Grade 60Si2Mn
China ISC A11603
Corresponding Standard GB /T 1222-2016
Spring steels
Classification Spring Steel
Properties Elasticity
60Si2Mn Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu *
Minimum Value 0.56 1.5 0.7 - - - - -
Maximum Value 0.64 2 1 0.025 0.02 0.35 0.35 0.25
60Si2Mn Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Quenching and Tempering ≥1570 ≥1375 ≥5 ≥20 -
Hot Rolled (WHR) - - - - ≤321
1 Approximate Comparison Table
China Taiwan, China Japan South Korea International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
60Si2Mn A11602 SUP6 SUP6 SPS3 61SiCr7 60Si7 1.0909 60Si7 60С2 60Si7
2 Approximate Comparison Table
China Japan
GB JIS
60Si2Mn
60Si2MnA
SUP6
3 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
4 Approximate Comparison Table
China Japan United States Germany Russia United Kingdom
GB JIS ASTM W-Nr. L-Nr. GOST BS EN/BS
60Si2Mn SUP6 9260 60SiMn5 1.0908 60СГА 250A58
60Si2Mn Corresponding Standards(Same grade name, different standards)

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