An object of the present invention is to provide a Ni-Cr-Co alloy surface treatment composition for reducing friction between a surface of a Ni-Cr-Co alloy and a die surface during a drawing process. According to the present invention, oxalic acid (C 2 H 2 O 4 ); sodium nitrate (NaNO 3 ); sodium thiosulfate (Na 2 S 2 O 3 ); zinc nitrate hexahydrate (Zn(NO 3 ) 2 .6H 2 O); and cobalt(II) sulfate heptahydrate (CoSO 4 ·7H 2 O). A surface treatment composition for a Ni-Cr-Co alloy is provided.
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机译：本发明的一个目的是提供一种Ni-Cr-Co合金表面处理组合物，用于在拉伸过程中减少Ni-Cr-Co合金的表面和模具表面之间的摩擦。 根据本发明，草酸（C 2 H 2 O 4）; 硝酸钠（纳米3）; 硫代硫酸钠（Na 2 S 2 O 3）; 硝酸锌六水合物（Zn（NO 3）2 .6H 2 O）; 和钴（II）硫酸盐七水合物（COSO 4·7H 2 O）。 提供了Ni-Cr-Co合金的表面处理组合物。
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