合金结构钢牌号及化学成分表
钢组
|
牌号
|
化学成分,%
|
|||||
C
|
Si
|
Mn
|
Mo
|
W
|
Cr
|
||
Cr
|
15 Cr
|
0.12~0.18
|
0.17~0.37
|
0.40~.070
|
-
|
-
|
0.70~1.00
|
|
15 CrA
|
0.12~0.17
|
0.17~0.37
|
0.40~0.70
|
-
|
-
|
0.70~1.00
|
|
20 Cr
|
0.18~0.24
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
0.70~1.00
|
|
30Cr
|
0.27~0.34
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
0.80~1.10
|
|
35 Cr
|
0.32~0.39
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
0.80~1.10
|
|
40Cr
|
0.37~0.44
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
0.80~1.10
|
|
45Cr
|
0.42~0.49
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
0.80~1.10
|
|
50Cr
|
0.47~0.54
|
0.17~0.37
|
0.50~.080
|
-
|
-
|
0.80~1.10
|
CrSi
|
38CrSi
|
0.35~0.43
|
1.00~1.30
|
0.30~0.60
|
-
|
-
|
1.30~1.60
|
|
12CrMo
|
0.08~0.15
|
0.17~.037
|
0.40~0.70
|
0.40~0.55
|
-
|
0.40~0.70
|
|
15CrMo
|
0.12~0.18
|
0.17~0.37
|
0.40~0.70
|
0.40~0.55
|
-
|
0.80~1.10
|
|
20CrMo
|
0.17~0.24
|
0.17~0.37
|
0.40~0.70
|
0.15~0.25
|
-
|
0.80~1.10
|
|
30CrMo
|
0.26~0.34
|
0.17~0.37
|
0.40~0.70
|
0.15~0.25
|
-
|
0.80~1.10
|
|
30CrMoA
|
0.26~0.33
|
0.17~0.37
|
0.40~0.70
|
0.15~0.25
|
-
|
0.80~1.10
|
CrMo
|
35CrMo
|
0.32~0.40
|
0.17~0.37
|
0.40~0.70
|
0.15~0.25
|
-
|
0.80~1.10
|
|
42CrMo
|
0.38~0.45
|
0.17~0.37
|
0.50~0.80
|
0.15~0.25
|
-
|
0.90~1.20
|