Please check the Comparsion Table of Alloy Structural Steel:
| 钢号 | 中国 | 前苏联 | 美国 | 英国 | 日本 | 法国 | 德国 |
| GB | ГОСТ | ASTM | BS | JIS | NF | DIN | |
| 20Mn2 | 20Г2 | 1320,1321 | 150M19 | SMn420 | 20Mn5 | ||
| 30Mn2 | 30Г2 | 1330 | 150M28 | SMn433H | 32M5 | 30Mn5 | |
| 合 | 35Mn2 | 35Г2 | 1335 | 150M36 | SMn438(H) | 35M5 | 36Mn5 |
| 40Mn2 | 40Г2 | 1340 | SMn443 | 40M5 | |||
| 45Mn2 | 45Г2 | 1345 | SMn443 | 46Mn7 | |||
| 金 | 50Mn2 | 50Г2 | ~55M5 | ||||
| 20MnV | 20MnV6 | ||||||
| 35SiMn | 35CГ | En46 | 37MnSi5 | ||||
| 结 | 42SiMn | 35CГ | En46 | 46MnSi4 | |||
| 40B | TS14B35 | ||||||
| 45B | 50B46H | ||||||
| 构 | 40MnB | 50B40 | |||||
| 45MnB | 50B44 | ||||||
| 15Cr | 15X | 5115 | 523M15 | SCr415(H) | 12C3 | 15Cr3 | |
| 钢 | 20Cr | 20X | 5120 | 527A19 | SCr420H | 18C3 | 20Cr4 |
| 30Cr | 30X | 5130 | 530A30 | SCr430 | 28Cr4 | ||
| 35Cr | 35X | 5132 | 530A36 | SCr430(H) | 32C4 | 34Cr4 | |
| 40Cr | 40X | 5140 | 520M40 | SCr440 | 42C4 | 41Cr4 | |
| 45Cr | 45X | 5145,5147 | 534A99 | SCr445 | 45C4 | ||
| 38CrSi | 38XC | ||||||
| 12CrMo | 12XM | 620CR.B | 12CD4 | 13CrMo44 | |||
| 15CrMo | 15XM | A-387Cr . B | 1653 | STC42 | 12CD4 | 16CrMo44 | |
| STT42 | |||||||
| STB42 |
Guokun Casting, of Baoding Hebei is an ISO 9001-2008 registered iron and steel foundry & supplier of high quality carbon steel, alloy steel, stainless steel, wear resistant steel castings, gray iron casting, ductile iron casting, protype castings and machhined castings used in Power, Mining, Transporation, Agricultural, Automobile, bus and truck parts,valves, oil & Gas steel castings, Pipe Fittings and Gear Industry.
With a montly capacity of 10,000kgs and with more than 15 years of experience ensure the short delivery and the highest valued iron & steel casting parts.
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