carbidge coating screw from China manufacturer - Zhoushan Vanscrew Machinery Co.,Ltd.

Product Detail

Model No.: SC-45C

Production Capacity: 300sets/Month

Delivery Date: 35days

Material: 38CrMoALA

Bimetallic material: 88Wc/12Co

Means of Transport: Ocean

Packing: woodern

Brand Name: Vanscrew

Heat-treatment: Nitriding

1.Professional design
2.High wear resistant, high temperature resistant, anti-corrosion
3.Special for PC material

Materil:1)high-quallity 38CrMoALA

Heat-treatment:

1\Nitriding treatment

2\Electroplated hard-chrome finish

3\High-frequency quenching

4\Spray coating Bimetallic-alloy

5\Vacuum quenching

Technical specification

Hardness After Hardening &Tempering:	HB240 -280
Nitrided Hardness:	Hv850-1000
Nitrided Depth:	0.45-0.7mm
Nitrided Brittleness:	≤Grade 2
Surface Roughness:	Ra0.4
Screw straightness:	0.015mm
Surface Chromate-plating's Hardness After Nitrided:	≥900Hv
Chromate-plating Depth:	0.05-0.10mm
Bimetallic-alloy Hardness:	HRC56 -65
Alloy Depth:	0.8-2.0mm

Application and excellent

Processing application:	Injection molding machines , extrusion machine , bakelite machine
Processing range:	Φ18-Φ300
Maximum length:	5000mm
Alloy composition:	WC88Wc/12Co	Grade A:The content of 40%
		Grade B:The content of 25%
		Grade C:The content of 9.5%
Alloy thickness:	2-4mm
Application of the plastic range:	All kinds of glass fiber,the PPA ,PPS ,PA6T ,LCP,electric wood powder,magnetic powder,iron powder and other special engineering plastics