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Grade SUP11A
Corresponding Standard JIS G 4801-2005
Spring Steels
Brand/Supplier
-> POSCO
Classification Spring Steel
SUP11A Chemical Element Composition Content (%)
Component C Si Mn P ① S ① Cr Cu B
Minimum Value 0.56 0.15 0.7 - - 0.7 - 0.0005
Maximum Value 0.64 0.35 1 0.03 0.03 1 0.3 -
1 Approximate Comparison Table Spring Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany Russia
GB ISC CNS JIS KS AISI UNS ISO DIN EN/DIN GOST
60CrMnBA A22613 SUP11A SUP11A SPS7 51B60 G51601 60Cr1 58CrMnB4 55ХГР
2 Approximate Comparison Table Spring Steel 1
China Japan Germany Russia
GB JIS DIN EN/DIN W-Nr. GOST
60CrMnBA SUP11A 52MnCrB3 1.7138 55ХГР
SUP11A Corresponding Standards(Same grade name, different standards)
1 JIS G 4801-2005
SUP11A
2 JIS G 4801-1984
SUP11A

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