China Saip Annelaed 10b30 Phosphate Coated Cold Forging Class 8.8 Screw Bolts Boron Carbon Steel Wire, Find details about China Auto Parts, SAE10b30 from Saip Annelaed 10b30 Phosphate Coated Cold Forging Class 8.8 Screw Bolts Boron Carbon Steel Wire
Grade | Chemical Composition(%) | ||||||||||
C | Si | Mn | P | S | Al | Ti | B | Cr | Mo | V | |
10B30 | 0.28~0.34 | 0.15~0.35 | 0.70~1.00 | ≤0.030 | ≤0.035 | - | ≥0.0005 |