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single screw

7500.0~8000.0 USD
Min. Order: 1 Set/Sets
Trade Term: FOB
Payment Terms: L/C, T/T
Supply Ability: 300sets/month
Place of Origin: Zhejiang

Company Profile

Location: Zhoushan, Zhejiang, China (Mainland)
Business Type: Manufacturer, Trading Company
Main Products: Screw Barrel, Extrude Single Screw, Parallel Twin Barrel

Product Detail

Means of Transport: Ocean
Brand Name: Vanscrew
Steel Material: 38CrMoALA,SKD61.,D2 etc.
Hardness after Hardening&Termpering: HB240-280
Nitriding Treatment: ≥ 96 hours
Surface Hardness: 58-64 HRC
Production Capacity: 300sets/month
Packing: woodern case
Delivery Date: 25days
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Product Description

Material:

Alloy-Steel of High-quality

38CrMoALA(JIS SACM645)

Heat-treatment

Nitriding treatment

Electroplated hard-chrome finish

High-frequency quenching

Spray coating Bimetallic-alloy

Vacuum quenching

Technical data

Hardness After Hardening &Tempering:

HB240 -280

Nitrided Hardness:

Hv850-1000

Nitrided Depth:

0.45-0.7mm

Nitrided Brittleness:

≤Grade 2

Surface Roughness:

Ra0.4

Screw straightness:

0.015mm

Surface Chromate-plating's Hardness After Nitrided:

≥900Hv

Chromate-plating Depth:

0.05-0.10mm

Bimetallic-alloy Hardness:

HRC56 -65

Alloy Depth:

0.8-2.0mm

Standards of single screw and cylinder of extruder machine:

Φ20mm~Φ300mm       

ratio of length to diameter L/D=15~55

single screw

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