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alibaba china 4340 steel

Product name:alibaba china 4340 steel
Application: Mainly used in petroleum, chemical, medical, food, light industry, mechanical instruments and other industrial pipelines and mechanical structural components.


4140T...is it necessary to make it a heat treating ...


Oct 03, 2011· Hi all!!! I´m trying to make a replacement of a power drill (see item on attached file). The last item broke it by torsion action, I´m thinking to make this new[XLS]

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· Web viewsheet3 sheet2 sheet1 wenzhou xinhe import&export co.,ltd 201001152208140 2010-11-25 0577-88351056 0577-88341112 325000 changhong plastic co.,ltd. 201011103274367

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