASTM A335/ASME SA335 P11 Alloy Steel Pipe exporters in india
We are leading ASTM A335/ASME SA335 P11 Alloy Steel Pipe suppliers in India, P11 Seamless Ferritic Alloy-Steel Pipe, ASME SA335 Grade P11 Alloy Steel Seamless Pipe, also stock P11 Boiler Pipe/ Tube, P11 Heat exchanger Tubes & P11 superheater tubes suppliers, ASTM A335 Gr P11, P11 material, A335 Chrome Moly Alloy Pipe Gr. P11, Alloy Steel P11 Seamless Pipes, ASTM A335 Gr P11 Pipes , ASTM A335 Gr P11 Pipes Manufacturer, Pipes Astm A335 P11 Seamless Pipe
Nitron Alloys Overseas
ADDRESS :65/73, Habib Building, 3rd Floor, Office NO:- 41, 2nd Panjrapole Lane, C.P Tank Road, Mumbai
EMAIL : exports@nitronalloys.com
PHONE : +91 22 66394868
MOBILE : +91 9819903231
CONTACT PERSON : Akshay Jain(Export Department)
We are leading ASTM A335/ASME SA335 P12 Alloy Steel Pipe suppliers in India, P12 Seamless Ferritic Alloy-Steel Pipe, ASME SA335 Grade P12 Alloy Steel Seamless Pipe, also stock P12 Boiler Pipe/ Tube, P12 Heat exchanger Tubes & P12 superheater tubes suppliers, ASTM A335 Gr P12, P12 material, A335 Chrome Moly Alloy Pipe Gr. P12, Alloy Steel P12 Seamless Pipes, ASTM A335 Gr P12 Pipes , ASTM A335 Gr P12 Pipes Manufacturer, ASTM A335 p12 pipe
Nitron Alloys Overseas
ADDRESS :65/73, Habib Building, 3rd Floor, Office NO:- 41, 2nd Panjrapole Lane, C.P Tank Road, Mumbai
EMAIL : exports@nitronalloys.com
PHONE : +91 22 66394868
MOBILE : +91 9819903231
CONTACT PERSON : Akshay Jain(Export Department)
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Nitron Alloys Overseas
ADDRESS :65/73, Habib Building, 3rd Floor, Office NO:- 41, 2nd Panjrapole Lane, C.P Tank Road, Mumbai
EMAIL : exports@nitronalloys.com
PHONE : +91 22 66394868
MOBILE : +91 9819903231
CONTACT PERSON : Akshay Jain(Export Department)
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Nitron Alloys Overseas
ADDRESS :65/73, Habib Building, 3rd Floor, Office NO:- 41, 2nd Panjrapole Lane, C.P Tank Road, Mumbai
EMAIL : exports@nitronalloys.com
PHONE : +91 22 66394868
MOBILE : +91 9819903231
CONTACT PERSON : Akshay Jain(Export Department)
A335 P9 Pipe Suppliers, asme a335 p9, asme a335 grade p9, astm a335 p9 pipe, ASTM A335/ASME SA335 P9 Alloy Steel Pipe Suppliers, ASTM A335 Alloy Steel Pipe suppliers, ASTM A335/ASME SA335 P9 Alloy Steel Pipe Manufacturers in india, A335 P9 Alloy steel Seamless Pipe, ASTM A335/ASME SA335 P9 Boiler Steel Pipe suppliers, ASTM A335/ASME SA335 P9 Alloy Steel Pipe exporters in india
We are leading ASTM A335/ASME SA335 P9 Alloy Steel Pipe suppliers in India, P9 Seamless Ferritic Alloy-Steel Pipe, ASME SA335 Grade P9 Alloy Steel Seamless Pipe, also stock P9 Boiler Pipe/ Tube, P9 Heat exchanger Tubes & P9 superheater tubes suppliers, ASTM A335 Gr P9, P9 material, A335 Chrome Moly Alloy Pipe Gr. P9, Alloy Steel P9 Seamless Pipes, ASTM A335 Gr P9 Pipes , ASTM A335 Gr P9 Pipes Manufacturer, Pipes Astm A335 P9 Seamless Pipe
Nitron Alloys Overseas
ADDRESS : 65/73, Habib Building, 3rd Floor, Office NO:- 41, 2nd Panjrapole Lane, C.P Tank Road, Mumbai
EMAIL : exports@nitronalloys.com
