Reliable Supplier Carbon Steel Export to Wellington
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Reliable Supplier Carbon Steel Export to Wellington, The product will supply to all over the world, such as: , , ,
Branded drill bits are made from High Speed Steel.
High Speed Steel is a high carbon tool steel, containing a large dose of tungsten. A typical HSS composition is: 18% tungsten, 4% Chromium, 1% Vanadium, 0.7% carbon and the rest, Iron. HSS tools have a harness of 62-64 Rc. The addition of 5 to 8% cobalt to HSS imparts higher strength and wear resistance.
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