Name

304 Stainless Steel Round Bar

Standard

ASTM A554, A312, A249, A269 and A270

Material Grade

304,316,201,202, 316L,430

Size Range

diameter;8-200mm 

Length

6m or as customers' request

Tolerance

Surface

180G, 320G, 400G Satin / Hairline(Matt Finish, Brush, Dull Finish)

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

Application

Ornamental , Decoration construction, upholstery, industry instruments

Test

Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT

Chemical Composition of Material

Composition

   Material

201

202

304

316

430

C

≤0.15

≤0.15

≤0.08

≤0.08

≤0.12

Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤1.00

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.03

≤0.03

≤0.030

≤0.030

≤0.030

Cr

16-18

17-19

18-20

16-18

16-18

Ni

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