PHONE : +91 22 66394868
MOBILE : +91 9819903231
CONTACT PERSON : Akshay Jain(Export Department)
A335 P91 Pipe Suppliers, asme a335 grade p91, asme a335 p91, astm a335 p91 pipe, ASTM A335/ASME SA335 P91 Alloy Steel Pipe Suppliers, ASTM A335 Alloy Steel Pipe suppliers, ASTM A335/ASME SA335 P91 Alloy Steel Pipe Manufacturers in india, A335 P91 Alloy steel Seamless Pipe, ASTM A335/ASME SA335 P91 Alloy Steel Pipe exporters in india, A335 P91 NACE Alloy Steel Pipe
Nitron Alloys Overseas
ADDRESS :65/73, Habib Building, 3rd Floor, Office NO:- 41, 2nd Panjrapole Lane, C.P Tank Road, Mumbai
EMAIL : exports@nitronalloys.com
PHONE : +91 22 66394868
MOBILE : +91 9819903231
CONTACT PERSON : Akshay Jain(Export Department)
Welded steel pipe Manufacturing facilities at Steel Tubes India:
Submerged Arc Welded [SAW] Pipes
STI’s Carbon Steel SAW Pipe manufacturing facility consists of a JCO Press, Helical / Spiral Mills, number of Three Roll Plate Bending Machine, Inside & Outside welding lines, Heat Treatment Furnace and all necessary Testing Equipment to produce high quality pipes conforming to various International Standards. These facilities are capable of manufacturing Steel pipes in various grades.
At Steel Tubes India pipes are supplied according to appropriate standards as well as customer specifications in a large variety of steel grades and dimensions. Specific requirements on execution, tolerances, lengths, and mechanical & chemical properties are offered on request.
Products Manufactured:
- Longitudinal Submerged Arc Welded [L-SAW] Pipes
- Helical / Spiral Submerged Arc Welded [H-SAW] Pipes
- Longitudinal with Circumferential Seam Submerged Arc Welded Pipes
TYPE | DIAMETER RANGE | THICKNESS RANGE | SPECIFICATION¹ | ||
Longitudinal Submerged Arc Welded [L-SAW] Pipes | 16” [406.4 MM] to 56” [1422 MM] |
0.236” [6 MM] to 1.575” [40 MM] |
As per ASTM As per API 5L As per EN / BS As per IS |
||
Helical / Spiral Submerged Arc Welded [H-SAW] Pipes | 8” [219.1 MM] to 142” [3600 MM]² ³ |
0.16” [4 MM] to 0.8” [20 MM] |
As per ASTM As per API 5L As per EN / BS As per IS |
||
Longitudinal with Circumferential Seam Submerged Arc Welded Pipes | 32” [812.8 MM] to 150” [3800 MM]⁴ |
0.472” [12 MM] to 4.725” [120 MM] |
As per ASTM As per API 5L As per EN / BS As per IS |
||
Note: | 1 | Pipes can be supplied as per Customer Specification also. | |||
2 | Pipes up to 64” [1626 MM] can be manufactured with online or two step [offline] welding system. Pipes above 64” [1626 MM] shall be manufactured with online welding system. | ||||
3 | For size above 100” [2540 MM] 100% Manual Ultrasonic Testing of weld shall be carried instead of Hydro Test. | ||||
4 | For size above 142” [3600 MM] 100% Manual Ultrasonic Testing of weld shall be carried instead of Hydro Test. | ||||
Salient Features:
- Heat treatment facility up to 100″ [2540 MM].
- Capability to produce pipe having very close diameter-thickness ratio.
- Capability to manufacture pipes as per API 5L Grade X-80 or Equivalent.
- Capability to manufacture Alloy Steel Pipes.
