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plastic injection screw and barrel

Diameter

Min.Order

1 set

Materials

38CrMoAIA

GH113

SKD61

Discount 

Available

Application

PE,PP,PS,HDPE,

LDPE,MDPE,LLDPE

Payment 

Term

T/T, L/C

Technical 

Process

1.Rough Machining

2.Quenching 

and Tempering

3.Finish Machining

4.Nitriding

5 Spraying and welding

with alloy power

6.Screw polishing

Technological 

Parameter 

Roughness

Ra 0.4um

Hardness of Quenching 

and Tempering

HB 240-280

Depth of Nitride Layer

0.5~0.8mm

Hardness of Nitride

HV 960-1060

Alignment of Screw

0.015mm

Packing 

Wood Case

Port Departure

Ningbo Port

Guarantee

plastic injection screw and barrel :more than 2 years