Grade

Type

ASME

EN

JIS

GB

1

High Alloy Steel

Bolt

S42020

Contrast

2

High Alloy Steel

Bolt

SA-193 B8

EN1.4301

S30408

Contrast

3

High Alloy Steel

Bolt

SA-193 B8T

S32168

Contrast

4

High Alloy Steel

Bolt

SA-193 B8M

EN1.4401

S31608

Contrast