screw barrel for pvc extrusion Screw Straightness 0.015mm from China manufacturer

screw barrel for pvc extrusion Screw Straightness 0.015mm

Price:	1000.0~10000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: 69

Production Capacity: 500 sets per month

Delivery Date: 25 days

steel material: 38CrMoALA ,SACM645,SKD61

Screw Straightness 0.015mm: Nitrided Layer Thickness 0....

Means of Transport: Ocean,Air

Packing: wooden case

Brand Name: WEIDA

Nitrided Steel 42CrMo,38CrMoALA,etc: Nitriding Treatment Time ≥ ...

long life for using,
the length is long

Specification of screw barrel:
For screw: Dia. 15-300 mm Length 300-9000 mm L/D ratio: 15-50

Technical Index

Steel Material	38CrMoALA,SKD61,SKD11,D2 etc.
Hardness after Hardening & Tempering	HB240-280
Nitriding Treatment Time	≥ 96 hours
Nitrided Layer Hardness	950-1020Hv
Nitrided Layer Thickness	0.5-0.8mm
Surface Roughness	Ra0.4um
Surface Hardness	58-64 HRC
Screw Straightness	0.015mm
Chromium-Plated Surface Hardness After Nitriding	≥ 900HB
Chromium-Plating Layer Thickness	0.05-0.10mm
Bimetallic Layer Hardness	50-65HRC
Depth Of Alloy Layer	0.8-2.0mm

Grade List

Grade	Steel Material	Processing
Standard Grade	38CrMoALA	Nitriding 96 Hours
Bimetallic Grade	38CrMoALA	HP/HVOF Spraying
TC-A Grade	Tungsten Carbide40%	Centrifugal Casting
TC-B Grade	Tungsten Carbide25%	Centrifugal Casting
TC-C Grade	Tungsten Carbide10%	Centrifugal Casting

Material Available

Nitrided Steel	42CrMo,38CrMoALA,etc.
Cool Work Steel	D2,SKD61,9Cr18MoV etc.
Heat Resistant Steel	SKH51, GH113 etc.

Working Process :

Raw Material → Quenching & Tempering → Rough Machining → Semi finish Machining → Finish Machining → Nitriding Treatment → Bimetallic Casting → Inspection → Finish Products

1.rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.

2.high-quality products----We adopt a series of advanced production and processing equipments such as CNC machines , Stellite PTA welding machines to ensure the quality of our products

screw for extrusion line