Zhejiang Zhoushan Conical Twin Screw Barrel for PVC Pipe Sheet
Xinrong Brush IndustryBase Info
Description
PTA weldJ1 38CrMoAlA
Ni-base alloy 45-58 Excellent Special excellent 1.5~3mm Under 10% J2 SKD61
Ni-base alloy 45-58 Special excellent Excellent 1.5~3mm Under 15% Nitriding J3 Nitrided HV more than 800 Good Good 0.25mm /
Ni-base alloy
Ni-base alloy