Specification：

Diameter：Φ60-Φ250mm

Length/Diameter Ratio L/D=18-36.　　

Material：

1)38 CrMoA1A(JIS SACM645)high-quality alloy　　　

2)42 CrMo(AISI 4140)

3)9Cr18MoV
Processing technology :Heat Thermal treatment,Nitriding treatment,Hard chrome plating,Spray bimetallic layer

Application scope:：

Widely used in PVC processing wood plastic processing and other fields, the other can be to map or sample processing, the company provides professional mapping services.