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Home Material JIS G 4801-2005
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Grade SUP9A
Corresponding Standard JIS G 4801-2005
Spring Steels
Brand/Supplier
Japan -> JFE Steel
-> POSCO
Classification Spring Steel
Properties Elasticity
SUP9A Chemical Element Composition Content (%)
Component C Si Mn P ① S ① Cr
Minimum Value 0.56 0.15 0.7 - - 0.7
Maximum Value 0.64 0.35 1 0.03 0.03 1
Approximate Comparison Table Spring Steel
China Taiwan, China Japan South Korea United States United Kingdom
GB ISC CNS JIS KS AISI UNS BS EN/BS
60CrMnA A22603 SUP9A SUP9A SPS5A 5160 G51600 527A60
SUP9A Corresponding Standards(Same grade name, different standards)
1 JIS G 4801-2005
SUP9A
2 JIS G 4801-1984
SUP9A

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