Japan

China

Notes

Japan

China

SS400

Q235-A

SUP3

65Mn

SM490B

Q345B

SUP3(SUP6-13)

50CrVA

SCM440（QT）

42CrMo

quenching and tempering

SS400(SS41)

Q235-A

LBc3

ZQSn10-5

Q235-B

S45C(N)

45

normalizing

Q235-C

S45C(QT)

45

quenching and tempering

Q235-D

FCD45

QT450-10

SCM415

20CrMnTi

SCM435（QT）

35CrMo

quenching and tempering

SCM435

35CrMo

SM58Q

15MnV

SCM440

42CrMo

6T,4T

8.8   8

BOLT &NUT

SCr420

20Cr

SCW410

ZG230-450

SCr440

40Cr

10T

High Duty Bolt

S20C

20

S25C

25

S35C

35

S45C

45