Grade 60Si2MnA
Corresponding Standard YB /T 5058-2005
Cold-rolled spring and tool steel strips
Classification Alloy Steel
Properties Elasticity Quench Hardness
Density 7.74 g/cm3
60Si2MnA Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value 0.56 1.6 0.6 - - - - -
Maximum Value 0.64 2 0.9 0.03 0.03 0.35 0.35 0.25
60Si2MnA Mechanical Properties
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
0.10~3.00, annealed steel strip ≤880 ≥10
0.10~3.00, cold hard steel strip 785~1175
1 Approximate Comparison Table
China Japan
GB JIS
60Si2Mn
60Si2MnA
SUP6
2 Approximate Comparison Table
China Japan United States Russia United Kingdom
GB ISC JIS ASTM GOST BS EN/BS
60Si2MnA A11603 SUP6 9260 60С2А 250A58
250A61
En45A
3 Approximate Comparison Table
China Japan Russia
GB JIS GOST
60Si2MnA SUP7 60СГА
60Si2MnA Corresponding Standards(Same grade name, different standards)

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