ASTM Ss A312 304 304L 310 310S 316 316L 321 347 904L S31803 S32205 S32750 Smls Weld Seamless Welded Stainless Steel Tubing Rectangular Round Pipe

ASTM Ss A312 304 304L 310 310S 316 316L 321 410 904L S31803 S32205 S32750 Smls weld Seamless Welded Stainless Steel Tubing Exhaust Square Rectangular Round Tube Pipe

Material	Austenitic 300 series dual grade duplex and super duplex super austenitic stainless steel pipe tube 400 series steel for heat exchanger/condenser/semiconductor/corrosion media transport/chemical and mechanical industry & Precision tube.
Standard	GB/T, ANSI, ASTM, ASME, DIN, EN10216, JISG, GOST 9941, etc
Shape	Seamless welded Round Pipe/Tube, Plate, Sheet, Round Rod(Bar) Rectangular and square
Surface	Annealing & Pickling, Anneal, passivate, Bright Annealing (BA Finished), Electropolishing (EP),  Grinding, Polish, etc.
Material Grade	300 series austenitic	304 304H 321 321H 316 316L 317 317L 347 347H 309 310S 310H 310 UNS S30815
	Duplex and super duplex	Duplex: 31803 UNS S31803 32205 2205 UNS S32205 32304 UNS S32304 Super duplex: 2507 32750 UNS S32750 32760 UNS S32760
	Super austenitic	AL6XN N08367 N08904 904 904L S31254 254SMO
	400 series	405 410 430 409 439 429 430Ti
	Dual grade	304/304L 304/304l 304/l 316/316L 316/316l 316/L 304/L
Specification	Pipe/Tube range	od 6.35-762mm,wt 0.51-50.8mm ,Length Typically 6096mm
	Plate/Sheet range	width ≤ 2400mm,Thk≤63.5mm(for rectangular plate) Dia ≤1800mm, Thk≤63.5mm(for round plate)
Application	It is widely used in High-temperature and Electrical industry, Medical devices, Heat-exchanger, Boiler, Chemistry, Aerospace, Nuclear power, laboratory, special gas transport, semiconductor, solar and Marine seabed gas and oil transport, liquid Etc.
Payment terms	1)30% deposit,the balance against copy of B/L by T/T. 2) 30% deposit by T/T, the balance by irrevocable  L/C at sight.
Delivery time	Delivery time: about 2 Months
Samples	Free samples are provided  for that length less than 350mm but the freight is borne by the buyer, but we permit to return to buyer after order placed.

Product photos

workshop of plant

Product inspection

warehouse products

Company Profile

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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