Nickel Coating Protects Steel and Aluminum

Diamond E.N. from Bales Metal Surface Solutions is an electroless nickel coating with nano-sized diamond particles that offers a balance of corrosion and wear resistance, plus lubricity.

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Diamond E.N. from Bales Metal Surface Solutions is an electroless nickel coating with nano-sized diamond particles that offers a balance of corrosion and wear resistance, plus lubricity. It is suitable for steel and aluminum tools, unlike standard hard chrome, which is difficult to plate onto aluminum, the company says.

While standard electroless nickel offers a Taber wear index number in the 5-18 range, this coating boasts better wear protection in the 4-6 range. It starts with a Rockwell hardness of 57 HRC and reaches 70 HRC after heat treating, with a coefficient of friction of 0.10 or less. And because it is an electroless nickel coating, it delivers complete and even coverage, getting down into deep ribs with no buildup on the edges, the company says.

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