Tungsten Carbide Ball Parameters II

For some instances, Y-10 G10+5 JB/T 9145-1999. It means that the material is tungsten carbide, the nominal diameter is 10mm, the tolerance class is 10, the deviation of the tungsten carbide ball batch diameter is +5μm and it is in accordance with the standard of JB/T 9145-1999.

 Another Y24 G40 b JB/T 9145-2010, which means that the material is tungsten carbide, the nominal diameter is 24mm, the tolerance class is 40, it does not supplied by the variation of the batch diameter and it is in accordance with the standard of JB/T 9145-2010. In addition, the method of symbol is supposed to be marked on the order form, certification, packing of tungsten carbide ball and other needs symbol. It should be recorded in order, and there is a space between each term.
















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