セグメントねじメーカー

Base Materials:

1)W6Mo5Cr4V2

2)38CrMoAlA(JIS SACM 645)

3)42CrMo(AISI 4140)

4)S45C

Bimetallic Alloy Materials:

1)Fe-based alloy

2)Ni-based alloy

3)Co-based alloy

4)Tungsten carbide

Processing Technology:

1)Heat treatment

2)Vacuum quenching
3)Nitriding treatment

4)Bimetallic alloy welding

Technical Parameter:

Nitrided layer depth:0.50-0.80mm

Nitrided hardness: 900-1100HV

Nitrided brittleness: Less than 2 level

Surface roughness: Ra 0.4

Linearity of screw: 0.015mm

Bimetallic layer depth: 2 mm

Bimetallic hardness: HRC50-65