It generally refers to the carbon structural steel and medium carbon alloy steel.

它一般是指中碳结构钢和中碳合金结构钢。

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Up to now, the welding theory for high carbon alloy steel has not been well established.

迄今为止，高碳合金钢材料的焊接理论仍未完善。

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The intermedium temperature microstructure of medium carbon alloy steel is upper and lower bainite.

中碳合金钢的中温转变组织只有上、下贝氏体。

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In the materials group, Reliance Steel, one of the largest U.S. metals service centers, distributes a line of more than 100, 000 metal products, including carbon, alloy, stainless and specialty steel, aluminum, brass as well as copper products.

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Some kind of organic metallic alloy stronger than titanium or carbon steel, harder than diamonds.

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They are toughened with diamond-like carbon from the semiconductor industry and this is bonded on to the steel with niobium, a rare tin alloy normally used in superconducting magnets.

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