SWRS77B
Alloy SteelJIS G 3561 hard-drawn high-carbon steel wire for springs; grades A (low Mn) and B (higher Mn) for various spring duties.
Mechanical Properties
Tensile 1100-2000 MPa (increases with diameter and grade; hard-drawn high-carbon wire)
Chinese Standard
JIS G 3561-1994
Applications
Springs, suspension springs, valve springs, mechanical springs
Available Forms
Wire, rod
Uses
Cold-coiled springs, mattress springs, mechanical springs
Heat Treatment
SWRS: hard-drawn (cold-drawn) from high-carbon wire rod; SUP: patented + oil-tempered (quench/temper)
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