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Molecular formula : MW : CAS :
nature : bridge steel bridge structure is to create special pieces of thick steel, use of specialized steel bridge construction using carbon steel and low alloy steel, steel, marked the end of q (Bridge) characters. Building bridges with a carbon steel for the bridge structure riveting A3q for welding and the bridge structure 3p; Bridge structure with a low-alloy steel 12Mnq, 12MnVq, 15MnVNq, 16Mnq so. The bridge plate thickness of 4.5 to 50 mm.
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