Galvanized sheet metal chemical composition of hardox 400 from factory

EN10113 S275M is a technical delivery conditions for thermomechanical rolled weldable fine grain structural steels.S means the structural steel, M means the delivery condition.Capital letter L for the quality with specified minimum values of values of impact energy. chemical composition of HARDOX 400. The EN10113 S275M steel is equivalent to DIN StE285TM,UNI FeE275KGTM..

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The preparation of chemical composition of HARDOX 400 galvanized steel before welding is the same as that of ordinary low-carbon steel. It is necessary to carefully handle the groove size and nearby galvanized layer. In order to achieve penetration, the groove size shall be appropriate, generally 60 ~ 65 °, with a certain gap, generally 1.5 ~ 2.5mm; in order to reduce the penetration of zinc into the weld, the galvanized layer in the groove can be removed before welding. In the practical work, the centralized beveling, no blunt edge technology for chemical composition of HARDOX 400 centralized control, two-layer welding process, reducing the possibility of incomplete penetration.

Rolled sheet is a very common material in industrial construction. Rolled sheet at room temperature is cold-rolled sheet, and cold-rolled sheet is the rolling of hot-rolled coils below the recrystallization temperature. The hot-rolled sheet is rolled above the recrystallization temperature. So what is the difference between chemical composition of HARDOX 400, hot rolled sheet and cold rolled sheet?

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