Product Description:
Vacuum Fusion and Hardening Treatment for Exhaust Valve
Ensure the base metal fuse well with overlay
welding layer, eliminate defects such as pores, enclosed slag, loose, etc.
Hardening treatment changes the grain size of alloy-layer, from grad 6-7 to grade 10-12.
Hardness of alloy-layer is improved from below HRC50°to above HRC60°
Designed for the exhaust valves both for the heavy oil and light oil engines.
Copying Rolling for R Place and Bottom Surface on Exhaust Valve
Increase the surface roughness to Ra0.4
Improve the surface hardness from HV200-300 to HV400-450
Provide effective sealing and carbon deposition prevention
Enhance resistance to fretting wear and corrosion under temperature extreme
Base Material
Welded Material
SNCrW (Especial for MAN DuraSpindle)
Inconel718、Inconel625
NiMoNiC80A
Satellite6、Satellite12
23-8n
4Cr10Si2Mo
Company Contact:
Contact Name: Peter Guo
Company Name: Guangzhou Miracle Motor Vehicle Parts Co., Ltd
Email:
Tel: +86-20-36340310
Fax: +86-20-36340310
Street Address: Rm: 516, Jinlai
Building, No 799, Sanyuanli Road,
Guangzhou City, China 510403
Other Contact Info:
Skype: Bear_2008
Whatsapp: +8613533598629
Wechat & Whatsapp: +8613725348812
Email:
+8613533598629
+8613725348812
Weixin Public: Guangzhoumiracle
Website:
http://www.miracle-mvp.com
Member name: Gzmiracletradingcompany
Country:
China
Member Since: 30 July 2008
Total Leads:
120 Gzmiracletradingcompany Import Export Business Leads
Business focus: Auto Parts Marine Parts Construction Machinery Parts. For Mercedes Benz, Bmw, Peugeot, Renault, Toyota
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