ASTM Weathering Steel Plate

Specification of equivalent grades of a242 type 2

equivalent grades of A242 Type 2, Q420qENH steel plate is a kind of weathering steel plate for bridge. Weathering steel, i.e. atmospheric corrosion resistant steel, is between ordinary steel and stainless steel, and its weathering resistance is 2-8 times of ordinary steel. Q420qNH steel can be divided into three grades: D, E and F according to its quality grade. Q420qENH steel plate executive standard: GB / T 714.

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The large diameter cold drawn seamless steel pipe is a steel pipe with an outer diameter of more than 1000mm. The large diameter seamless steel pipe is made of steel ingot or solid billet through perforation and then hot rolling, cold rolling or cold drawing. If they are long, they need to remove the redundant parts, that is, cut them out. Their length equivalent grades of A242 Type 2 is suitable for the length required by the construction of steel pipes.

Z-direction steel refers to thick steel with good tensile resistance in thickness direction. In the application of steel plate, the reason for additional performance requirements on the thickness direction of steel is due to the existence of defects in the thickness direction of steel in the process of casting and rolling. This defect makes the steel prone to lamellar tearing during welding, which reduces or even loses the design bearing capacity of application. The Z-direction performance is required for equivalent grades of A242 Type 2 and so on steel plate with the tensile force along the plate thickness direction greater than or equal to 40mm.

Pre:2300 ton a242 type 2 steel freely supplied to Philippines

Nextastm a242 type 2 mechanical properties Widths Up to 150 inches

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