SUP9A Spring Steel-JIS G4801 Alloy Structure Steel ...
SUP9A steel stockholders and suppliers from china. Otai Special Steel have more 16 years experience in jis SUP9A Spring Steel round bar, flat bar., rod bar, wire and plate supply. JIS SUP9A Steel is a high quality Cold work Spring Steel, It belong to the high quality high carbon alloy Spring Steel. Oil Quenched & Tempered Hardness is 28-34 HRc.
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