What is the purpose of decarbonization of EN 10025-6 S690QL1 high strength steel

EN 10025-6 S690QL1 high strength steel annealing is to heat the steel to 30 ~ 50℃ above the critical temperature, keep it in the heat treatment furnace for a period of time, and then cool it down to room temperature with the furnace. The purpose of EN 10025-6 S690QL1 high strength steel annealing is to refine the grain of steel, eliminate internal stress and reduce hardness, improve cutting performance, increase toughness and plasticity, and facilitate welding and rolling processes. EN 10025-6 S690QL1 high strength steel annealing can be complete annealing, incomplete annealing, stress relief annealing, isothermal annealing and spheroidizing annealing.

BBNsteel prime quality thick plate EN 10025-6 S690QL1 high strength steel product stock: 31*1640*6150, 34*1460*4550, 34*2420*7300, 26*2800*5300, 32.5*3050*7000, 32*1600*4000, 36*1300*4500, 35*1300*4100, 26*2990*6000, 37*1600*8600, 32*2650*5500, 33*2550*6000, 34*2120*6100, 36*1500*6000, 45*1300*4000, 32*3300*6000, 40*1590*8000, 33*1750*6000, 33*1750*6000, 50*1800*6000, 65*2000*6000.

Fake and inferior steel plates are easy to scratch because of the simple equipment of the manufacturers of fake and inferior materials, which are easy to produce burrs and scratch the surface of the steel plate. Deep scratches reduce the strength of the EN 10025-6 S690QL1 high strength steel, steel plate. The surface of the fake and inferior material is prone to cracks, because its billet is adobe, which has many pores. The adobe is subjected to thermal stress during the cooling process, and cracks are generated, and there will be cracks after rolling.

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