china supplier ss304 ss316stainless steel expansion through bolt

Group

C

Si

Mn

P

S

Cr

Mo

Ni

Cu

304-A2

0.1

1

2

0.05

0.03

15-20

8-19

4

316-A4

0.08

1

2

0.045

0.03

16-18.5

2-3

10-15

1

grade

diameter

Strength mpa/mm2

Non proportional elongation mpa/mm2

Percentage elongation mpa/mm2

Austerity

A2,A4

50

≤ 39

500

210

0.6d

70

≤ 24

700

450

0.4d

80

≤ 24

800

600

0.3d