Application Industry:
Oil and Gas Pipeline
- Cross Country Oil & Gas Pipelines
- Spur Lines
- City Gas Distribution
- Refinery & Petrochemical – High Temperature & Low Temperature Pipes
Power Plant
- Cooling Water Line & Auxiliary Cooling Water Line
- Ash Handling Line
Water & Sewerage
- Distribution and Transmission Lines for Irrigation Systems
- Pipes for Potable Water
- Drainage Pipes
Structural
- Piling and Casing Pipes
- Structural Columns
Other Industrial
- Pipes for Fertilizer Plant
- Mining Pipes
- Dredging Pipes
- Air Duct Piping
- High Mast Pipes for Wind Mill Towers
L-SAW,H-SAW,D-SAW & SAW Pipes are available in Special Steel Grades,API 5L X42,API 5L X52,API 5L X60,API 5L X65 & API 5L X70 in both PSL1 & PSL 2
we are offering API 5L Pipes at best Price along with warranty & free sample
we have our sales representatives in United Kingdom,Netherlands,Egypt,Turkey,Saudi Arabia,Iran,Jordan,Nigeria,South Africa,Australia,Qatar & New Zealand, who can help you to provide technical specifications,weight chart,API line pipe per foot price of Seamless Carbon Steel Pipes & Welded Carbon Steel Pipes
CONTACT STEEL TUBES INDIA :
Address: Ashtavinayak Building, Office No.303, 3rd Floor, Sadanand Wadi, V.P. Road, Girgaum,
Mumbai-400 004, Maharashtra, India
Phone number:+91 22-61432000 (30 Lines), 23895908, 23822821, 66393996
Email ID: stindia@stindia.com , stindia@stindia.co.in
Line Pipe Manufacturer in INDIA
api 5l seamless pipe suppliers
api 5l dsaw pipe manufacturers in india
api 5l lsaw pipe manufacturers in india
ASTM A 672 CS Welded Rectangular Pipes & Tubes distributor, ASTM A672 Grade C60/C65/C70 EFW Pipes & Tubes exporter in India, ASTM A672 gr b60
ASTM A 672 Gr CC 60 EFW Pipes & Tubes stockist, Supplier of ASTM A 672 Gr CC 60 CS EFW Pipes & Tubes, Manufacturer of ASTM A 672 CS Rectangular Welded Pipes, ASTM A 672 carbon Steel ERW Pipes Exporters in India, ASTM A 672 CS EFW Tubing Leading dealers, A672 grade cc 60 efw Rectangular Pipe stockholder, stockist of A672 EFW Tubing, A672 grade cc 70 EFW Square Pipes Price list, Stockist of ASTM A672 Pipe
RELIABLE PIPES & TUBES – Contact Us :
Email Id : info@reliablepipestubes.com
Corporate Office : C-16, Anand Bhuvan 163/165, V.P.Road Mumbai – 400 004, Maharashtra (India)
TEL: +(91)-(22)-23894513/ 23894514/ 23894515/ 67437400/ 67437405
FAX: +(91)-(22)-23894511
Visit Our site : http://www.reliablepipestubes.com/
304 is a chromium-nickel austenitic stainless steel with incredible quality and astonishing utilization assurance as furnished in the reinforced condition with a normal brinell hardness of 175.Characterised by high disintegration insurance all around air damaging circumstances it indicates sublime security from most oxidizing pros, general foodstuffs, purifying courses of action, dyestuffs, most common chemicals, notwithstanding a wide collection of inorganic chemicals furthermore hot oil gases, steam start gases, nitric destructive and to a lesser degree sulphuric destructive.
For last four years BCB METAL INC has developed close connections with the biggest Construction company manufacturers, as well as spare parts suppler. Due to this and several other objects we can supply parts, customer service and shipping for the lowest price on the market.
Company offers a wide range of original and only quality aftermarket parts, such as: Caterpillar, Cummins, Komatsu, Hitachi, Atlas Copco, Detroit Diesel, Volvo Construction, Case, New Holland, Buhler, Bobcat, Freightliner, International. We also supply spare parts for Terex, Liebherr, Grove, TigerCat, Waukesha, Ingersoll Rand, Sandvik, Challenger, JCB, Perkins, Isuzu, Kubota and many other brands. Please contact our experienced sales professionals and they we will be able to answer any question in a timely manner.
CRS is a leading manufacturer of thermit welding materials in China, we have more than 30 years experience of designing thermit welding to the rails. Focusing on rail welding used for railroad, metro, tram, crane rails, turnel construction and maintenance.
We have production area of 2500 square meter, with fully automated batching system, sand mould automatic production & drying machines, equipped with full range of raw materials and welding joint testing equipments. Rail aluminum thermit welding material has been promoted and well applied in the railway lines such as the Beijing-Shanghai high-speed railway line, Jinqin passenger line, Daqin line, Tong-Rang line and Tong-huo line. Materials have been exporting to Australia, Indonesia and other countries many years, the products have won praise.
