hard chrome plated rods

20MnV6 Chân thép chính xác chống ăn mòn với độ bền cao

20MnV6 Precision Steel Shaft Anti Corrosion With High strength Detailed Product Description 1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr 2. Tensile strength: Not less than 610 N/MM2 3. Yield strength: Not less than 355 N/MM2 4. Advanced inspection apparatus 5. Application: Mining machinery industry, textile / printing industry and so on Detailed Description 1.CHEMICAL COMPOSITION Material C% Mn% Si% S% P% V% Cr% Ck45 0.42-0.50 0.50-0.80 0.04 0.035 0.035 ST52 0.22 1.6 0.55 0