| 
 鋼組  | 
 序 
號  | 
 統(tǒng)一數(shù) 
字代號  | 
 牌 號  | 
 化學成分(質(zhì)量分數(shù))(%)  | ||||||||
| 
 C  | 
 Si  | 
 Mn  | 
 Cr  | 
 Mo  | 
 Ni  | 
 B  | 
 V  | 
 其他  | ||||
| 
 Mn  | 
 l  | 
 A00202  | 
 20Mn2  | 
 0.17-0.24  | 
 0.17-0.37  | 
 1.40-1.80  | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 2  | 
 A00302  | 
 30Mn2  | 
 0.27-0.34  | 
 0.17-0.37  | 
 1.40-1.80  | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 3  | 
 A00352  | 
 35Mn2  | 
 0.32-0.39  | 
 0.17-0.37  | 
 1.40-1.80  | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 4  | 
 A00402  | 
 40Mn2  | 
 0.37-0.44  | 
 0.17-0.37  | 
 1.40-1.80  | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 5  | 
 A00452  | 
 45Mn2  | 
 0.42-0.49  | 
 0.17-0.37  | 
 1.40-1.80  | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 Mn  | 
 6  | 
 A00502  | 
 50Mn2  | 
 0.47-0.55  | 
 0.17-0.37  | 
 1.40-1.80  | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 MnV  | 
 7  | 
 A01202  | 
 20MnV  | 
 0.17-0.24  | 
 0.17-0.37  | 
 1.30-.60  | 
 | 
 | 
 | 
 | 
 0.07-0.12  | 
 | 
| 
 siMn  | 
 8  | 
 A10272  | 
 27siMn  | 
 0.24-0.32  | 
 1.10-1.40  | 
 1.10-1.40  | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 9  | 
 A10352  | 
 35siMn  | 
 0.32-0.40  | 
 1.10-1.40  | 
 1.10-1.40  | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 10  | 
 A10422  | 
 42siMn  | 
 0.39-0.45  | 
 1.10-1.40  | 
 1.10-1.40  | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 SiMn- 
MoV  | 
 ll  | 
 A14202  | 
 20SiMn2MoV  | 
 0.17-0.23  | 
 0.90-1.20  | 
 2.20-2.60  | 
 | 
 0.30-0.40  | 
 | 
 | 
 0.05-0.12  | 
 | 
| 
 12  | 
 A14262  | 
 25SiMn2MoV  | 
 0.22-0.28  | 
 0.90-1.20  | 
 2.20-2.60  | 
 | 
 0.30-0.40  | 
 | 
 | 
 0.05-0.12  | 
 | |
| 
 13  | 
 A14372  | 
 37SiMn2MoV  | 
 0.33-0.39  | 
 0.60-0.90  | 
 1.60-1.90  | 
 | 
 0.40-0.50  | 
 | 
 | 
 0.05-0.12  | 
 | |
| 
 B  | 
 14  | 
 A70402  | 
 40B  | 
 0.37-0.44  | 
 0.17-0.31  | 
 0.60-0.90  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 | 
 | 
| 
 15  | 
 A70452  | 
 45B  | 
 0.42-0.49  | 
 0.17-0.37  | 
 0.60-0.90  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 | 
 | |
| 
 16  | 
 A70602  | 
 50B  | 
 0.47-0.55  | 
 0.17-0.37  | 
 0.60-0.90  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 | 
 | |
| 
 MnB  | 
 17  | 
 A71402  | 
 40MnB  | 
 0.37-0.44  | 
 0.17-0.37  | 
 1.10-1.40  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 | 
 | 
| 
 18  | 
 A71452  | 
 45MnB  | 
 0.42-0.49  | 
 0.17-0.37  | 
 1.10-1.40  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 | 
 | |
| 
 Mn 
MoB  | 
 19  | 
 A72202  | 
 20MnMoB  | 
 0.16-0.22  | 
 0.17-0.37  | 
 0.90-1.20  | 
 | 
 0.20 -0.30  | 
 | 
 0.0005-0.0035  | 
 | 
 | 
| 
 MnVB  | 
 20  | 
 A73152  | 
 15MnVB  | 
 0.12-0.18  | 
 0.17-0.37  | 
 1.20-1.60  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 0.07-0.12  | 
 | 
| 
 21  | 
 A73202  | 
 20MnVB  | 
 0.17-0.23  | 
 0.17-0.37  | 
 1.20-1.60  | 
 | 
 | 
 | 
 0.005-0.0035  | 
 0.07-0.12  | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 鋼組  | 
 序 
號  | 
 統(tǒng)一數(shù) 
字代號  | 
 牌  號  | 
 化學成分(質(zhì)量分數(shù))(%)  | ||||||||
| 
 C  | 
 Si  | 
 Mn  | 
 Cr  | 
 Mo  | 
 Ni  | 
 B  | 
 V  | 
 其他  | ||||
| 
 | 
 22  | 
 A73402  | 
 40MnVB  | 
 0.37-0.44  | 
 0.17-0.37  | 
 1.10-1.40  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 0.05-0.10  | 
 | 
| 
 MnTiB  | 
 23  | 
 A74202  | 
 20MnTiB  | 
 0.17-0.24  | 
 0.17-0.37  | 
 1.30-1.60  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 | 
 Ti0.04-0.10  | 
| 
 24  | 
 A74252  | 
 25MnTiBRE  | 
 0.22-0.28  | 
 0.2Q-0.45  | 
 1.30-1.60  | 
 | 
 | 
 | 
 0.0005-0.0035  | 
 | 
 Ti0.04-0.10  | |
| 
 Cr  | 
 25  | 
 A20152  | 
 15Cr  | 
 0.12-0.18  | 
 0.17-0.37  | 
 0.40-0.70  | 
 0.70-1.00  | 
 | 
 | 
 | 
 | 
 | 
| 
 26  | 
 A20153  | 
 15CrA  | 
 0.12-0.17  | 
 0.17-0.37  | 
 0.40-0.70  | 
 0.70-1.00  | 
 | 
 | 
 | 
 | 
 | |
| 
 27  | 
 A20202  | 
 20Cr  | 
 0.18-0.24  | 
 0.17-0.37  | 
 0.50-0.80  | 
 0.70-1.00  | 
 | 
 | 
 | 
 | 
 | |
| 
 28  | 
 A20302  | 
 30Cr  | 
 0.27-0.34  | 
 0.17-0.37  | 
 0.50-0.80  | 
 0.80-1.10  | 
 | 
 | 
 | 
 | 
 | |
| 
 Cr  | 
 29  | 
 | 
 35Cr  | 
 0.32-0.39  | 
 0.17-0.37  | 
 0.50-0.80  | 
 0.80-1.10  | 
 | 
 | 
 | 
 | 
 | 
| 
 30  | 
 A20402  | 
 40Cr  | 
 0.37-0.44  | 
 0.17-0.37  | 
 0.50-0.80  | 
 0.80-1.10  | 
 | 
 | 
 | 
 | 
 | |