CRS possesses a qualified team of technicians and engineers who have been improving the quality and performance of products, Certified to the ISO9001:2000 standard, CRS’ welding products have been supplied to a wide range of customers worldwide. Thermit products have been passed Chinese rail welding standard TB/T1632-2005 test, Railway Ministry of China, as well as Australia standard AS1085.15-1995 test, Indonesia welding joint inspection test, Taiwan SGS quality inspection test. We are ready to provide technical & operation training, qualification and certificate for customers to ensure a standardized quality and performance of the welding products.
BESTAR is a China-leading product service provider and exporter of steel pipe, also the most valuable subsidiary of Shinestar Holdings Group. BESTAR passed the SGS Certification of China Supplier System, ISO9001 Quality Management System Certification, ISO 14001 Environment Management System Certification, ISO45001 Occupational Health & Safety Management System Certification and CE certification, got comprehensively high score in the HuaXia D&B assessment and has been rated AAAAA credit enterprise by China Credit Evaluation Association. BESTAR, committed to provide professional service to global clients including the lowest price support, professional technical support, flexible payment methods, strong financial support, the integrated procurement program as well as comprehensive bidding program to help customers create value, has become the most reliable partner in the steel pipe industry.
Somos un fabricante profesional de bridas, accesorios de tubería, accesorios forjados en la India, nos especializamos en la fabricación de todos los tamaños, estándar, tipo, etc. Somos capaces de proporcionar una amplia gama de materiales, desde existencias, para satisfacer sus necesidades. Desde material no estándar altamente especializado hasta artículos listos para usar, desde la producción hasta el prototipo, desde mínimos bajos hasta corridas de fábrica, el fabricante de bridas tiene la experiencia para resolver sus requisitos más difíciles.
We are Manufacturer & Exporter of stainless steel pipes, alloy steel pipes, carbon steel pipes, flanges, pipe fittings like elbow, reducer etc.
Reliable Pipes and Tubes is a well-known prestigious manufacturer, supplier & distributor in the field of oil and gas in accordance with the API standards. API 5L Seamless Pipe are manufactured as agreed upon the execution of the order. Reliable Pipes API 5L Seamless Pipe are distinct products ranging in sizes, grades and the coating to meet up with the requirements of the pipeline.
Ceramic lined pipe is made through the self-propagating high-temperature synthesis (SHS) technique.
Self-propagating High-temperature Synthetic process
Self-propagating high-temperature synthesis (SHS) is used to describe a process in which the initial reagents (usual powders), when ignited, spontaneously transforms into products due to the exothermic heat of reaction.
The combination of high rigidity of ceramic and high elasticity of steel gives the pipe unmatchable features like abrasion resistant, heat resistant, and corrosion-resistant material for use in the fields of power generation, metallurgy, mining, and chemical industry, etc. It has many advantages over steel pipes, cast stone pipes, and steel-plastic compound pipes.
Usage of Ceramic Lined pipe
The ceramic-lined pipe transportation has been widely used in the industries of electric power, metallurgy, coal, petroleum, chemical engineering, building materials, mechanism, and so on.
The ceramic lined elbow throughout the power, metallurgy, coal, petroleum, chemical, building materials, machinery, and other industries, and high-speed development. When lining the wear-resistant ceramic elbow to deliver high grinding material (such as ash, coal, ore powder, etc.), there is a lining of wear-resistant ceramic elbow wear fast, especially the elbow Wear faster. When lining a ceramic-lined elbow to deliver a highly corrosive gas, liquid or solid, there is a problem that the lined wear-resistant ceramic elbow is corroded and is quickly damaged.
There is a problem that it is expensive to use a heat-resistant steel pipe when the material having a higher temperature is conveyed in the lining of the wear-resistant ceramic elbow. After lining the wear-resistant ceramic elbow, these problems are solved.
The ceramic lined elbow is widely used in wear and tear of mine filling material, ore powder and tailings transportation, coal-fired power plant powder, smelting, ash and other things lined with wear-resistant ceramic elbow are also very appropriate.
The ceramic lined pipe, Elbows, Reducer, Tees, and others manufactured in our factory have been used in over 200 thermal power plants, more than 50 mines, and the industries of coal, building materials, mechanism, petroleum, and so on.
