China Cold Forging Wire Rod 10b21 Screws Bolts Spheroidized Annealed Boron Steel Wire, Find details about China Steel Wire, Steel from Cold Forging Wire Rod 10b21 Screws Bolts Spheroidized Annealed 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 |