Carbon Steel Wire Rods for Cold Heading and Cold Forging

Carbon Steel Wire Rods for Cold Heading and Cold Forging

SPECIFICATION : JIS G 3507

Grade No Chemical Composition (%)
C Si Mn P S AL
SWRCH 8R 0.10 Max 0.60 Max 0.040 Max 0.040 Max
SWRCH 6A 0.08 Max 0.10 Max 0.030 Max 0.035 Max 0.020 Min
SWRCH 8A 0.10 Max
SWRCH 18A 0.15-0.20 0.60-0.90
SWRCH 22A 0.18-0.23 0.70-1.00
SWRCH 35K 0.32-0.38 0.10-0.35 0.60-0.90
SWRCH 38K 0.35-0.41
SWRCH 40K 0.37-0.43