EN 10025-6 high strength steel S690QL+QT equivalent grades in the steel industry

Oxygen is a harmful element in EN 10025-6 high strength steel S690QL+QT steel. With the increase of oxygen content, the strength of EN 10025-6 high strength steel S690QL+QT steel increased, but the plasticity, especially the toughness, decreased significantly, and the weldability became worse. The presence of oxygen causes hot brittleness of EN 10025-6 high strength steel S690QL+QT steel.

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SPHC-The first S is the abbreviation of Steel, P is the abbreviation of Plate, H is the abbreviation of Hot Heat, and C is the abbreviation of Commercial Commercial, which means generally hot-rolled steel plate and steel strip. SPHD - It tands for hot-rolled steel sheets and strips for stamping. SPHE - It stands for hot-rolled steel sheets and strips for deep drawing. SPCC- It means that cold-rolled carbon steel sheets and strips are generally used, which is equivalent to China's Q195~Q21 grades. The third letter C is the abbreviation for Cold.

BBN steel EN 10025-6 high strength steel S690QL+QT 15mm to 35mm thick size: 15*2120*5620, 17.5*2320*13000, 18*2450*5500, 20*3000*5000, 19*2580*4700, 19.5*1970*4000, 20*1600*7740, 20.5*2370*7000, 21*2650*7500, 21*1920*8220, 22*1380*7650, 22*1800*8000, 22.5*1680*8450, 23*3000*11980, 23.5*2080*8100, 24*1560*6200, 25.5*2330*8300, 26*3010*8100, 26.5*2000*7000, 27*2550*6800, 27.5*2700*5500, 29*2550*9000, 29*2870*12000, 32*3300*6000, 33*2340*6700, 34*2120*6100, 35*1300*4100.