China Cold Drawn 10b21 Phosphate Coated Fastener Carbon Boron Cold Forging Steel Wire, Find details about China Screw Wire, Bolt Wire from Cold Drawn 10b21 Phosphate Coated Fastener Carbon Boron Cold Forging Steel Wire
Grade | Chemical Composition(%) | ||||||||||
C | Si | Mn | P | S | Al | Ti | B | Cr | Mo | V | |
10B21 | 0.18~0.23 | ≤0.10 | 0.70~1.00 | ≤0.030 | ≤0.035 | - | ≥0.0005 |