3, steel grade of alloy structure steel contrasts approximately
中 国
德 国
法 国
国际标准
日 本
瑞 典
英 国
美 国
GB
DIN
W-Nr
NF
ISO
JIS
SS14
BS
ASTM/AISI
UNS
20Mn2
20Mn6
1.1169
20M5
22Mn6
SMn420
-
150M19
1320
-
30Mn2
30Mn5
1.1165
32M5
28Mn6
-
-
150M28
1330
G13300
35Mn2
36Mn5
1.1167
35M5
36Mn6
SMn433
2120
150M6
1335
G13350
40Mn2
-
-
40M5
42Mn6
SMn438
-
-
1340
G13400
45Mn2
46Mn7
1.0912
45M5
-
SMn443
-
-
1345
G13450
50Mn2
50Mn7
1.0913
55M5
-
-
-
-
-
-
15MnV
15MnV5
1.5213
-
-
-
-
-
-
-
20MnV
20MnV6
1.5217
-
-
-
-
-
-
-
42MnV
42MnV7
1.5223
-
-
-
-
-
-
-
35SiMn
37MnSi5
1.5122
38MS5
-
-
-
En46S②
-
-
42SiMn
46MnSi4
1.5121
41S7
-
-
-
-
-
-
40B
-
-
-
-
-
-
170H41
14B35
-
45B
-
-
-
-
-
-
-
14B50
-
40MnB
-
-
38MB5
-
-
-
185H40
-
-
15Cr
15Cr3
1.7015
12C3
-
SCr415
15X
523A14
523M15 5115 G51150 20Cr 20Cr4 1.7027 18C3 20Cr4 SCr420 - 527A20 5120 G51200 30Cr 28Cr4 1.7030 32C4 - SCr430 - 530A30 5130 G51300 35Cr 34Cr4 1.7033 38C4 34Cr4 SCr435 - 530A36 5135 G51350 40Cr 41Cr4 1.7035 42C4 41Cr4 SCr440 2245 530A40
530M40 5140 G51400 45Cr - - 45C4 - SCr445 - - 5145 G51450 50Cr - - 50C4 - - - - 5150 G51500 12CrMo 13CrMoV44 1.7335 12CD4 - - 2216 1501-620 4119 - 12CrMoV - - - - - - Cr27 - - 15CrMo ① 15CrMo5 1.7262 15CD4.05 - SCM415 - 1501-620
Cr31 - - 25CrMo5 1.7218 25CD4 of 20CrMo 20CrMo5 1.7264 18CD4 18CrMo4 SCM420 CDS12 4118 G41180 25CrMo ① - - 2225 - - - 30CrMo - - 30CD4 - SCM430 - - - - 35CrMo 34CrMo4 1.7220 35CD4 34CrMo4 SCM435 2234 708A37 4135 G41350 35CrMoV - - - - - - CDS13
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Each country structure contrasts with steel steel grade (3)
From; Author:Stand originally