40Mn2 use
Alloy Steel 40Mn2 Item: Alloy Steel 40Mn2 Standard: GB/T 3077——2008 Equivalent grades: GB/T 3077——2008: 40Mn2 AISI/ASTM: 4130 EUROPEAN: 25CrMo4 JIS: SCM420 Introduction: 40Mn2 alloy steel is widely used for making components of small cross section, requiring certain strength and good tough......