Abrasion
Ceramic layer Ceramic Lined Reducer Pipe with flange reducer Al2O3 content greater than 89%, micro-hardness HV1000-1500, which has high abrasion resistance, wear resistance more than ten times higher than carbon steel after quenching, superior tungsten carbide drill.
Application range
- coal pulverizing system of power plant pipeline, including, powder transmission pipeline, thick powder separator pipeline, coal drop pipe, combustion system of a windpipe, a secondary air pipe, three pipeline and burner pipelines, in addition to ash slagging system the discharge pipe, powder pipe, dry ash conveying pipe;
- Iron and steel plant raw material conveying pipeline, collecting pipe, dust pipe, ash pipe, ash pipe, mixing pipe, grinding export pipeline, coal pipeline, coal pipeline, separator pipe, burner radius pipe, etc.;
- Cement plant selection machine outlet pipe, choose machine inlet pipe, pipe dust pipe, vertical mill outlet pipe, circulating air duct, high-temperature air blower, lower material pipe, etc.;
- Petroleum, chemical, mining, coal, coal washing plant, smelting, paper, aluminum, building materials, powder engineering, food machinery, and other processing and conveying material pipes.
Corrosion
Ceramic materials are neutral, chemically stable, have excellent corrosion resistance and acid resistance, resistant to various inorganic acids, organic acids, organic solvents, and their degree of corrosion of stainless steel is more than ten times.
Temperature
Temperature above 2000celsius degree, long-term work in the range of -50 -900 celsius degree.
Easy welding.
The ceramic adjustable tube can be welded, flanged, flexible connectors, and other fast way links, very easy to install.
Clean and easy maintenance
Smooth walls, can prevent scaling, fouling, and self-cleaning functions. Tightness.
Remarks:
- Under the direction of the arrow diagram for the export direction.
- Bend radius is usually 1.5-5 times the diameter of steel pipe (1.5-5D).
- Othe specifications of the composite pipe can be manufactured according to the user requirements.
- The weight is calculated by theoretics, maybe have some tolerance, and real weight will be weigh-in after they finish.
Hoop strength is the resistance against radial pressure. The strength of the ceramic-lined steel composite pipe is 300 to 500MPa.
Features and Advantages of ceramic lined pipe
Ceramic Liner pipe is a high technology production technology-self-fuel high-temperature clutch synthesis method.
1). High Abrasion Resistant:
Vickers hardness of the corundum lining is HV1100 to1500, as high as that of tungsten-cobalt hard alloys, and the abrasion resistance is 20 times as carbon steel pipes. The composite ceramic-lined steel elbow was used in a mining plant for about fifty thousand hours. The general service life of a common steel elbow is about 700 hours.
2). Corrosion Resistant:
Corundum is a neutral material and is acid-proof and fouling-free.
3). Heat Resistant:
Ceramic lined composite steel pipes can work under circumstances of -50 to 800 Celsius degree.
4). Lower Weight and Convenient Installation:
The ceramic-lined steel pipes are lighter than alloy pipes, cast iron pipes, and cast stone pipes and can be welded or connected through flanges, which reduces the expense of transportation and makes the pipes easier to install.
For the pipes with the same sizes, types, and lengths, the weight of the ceramic pipe is about 1/2 of the wearable cast alloy steel pipe’s, while the cost has reduced 10%~20% per meter.
The weight of ceramic-lined steel pipe is about 1/3 of the cast stone bent pipes, 1/2 of the cast stone straight pipes.
Ceramic (Corundum: a-Al2O3) lined abrasion resistant straight pipe and fittings are lined with highly abrasion-resistant ceramic by SHS ——-Self-propagating High-temperature Synthetic process.
- The ceramic-lined steel composite pipe can be joined by welding the steel pipe layer.
- Ceramic-lined pipes can take place of expensive stainless steel, titanium, nickel, cast stone, or alloy pipes.
- Extended service life can also reduce maintenance costs.
Self-Propagating Ceramic Pipe
Self-propagating ceramic steel pipes create a new generation of abrasion and corrosion-resistant engineering pipelines.
The self-propagating ceramic steel pipe has very good wear resistance, Excellent corrosion resistance, and Excellent thermal resistance performance.
