wire drawing ring/parts with tungsten coated
Negotiable /Piece
Min.Order:1 Piece
Dongguan Zhangli Machine Fittings Co., Ltd.
Material: Chrome oxide rod
Thickness of Coating:0.4mm single side after grinding.
Craft :Rod flame spraying
Hardness of coating : Hv 1300 (HRC 65 ° above )
Surface porosity :< 1%
Surface bonding strength : > 89-90 Mpa