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ASTM 312 321 Big Diameter Cold Rolled Stainless Steel Pipe

Stainless steel plate surface is bright and clean, with high plasticity, toughness and mechanical strength, acid, alkaline gas, solution and other media corrosion.It is an alloy steel that does not rust easily, but is not absolutely rust free.Stainless steel plate refers to the atmosphere, steam and water and other weak medium corrosion of steel plate, and acid steel plate is acid, alkali, salt and other chemical corrosion medium corrosion of steel plate.

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Stainless steel pipe are light weight and are widely used in the manufacture of mechanical parts and engineering structures. Mainly used in petroleum, chemical, medical, food, light industry, mechanical instrumentation and other industrial pipelines and mechanical structural components.

Standard：	ASTM EN DIN GB ISO JIS	Certification：	SGS，ISO，ROHS
Length：	6000-25000mm,etc	Surface：	2B,2D,BA,NO.1,NO.4,NO.8,8K,Pickling,Bright;mirror,checkered,embossed,hair line, sand blast, Brush, etching, etc
Diameter：	3mm--1000mm, etc	Production Process：	Cold Drawn,Cold Rolled,Bright Anneal etc
Thickness：	0.5-40mm	Surface Treatment:	Standard export package, suit for all kinds of transport, as required.
Export Packing：	Waterproof Paper, Steel Strip Packed and other Standard Export Seaworthy Package, or customized package	Loading Port:	Pickled,Passivation,Inside & Outside Mechanical Polishing, BA, Electropolishing (EP)
Heat Treatment Condition:	Solution Annealing and water rapid quenched, Bright Annealing,Stess Relieving Heat Treatment for U tubes	Trade Terms:	FOB, CNF,CIF
Grade：	201,202,304,304L，309，309S，310S，316,316L，316Ti，317L，321,347H，409,409L，410，410S，420（420J1，420J2），430，436，439，441，444，446 etc1.4301, 1.4307, 1.4541, 1.4401, 1.4404 ,1.4571, 1.4438, 1.4539, 1.4547, 1.4529, 1.4562, 1.4410, 1.4878, 1.4845, 1.4828, 1.4876, 2.4858, 2.4819
Advantage:	1. high quality surface, clean finished2. corrosion & oxidation resistance, more durable3. high ductility and good toughness4. high strength and to deform5. the use to diversity
Container Size：	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)

Surface Finished	Characteristics	Application
BA	Bright heat treatment after cold rolling.	Ktchen utenstil, Kitchen ware, Architectural purpose.
2B	Finished by heat treatment, pickling after cold rolling, followed by skin pass line to more brighter and smooth surface.	General application medical instruments, Tableware.
NO.1	Finished by hot-rolling, annealing and pickling, characterized by white pickled surface.	Chemical industry equipment, Industrial tanks.
8K(mirror)	A mirror-like reflective surface by polishing with finer abrasives over 800 mesh.	Refletor, Mirror, Interior- Exterior decoration for building.
Hair Line	Finished by continuous linear polishing.	Architecture industries, Escalators, Kitchen ware, Vehicles.

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