SHS-self-propagating ceramic steel pipe and elbow create a new generation of abrasion and corrosion-resistant engineering pipeline. The composite pipe is composed of three layers: ceramic, intermediate, and steel layers.
The ceramic layer is formed by molten alumina at a temperature above 2500 degrees. The molten alumina produced from the reaction Fe2O3+2Al=2Fe+Al2O3 spreads on the inside wall of the steel pipe under the influence of a centrifugal force, then solidifies, so the ceramic layer has high density and smooth surface and bonds to the steel pipe.
Applicable Industries:
- The pipe needs excellent wear resistance property: Power plant, Mining, Sea Port, Coal Plant, And pipe for transporting the powder, slurry, sand, etc.
- Coal washing plant, pipe for transporting coal and other material.
- Pipe for transporting the melted aluminum.
- Any pipe which needs to wear protection, corrosion protection, etc.
Benefits:
- Excellent wear resistance, Alumina content of the ceramic liner is higher than 95%, Hardness HV1000-1500. The wear protection performance is more than 10 times better than carbon steel after quenching,
- Excellent corrosion resistance, stable chemical properties.
- Excellent thermal resistance performance up to 2000℃ Can be used in the area from-50℃ to 900℃ for a long time.
- Can be connected with another pipe by welding, flange and soft fast connecting, and easy installation.
Changsong industrial equipment (Shandong) Co., Ltd. is an innovative and technological & international industrial solution company, established by the management team of Shandong University MBA graduates. Based on experience and international cooperation with SIEMENS-VAI (Primetals), Xstrata, Glencore, SMS, DME, Koniambo, Metso, Vale, SDEPCI, SDM, WESCO, Hiab and other world-renowned companies, through integration of well-known industrial products and spare parts supply channels of headquarters, our business ranges from supplying Complete sets of metallurgical equipment and spare parts,Bisalloy Shangang, fireproofing of shangang, transportation equipment and facilities. Include steel, casting, forging and other metal materials to supplying high-end mechanical and electrical equipment, and instruments.
We have thousands of sub-vendors for the business of joint manufacturing, we also work as agent of many world-renowned brands, we have broad overseas channels accumulated over the years, working together with our strategic partners to provide lean supply chain services, focusing on high-quality customers, to solve the customer’s urgent, special, small orders. JGPI also help all types of enterprises to develop overseas markets, provide commercial and technological consulting services for domestic and foreign enterprises supporting by various industry associations, research institutions, and teams of expert.
Serving your needs of industry
Meeting your demands of advanced instruments
Providing quality and economic hydraulic parts
Service
- Project routine procurement
- Project supplementary procurement
- Production material procurement
- Spare parts procurement
- Collected manufacturing of equipment
- Repair of equipment
- International marketing
- International consultancy of technology and commerce
- Integrated cooperation of project
We focus on the introduction of advanced products and technology to China, the introduction of creative products and enterprises to overseas markets. We integrate industry and expert resources to provide services in fields of energy, environmental protection, metallurgy, chemical, medical, research and other industries. Our corporate culture:
Customer Value Oriented
Customer Trust as the Goal
Quality and Safety as the Gene
We insist on continuous improvement, prevention, access to the trust of suppliers and customers to jointly ensure the smooth progress of the project, to make the world better through our joint efforts.
What is Gate valves
Gate valves are widely used for all types of applications and are suitable for both above-ground and underground installation. Not least for underground installations it is paramount to choose the right type of valve to avoid high replacement costs.
Gate valves are used to shut off the flow of liquids rather than for flow regulation. When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low flow resistance. The size of the open flow path generally varies in a nonlinear manner as the gate is moved. This means that the flow rate does not change evenly with stem travel. Depending on the construction, a partially open gate can vibrate from the fluid flow
Gate valves are mostly used with larger pipe diameters (from 2″ to the largest pipelines) since they are less complex to construct than other types of valves in large sizes.
Main gate valve parts of a gate valve are: body, seat, gate, stem, bonnet and actuator. The main operation mechanism is very simple. When the handwheel is turned, it rotates the stem, which is translated into the vertical movement of a gate via threads.
There are three ways to classify the gate valve.
