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Stainless steel description
Stainless steel is an alloy of iron that contains chromium and other alloying metals like nickel, molybdenum, titanium, copper,carbon, and nitrogen. Stainless Steel Tubing is used in aircraft hydraulic lifts, factories, mills, production lines, fuel and heat industries, military, nuclear development, etc. The stainless steel pipes & tubes available in various grades such as 201 304, 316L, 309S, 310S, 317L, 321, 321H, 347H, 316Ti are used for manufacturing.
They are produced by methods like TIG, Laser welding, SAW, and other welding procedures.
Round Pipes & Tubes also come in various shapes such as oval, rectangular, hex, square or flat in shape too. They have excellent load bearing strength. Cold Drawn Pipes & Tubes are prepared by using Die plugs which helps in drawing the tube or pipe, which are coated with oxalic and soap solution for lubrication purpose, over the bench.
100% PMI testing for Chemical composition
The ISO 9001 management system ensure the high quality of the products;
Lab testing for Tension, Flaring, Hydrostatic, Radiographic, non-destructive Test;
Optional: Straightness, Roughness, Impact Test, Grain Size Determinations, Intergranular Corrosion;
Stainless Steel SMLS Pipe:
Grade |
201 202 304 304l 316l 321 310s 410 420 430 409 439 436 etc | |||
Production standard |
ASTM A554 A312, A213, A269, A511, A790, A789; ASME SA213, SA312, SA789, SA790; DIN17456, DIN17458, EN10216; JIS G3456, G3448, G3459, G3463 etc. |
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Outer diameter |
1/8",1/4",3/8".....48" or 6mm to 2000mm |
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Wall thickness |
Sch 5s to SchXXS or 0.2-10mm |
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Length |
3000mm, 5800mm, 6000mm, or as per customer request |
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Stock |
Common stock 20000 tons |
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Packing |
each pipe in polybag, about 50kgs in one bundle, then packed by woven bag |
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Surface treatment |
Mirror polished, satin brushed, hairline |
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MOQ |
1 pc |
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Service |
each pipe PMI testing to check chemical composition |
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Application
Widely used in Petroleum, Foodstuff, Chemical Industry, Construction, Electric power,
Nuclear Energy, Biotechnology, Machinery, Paper making, Shipbuilding, Boiler fields etc.
Quality Control
The main material including TP304/304L, TP316/316L, TP321, 310S, 904L, S31803, 2520Si2 Monel400 etc, the available specification range are OD: from 3.0mm to 60.33mm, WT: from 0.25mm to 7.0mm. The main production equipment including 102 cold-rolling lines. Three sets of bright annealing furnaces, two sets of polishing machines, 4 sets of Ultrasonic cleaning machine with independent intellectual property rights. Tensile testing equipment, Hardness tester, Roughness tester, Salt spray testig machine, Carbon-sulfur analyzer, Eddy current test, Ultrasonic test, Hydraulic test, Germany import direct reading spectrometer etc. The annual output of more than 5000 tons precision bright annealing tubes, mainly used in Semiconductor industry, Automotive engine, Locomotive brake system, Gas equipment manufacturing, integrated circuits industry, microelectronic equipment, Instrumentation and laboratory etc.
| Item | Bright Annealed Seamless Stainless Steel Tube | Size | Outer Diameter: 6-114mm Thickness: 0.5-5mm Length: as per customer request |
| Customized Polished Stainless Steel Tube | Outer Diameter: 5-114mm Thickness: 0.5-42mm Length: as per customer request |
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| Pickled & Annealed Seamless Stainless Steel Tube | Outer Diameter: 5-406mm Thickness: 0.5-42mm Length: as per customer request |
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| Standard | ASTM A213, A312, ASTM A269, ASTM A778, ASTM A789, DIN 17456, DIN17457, DIN 17459,JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296 | ||
| Material | 304, 304L, 309S, 310S, 316, 316Ti, 317, 317L, 321, 347, 347H, 304N, 316L, 316N, 201, 202 |
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| Surface | Polishing, Annealing, Pickling, Bright | ||
| Type | Hot Rolled and Cold Rolled | ||
| Transport Package | With plastic caps on both end, pack into Bundles/customized | ||
| Trademark | Sailing/customized | ||
| MOQ | 1 Ton | ||
| Productivity | 3000 Ton Per Month | ||
| Certificate | GOST, PED by TUV, ISO9001 | ||
| Origin | China | ||
| Usage | Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose | ||
Zhongzheng Stainless Steel Co., Ltd. was established in 2018 with aregistered capital of 20 million yuan. lt is a manufacturing company thatintegrates the production of special materials, manufacturing andprocessing, sales, and technology development. The company covers anarea of 2,000 square meters and has 200 employees. it has built worldclass stainless steel seamless pipe (hot piercing, cold drawing, cold rollingproduction lines, precision steel pipe production lines, and large, mediumand small-sized welded pipe production lines. The company has beencommitted to providing high performance, high precision, hightemperature-resistant, high pressure-resistant, and corrosion-resistantsolutions and technical services for industrial equipment pipeline systems.The company specializes in producing a series of steel pipes, pipe fittingsflanges, etc., such as high-temperature (nickel-based) alloys, austeniticduplex steel, urea grade stainless steel, super stainless steel, etc. Thecompany is equipped with an annual production capacity of 5,000 tons ofstainless steel seamless pipe production line, 7,000 tons of welded pipeproduction line, and 500 tons of pipe fittings production line, etc. lt canoroduce stainless steel seamless pipes with diameters ranging from Φ6 toΦ762 and wall thicknesses ranging from 0.5 to 70 mm, stainless steelwelded pipes with diameters ranging from Φ15 to Φ2200 and wallthicknesses ranging from 0.5 to 80 mm, pipe fittings, and various stainlesssteel ingots, round steel, rough pipes, etc., according to customerrequirements and in accordance with standards such as GB, ASTM, etc.
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