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Zhoushan Vanscrew Machinery Co.,Ltd.
Zhoushan Vanscrew Machinery Co.,Ltd.  

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bimetallical nitrated screw and barrel 

Price: 7500.0~8000.0 USD 
Payment Terms: T/T,L/C 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

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

Standards of single screw and cylinder of extruder machine:
20mm~300mm
ratio of length to diameter L/D=15~55

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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skype Mr. Kevin Wu
Manager
Tel: 86-580-8050095
Fax: 86-580-8050057
Mobile: 136 6658 3666
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Company Info

Zhoushan Vanscrew Machinery Co.,Ltd. [China (Mainland)]


Business Type:Manufacturer, Trading Company
City: Zhoushan
Province/State: Zhejiang
Country/Region: China (Mainland)

Wu:   skype
Lucia:   qq

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