Grade 60CrMnMo
China ISC A34603
Corresponding Standard GB /T 1222-2025
Spring Steels
Classification Spring Steel
60CrMnMo Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.56 0.17 0.7 - - 0.7 - - 0.25
Maximum Value 0.64 0.37 1 0.025 0.02 1 0.35 0.2 0.35
60CrMnMo Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Quenched in oil at 860±20°C and tempered at 450±50°C ≥1450 ReL
≥1300
≥6 ≥30
1 Approximate Comparison Table Spring Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France United Kingdom
GB ISC CNS JIS KS AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
55CrMnMoA A34603 SUP13 SUP13 SPS9 4160 G41600 60CrMo3-3 ≈51CrMoV4 1.7701 ≈51CDV4 705H60
2 Approximate Comparison Table Spring Steel 1
China Japan International Organization for Standardization European Standard
GB JIS ISO EN
60CrMnMo SUP13 60CrMo3-3 60CrMo3-3
60CrMnMo Corresponding Standards(Same grade name, different standards)

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