Conical twin barrel manufacturer from China manufacturer - Zhoushan Vanscrew Machinery Co.,Ltd.

Price:	4500.0~5000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: CT-65

Production Capacity: 300sets/month

Delivery Date: 30days

Hardness After Hardening &Tempering: HB240 -280

Nitrided Depth: 0.45-0.7mm

Surface Roughness: Ra0.4

Means of Transport: Ocean,Land

Packing: wooden case

Brand Name: Vanscrew

Nitrided Hardness: Hv850-1000

Nitrided Brittleness: ≤Grade 2

Screw straightness: 0.015mm

Quality twin-phase stainless
Quality satellite powder of surface spray
Cold alloys hot alloys

Bimetallic conical twin barrel
Various high quality alloy steels , According to different usage, the choose for alloy is different, some require for abrasion-resistant while some require for corrsion-resistant. For standard, we have Fe-based, Ni-based, W2C alloy,Tunsten alloy etc for choice.

Material

Alloy-Steel of High-quality

1)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