High Luster High Rigidity 304 316L stainless steel tube

Name

stainless steel sus316l ap tube seamless

Items

Square pipes,rectangular pipes, round tubes, oval pipes, special shaped pipes

Standard

ASTM ,GB,DIN  AISI

Material Grade

201: Ni 0.7%--1%

202: Ni 3.0%--4%

304: Ni 8%, Cr 18%

Outer Diameter

10mm--800mm

square

12.7x12.7--100x100mm 

rectangular

10x20--95x45mm

Thickness

1mm -34mm

Length

5.8m,6m, or as customers' request

Tolerance

a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180Grit, 320Grit, 400Grit Satin / Hairline

400Grit, 500Grit, 600Grit Mirror finish

Application

Decoration,upholstery,rail,stair armrest,door,gate,window frame,holder structure,etc.

Test

Squash test, extended test, water pressure test,heat treatment, NDT

Chemical Composition of Material

Material

201

201

304

C

≤0.15

≤0.15

≤0.08

Si

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

P

≤0.06

≤0.06

≤0.045

S

≤0.03

≤0.03

≤0.03

Cr

16-18

17-19

18-20

N

3.5-5.5

4--6

8-10.5

Mechanical Property

Material Item 

201

202

Tensile Strength

≥535

≥520

Yield Strength

≥245

≥205

Extension

≥30%

≥30%

Hardness (HV)

<253

<253