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Surface Treatment Of Aluminum And Aluminum Alloys. Many alloys respond to thermal treatment based on phase solubility. These treatments include solution heat treatment, quenching and precipitation, or age hardening.In order to improve surface properties of final products, such as wear resistance, corrosion resistance, reflectivity etc., different types of surface treatment were designed. bs355j2hb material-NSY Steel Supplierbs355j2hb material 1.0570 Material St52-3 Steel Equivalent, Properties St 52 material new designation is S355, St52-3 new name is S355J2 (1.0577), St52-3 U new designation is S355J0 (1.0553), and St52-3 N new name in EN 10025:1993 is S355J2G3, DIN 17100 has been replaced by EN 10025-2:2004.