沈阳重型机器厂自产金属

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沈阳重型机器厂自产金属前言Foreword
1.主题内容与应用范围Scope...9 4.3 合金结构钢Alloy Structural Steels
2.引用标准Applicable Standards ......................................9 35SiMn..24
3.技术条件Specification .......................................................10 45SiMn.25
4.锻件用钢Steels for Forgings ..11 50Mn.26
4.1普通碳素结构钢Structural plain Carbon Steels 45Mn2...27
Q235A 11 50Mn228
Q235B12 35CrMo.29
4.2优质碳素结构钢Carbon Structural Fine Steels 40Cr..30
15 13 42CrMo，S42CrMo.31
20. S20.14 50Cr33
25.16 40Cr2MoV..34
30.17 40CrMnMo.35
35. S35.18 40CrNi.36
40.19 40CrNiMo37
45. S45.20 34Cr2Ni2Mo，S34 Cr2Ni2Mo.38
50.21 34CrNi3Mo..39
55.22 20Cr..40
S60...23 20CrMnMo...41