China Oil Tempered Spring Steel Wire, Find details about China Steel Wire, Sup12v from Oil Tempered Spring Steel Wire
C | Si | Mn | S | P | Cr | Ni | Cu |
0.56~0.64 |
1.50~2.00 |
0.60~0.90 |
≤0.035 |
≤0.035 |
≤0.35 | ≤0.35 |
≤0.25 |