ASTM A312 TP310s Seamless Stainless Steel Pipe, SA312 310S Stainless Steel Pipe

Name

ASTM A312 310S Stainless Steel pipe

Standard

ASTM A554, A249, A269 and A270, A312

Material Grade

310s 

Outer Diameter

6mm--2500mm

Thickness

1mm- 100mm

Length

6m or as customers' request

Tolerance

a) Outer Diameter: +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180G, 320G, 400G Satin / Hairline NO.1

400G, 500G, 600G or 800G Mirror finish

Application

Decoration construction, upholstery, industry instrument

Test

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

Chemical Composition of Material

Material

Composition

201

304

316

310s

C

≤0.15

≤0.15

≤0.08

≤0.08

≤0.08

Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤2.00

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.03

≤0.03

≤0.030

≤0.030

≤0.035

Cr

16-18

17-19

18-20

16-18

24-16

N

3.5-5.5

4-6

8-10.5

10-14

Mo

2.0-3.0

Mechanical Property

Material Item

201

202

304

316

Tensile Strength

≥535

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness (HV)

<253

<253

<200

<200