how to screw into dry wall

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  • In white iron, its carbon and iron together into iron carbide, crack appears white, very strong and brittle quality, for the material of malleable steel. The alloy grade consists of various alloying elements with different compositions and structures. Because alloying elements in iron ore can make copper through the material thickening degree of strengthening, hardness, impact force, strength resistance, closing rate, elongation, so alloying iron in the exercise of high quality iron, is the primary supplementary element.

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  • Used for inner wall welding wire diameter is generally 0.4-ф0.9, mesh is generally 9.5-1.9.
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