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Material
SUP9
Standard
JIS G 4801-2005
Spring steels
Standard
JIS G 4801-1984
Spring steels
Standard
Q/BQB 516-2019
Spring steel wire rod
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
JIS G 4801-2005
Spring steels
SUP9
Min
Max
Q/BQB 516-2019
Spring steel wire rod
55Cr3
(
SUP9
)
Min
Max
JIS G 4801-1984
Spring steels
SUP9
Min
Max
For Reference Only
