17CrNiMo6 / 18CrNiMo7-6 Gear Box Forged+Normalizing+Rough machining UT test standard: SEP 1921-3 C/C

Material: 17CrNiMo6 (18CrNiMo 7-6)

Chemical Composition:

C: 0.15~0.21  Si: ≤0.40     Mn: 0.50~0.90      Cr: 1.50~1.80

Mo: 0.25~0.35  Ni:1.40~1.70   S,P:≤0.035

Forged+Normalizing+Rough machining

UT test standard: SEP 1921-3 C/C

gear box 17CrNiMo6