|Established in 1952||Page: 2205|
All of the above are common ways of describing the most widely used material for the manufacture of precision balls, It is a through hardening, fine grain, Martensitic steel. Because of its high hardness and fine grain structure, this material can be finished to an extremely fine quality.
Because this material has 1% carbon, it does not weld well. It can be resistance welded with difficulty. It can be soft soldered with a high tin solder using an acid flux. It can be silver soldered or brazed; but the heat will cause distortion of the ball and a loss of hardness. For light load applications, the ball can be attached with an adhesive such as epoxy. When adhesive bounding is used, an area on the ball should be roughed up by etching or abrasive blasting. The area should be thoroughly cleaned.
As of June, 2009, we have over 17,000 lots of chrome steel
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