Product
single screw and barrel for extruder |
Material |
38 CrMoAlA(JIS SACM645);Â 42 CrMo(AISI 4140) Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61) |
Nitrided Hardness |
HV900°~1000° |
Hardness after hardening and tempering |
HB260 ° |
Nitrided Depth |
0.5~0.7mm |
Nitrided Brittleness |
above 2 stage |
Surface Roughness |
Ra0.4 |
Screw straightness |
0.015mm |
Hardess of surface chromium-plating after Nitriding |
HV≥950HV |
Chromium plating Depth |
0.05~0.10mm |
Alloy Depth |
0.8~3.0mm |
Alloy hardness |
HRC56°~65° |
Alloy(bimetallic) |
iron,nickel,tungsten,molybdenum |
Types of screw barrel |
Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.
 |
Product Disply
Equipment DIsply
Processing

Packing&Delivery


Â
Product
single screw and barrel for extruder |
Material |
38 CrMoAlA(JIS SACM645);Â 42 CrMo(AISI 4140) Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61) |
Nitrided Hardness |
HV900°~1000° |
Hardness after hardening and tempering |
HB260 ° |
Nitrided Depth |
0.5~0.7mm |
Nitrided Brittleness |
above 2 stage |
Surface Roughness |
Ra0.4 |
Screw straightness |
0.015mm |
Hardess of surface chromium-plating after Nitriding |
HV≥950HV |
Chromium plating Depth |
0.05~0.10mm |
Alloy Depth |
0.8~3.0mm |
Alloy hardness |
HRC56°~65° |
Alloy(bimetallic) |
iron,nickel,tungsten,molybdenum |
Types of screw barrel |
Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.
 |
Product Disply
Equipment DIsply
Processing

Packing&Delivery


Â
Special Cover
We have a wide range of products under this category. In addition to car products, we also have boat covers.
And we have all kinds of special cover you need, and the color and material are various, of course you can also customize, we can meet all your requirements.
We have a wide range of products under this category. In addition to car products, we also have boat covers.
And we have all kinds of special cover you need, and the color and material are various, of course you can also customize, we can meet all your requirements.
best seat covers for silver car,boss nextone special cover,cover letter special issue,nobody special cover
Ningbo Autrends International Trade Co.,Ltd. , https://www.nbmotorcyclecover.com