สกรูและกระบอกคู่คอนเซียล

Base Materials:

1)38CrMoAlA(SACM 645)

2)42CrMo(AISI 4140)

3)Cr12MoV(SKD11)

4)4Cr5MoSiV1(SKD61)

5)9Cr18MoV

6)40Cr

Bimetallic Alloy Materials:

1)Fe-based alloy

2)Ni-based alloy

3)Co-based alloy

4)Tungsten carbide

Bimetallic alloy level

Alloy powder including 50% Wolfram Carbon

Alloy powder including 25% Wolfram Carbon

Alloy powder including 9.5% Wolfram Carbon

Processing Technology:

Heat treatment

High-frequency quenching

Nitriding treatment

Hard-chrome electroplating

Bimetallic alloy welding

Bimetallic alloy centrifugal casting

Technical Parameter:

Hardness after hardening & tempering:HB280-320

Nitrided layer depth:0.50-0.80mm

Nitrided hardness: 950-1100HV

Nitrided brittleness: Less than 2 level

Surface roughness: Ra 0.4μm

Linearity of screw: 0.015mm/m

Hard-chrome plating hardness after nitriding: ≥950HV

Chrome-plating layer depth: 0.025~0.10mm

Bimetallic layer depth: ≥3mm

Bimetallic hardness: HRC62-72

Suitable Plastic Material:

1)General Plastics, PVC

2)Material compounds CACO3, glass fiber, recycle materials, stabilizer

3)ABS,TPR,TPU,PMMA,C-PVC,UPVC,RPVC,PET,EVA,PU etc

4)Scrap and waste plastic and PVC recycling

5)Modified engineering plastics

Terms and Conditions:

Payment : T/T, D/P, D/A, L/C, WESTERN UNION, Cash

Means of transport: Ocean,Air,Express

Packing: Wooden Case (Export standard)

Production time:About 35 days after we receive the advanced payment