Products Description: for Steam Turbine-Gear Unit Cold Drawn Seamless Alloy Steel Tubes AISI8620 Quick Detail: Chemical Compositions: Steel Grade C Si Mn Cr Ni Mo P S Ti 20CrNiMo 0.17-0.23 0.17-0.37 0.60-0.95 0.40-0.70 0.35-0.75 0.20-0.30 ≤0.035 ≤0.035 - AISI8620 0.18-0.23 0.15-0.35 0.70-0.90 0.40-0...