Specifications

We have a 17 year plus record in this industry from which we have built up significant data, soundly based on experience and res

 

Screws Barrels for Single-screw Extruders

Screw & Barrel Ranges for Single Screw Extruder:

Screw Diameter:	15mm -300mm
Screw Length:	L/D ratio 15 - 46

Screw Technical Specifications:

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Heat Treatment	Nitride depth: 0.5 mm - 0.7 mm
Surface hardness:	HV900 - HV1,000
Chromate plating:	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment:	Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

We supplies inexpensive new screws and barrels in alternatives for refurbished ones, with satisfactory quality and cost saving for your production need.

look forward to your visiting ang cooperating!