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Sumiden also produces superior soap coated wire if desired.
Advantages of Nickel Coating
- No Additional Lubricant Prior To Coiling
- The wire has excellent lubrication to minimize friction during the coiling process. No additional lubricant is required for high speed coiling or making intricate springs with D/d of 3.
- High Productivity And Low Cost
- The consistent and uniform lubrication helps provide stable spring dimensions and less load variations during coiling. Nickel coating allows you to produce springs of tight tolerance in an economical manner.
- No Preparative Treatment Prior To Heat Treatment
- The need of preparative treatments, such as pickling and degreasing, is eliminated prior to heat treatment. During heat treatment, no major color change can be expected even under the recommended high temperatures of 700F to 800F. Nickel coating allows you to save time, cost and trouble by reducing the number of manufacturing steps required.
- Durable And Consistent Finish
- The characteristics of nickel coating allow the springs to retain the same bright, consistent finish even after heat treatment. Nickel coated springs remain as highly immutable as stainless steel springs.
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