China Cold Heading Wire 10b21 for Making Screws and Bolts Cold Drawn Boron Steel Wire, Find details about China Wire, Steel Wire from Cold Heading Wire 10b21 for Making Screws and Bolts Cold Drawn Boron 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 |