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Screw barrel with water-cooled jacket

Professional Bimetallic Screw Barrel & Plastic Machinery Parts Manufacturer

Specification

Diameterφ15mm-φ300mm Max.Length:≤10000mm

Size:100mm, L/D=36 Application: HDPE pipe extrusion screw barrel

Advantage: High capacity design Process:Nitriding barrel & bimetallic screw & plating

Water Jacket type: Split type Material:38CrMoAla

Package:PE bubble film & wooden case

The Technical specification:

Type	Code	HRC	Performance advantage	Alloy composition	Types of resin
Grade C iron-based alloy barrel Base Material: 50CrV / 40Cr	K1	HRC 58-62	Wear resistant	C, Mn, Si, B, Ni, Fe, Cr	General resin and general engineering resin. PP, PA, ABS, POM, PBT, PC with below 35% GF.
	K2	HRC 64-69	Highly wear resistant	C, Mn, Si, B, Ni, Fe, Mo, Cr	General resin and general engineering resin. PP,PA,LCP,PPS,PPA,POM,PBT,PC with below 40%GF.
Grade B nickel-based alloy barrel Base Material: 50CrV / S45MnSiV	K3 （Ni+25% WC）	HRC 55-60	Wear resistant,corrosion resistant	Cr, Si, B, Fe, Ni, C, W	General resin and general engineering resin. PP,PA,LCP,PPS,PPA,POM,PBT,PC with below 50%GF.
	K5 （Ni+40% WC）	HRC 58-62	Highly wear resistant, Highly corrosion resistant	Cr, Si, B, Fe, Ni, C, W	General resin and general engineering resin. PP,PA,LCP,PPS,PPA,POM,PBT,PC,PEEK with below 60%GF,as well as common halogen-free PA9T, PA10T etc.
Grade A Cobalt -based alloy barrel Base Material: S45MnSiV	K6 （Co+25% WC）	HRC 58-62	Superior wear resistant,superior corrosion resistant	Cr, Si, B, Co, C, Ni, Mo, W	General resin and general engineering resin. PP, PA, LCP, PPS, PPA, POM, PBT, PC, PEEK with below 60%GF,as well as halogen-free raw material.
Grade A Cobalt -based alloy barrel Base Material: S45MnSiV	K7	HRC 60-65	Superior wear resistant,superior corrosion resistant	W, Cr, Ni, Mo, B	Special high glass fiber superior halogen- free raw material. 4T, 6T, HTN, DSM, PSM and kinds of highly corrosive acidic plastic.