Tag: stainless screw

Product Description     Chemical composition Material C Si Mn P S Ni Cr Mo 420 0.26-0.35 ≤1.00 ≤1.25 ≤0.04 ≤0.03 ≤0.60 12.0-14.0 – 420C 0.36-0.43 ≤0.80 ≤0.80 ≤0.04 ≤0.03 ≤0.60 12.0-13.5 – 440 0.90-1.00 ≤0.80 ≤0.80 ≤0.04 ≤0.03 ≤0.60 16.0-18.0 0.4-0.7 440C 0.95-1.10 ≤0.80 ≤0.80 ≤0.04 ≤0.03 ≤0.60 16.0-18.0 0.4-0.7   FAQ 1. Can…