Types of Disk
Solid taper wedge
Flexible wedge
Split wedge or Parallel disks Valve
Types of Body Bonnet Joint
Screwed Bonnet
Bolted-Bonnet
Welded-Bonnet
Pressure-Seal Bonnet
Types of Stem movement
Rising Stem or OS & Y Type (Outside Stem and Screw Type)
Non-rising Stem type
Gate valvesare used in almost all fluid services such as air, fuel gas, feedwater, steam, lube oil, hydrocarbon, and all most any services.
Some special gate valve is used in slurry and powder product also such as knife gate valve
COGNE began its industrial activity back in 1911. It was called Cogne after the name of the village where iron ore mines have been exploited since the Roman times.
Copper Mould Tube & Plate
We specially in supplying Copper Mould Tube, Crystallizing equipment of continuous casters, Mould cooling jacket, Repair of Metallurgical Copper Mould Tube, etc.
Equipments & Spare parts for Continuous Casting Machine.
- Copper mould tube( square, rectangle and round )
- Crystallizing equipment of continuous casters
- Mould cooling jacket.
- repair of copper tube moulds
The copper alloys chosen for the moulds must maintain their physical properties at the operating temperatures of the continuous casting process.
The temperature gradation from the inner wall of the mould to the outside face of the mould can cause serious distortion problems, and Metallurgical Copper Mould Tube is imperative that the correct alloy is chosen for the various operating conditions.
Square Copper mould tube STANDARD MATERIALS
Phosphorus de-oxidised copper
This alloy has been proven to be excellent for the manufacture of moulds in the continuous casting of billets. The main composition of this alloy are Cu +Ag 99.90min, P0.0015 / 0.040.
Copper -Silver alloy
The addition of a small amount of silver, whilst not increasing the melting point of copper, does increase the recrystallisation temperature by almost 100℃, and also helps to give better thermal conductivity at the operating temperatures.
This alloy is normally used in moulds for the continuous casting of blooms and slabs .In this case, the moulds are much thicker than in the billet moulds, and the moulds temperature can be higher. The main composition of this alloy are Cu+Ag99.90 min. Ag 0.08 / 0.12 O 0.004 / 0.012.
The continuous casting of molten steel into billets, blooms and slab products, has been highly refined over the years into an extremely sophisticated system. The continuous casting process is expected to produce metallurgically sound products at the lower possible cost, and this is being achieved in many steelworks throughout the world.
Copper moulds have played an important role in the development of the continuous casting process. Their funcition is to receive the molten steel and to allow rapid heat transfer from the steel to the cooling water to enable quick solidification.
The mould must exhibit excellent thermal conductivity, be resistant for thermal erosion ,and be resistant to distortion from thermal stress. So far only copper and a few copper alloys meet the above conditions, both economically and technically.
Mould cooling jacket supplier SOLIDIFICATION
The rate of solidification in the continuous casting process dictates the speed of production. The molten steel, which is in contact with the inner faces of the copper mould, starts to sllidify as rapidly as the heat is extracted, forming a shell. The shell increases in thickness as more heat is extracted, and eventually total solidfication is achieved. the process is similar to the solidification of ingots in ingot moulds. In continuous casting, the whole process is speeded up, with the aim to produce and homogeneous shell growth. Consequently, the mould is an important part of the continuous casting process, and the manufactured quality of the mould plays and important role in their length of life.
INNER SURFACE COATINGS
Over the years, Metallurgists and Engineers have been working together to develop better continuous casting moulds. The steel companies require a more economical mould which will give a longer service life. Surface coating of the inner walls of the mould has given the best results to date. Coatings available are Chromium and Nickel plating. Also, a combination of the two give good results on slab casting.
SPECIFICATIONS OF COPPER MOULD
Square 60 x 60 – 350 x 350 (mm)
Rectangle 120 x 160 – 180 x 300 (mm)
Diameter 100-400 (mm)
Size(mm): 90×90, 100×100, 110×110, 115×115, 120×120
130×130, 135×135, 140×140, 143×143, 150×150
155×155, 160×160, 165×165, 175×175, 180×180
200×200, 220×220, 100×170, 100×173, 130×240
150×200, 150×210, 150×220, 160×200, 160×220
150×225, 160×235, 165×225, 175×225, 180×220
200×240, 240×240, 235×235
Radius(mm): 4000, 5000, 5250, 6000, 7000, 7500, 8000, 9000, 10250, 10300, 11000, 12000
Length(mm): 700, 750, 780, 790, 800, 810, 812, 850, 900, 1000