Common corrosion types and causes of weather resistant Q355GNH steel

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Steel angle is used in wide range of industrial applications, including: Machinery and Equipment weather resistant Q355GNH steel Frames (Braces and Corners), Transportation Frames and Corners, general structural use in construction, support frames that require welding, riveting or bolting on bridges and buildings.

40Cr steel belongs to alloy structural steel. weather resistant Q355GNH steel, 40Cr steel has good comprehensive properties, low temperature impact toughness and low notch sensitivity after quenching and tempering on the basis of high-quality carbon structural steel No. 40. 40Cr steel mechanical properties: tensile strength: ≥ 980mpa, yield strength: ≥ 785MPa, elongation after fracture: ≥ 9%, elongation after fracture: ≥ 45%, impact absorption energy: ≥ 47J. 40Cr steel chemical composition: C: 0.37-0.44, Si: 0.17-0.37, Mn: 0.50-0.80, Cr: 0.80-1.10.

We can cut the large steel plates weather resistant Q355GNH steel by your requirements, but to the width and length your demand; we can make the surface of the cut steel plate to be bright by milling and grinding, also can make holes and make angle degrees, and can weld by your drawing. For the weather resistant Q355GNH steel product thickness under 30mm, we mainly cut by laser cutting; for thickness over 30mm, mainly OXY-cut, flame cutting. The processing plates conclude cutting the larger plate into the small sizes customer demand, cut by drawing, cut to special sizes, weld the cut parts by drawing.

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