s275jr structural steel plate 2020 stock in Shanghai: 25*1600*9300, 23.1*2590*7790, 25*1600*9300, 25*1600*9500, 14*1950*10800, 25*1600*9500, 20*1400*11400, 30*1600*8600, 30*2000*10200, 14*1950*10950,
The effect of nitrogen on steel performance is similar to that of carbon and phosphorus. With the increase of s275jr high strength low alloy steel nitrogen content, the strength of steel can be improv
The difference between alloy steel plate and carbon steel has the following points. First, the hardenability of carbon steel is low, and the maximum diameter of water quenching of carbon steel is only
Preventive measures for s275jr mild steel plate price thick steel plate welding to prevent lamellar tearing, raw material control, requirements for Q345B steel S content≤0.04%, P content≤0.04%.I
According to its surface quality, pickling s355j2 price per kg sheet steel can be divided into I and N two groups; According to its cup protrusion depth can be divided into ordinary and deep two level
Ordinary carbon steel killed steel plate deoxidizes the liquid steel before making. When the liquid steel is poured into the ingot, its reaction is relatively calm and there is no boiling state. Advan
Medium plate s275j0 steel plate products size: 5.5*2250*11550, 5*2200*10100, 5*1500*4500, 6*1750*13000, 5*2700*12050, 5*2700*12050, 6*1800*5500, 6*1550*6000, 9*2000*6000, 5.5*2600*10100, 5*2500*11000,
The hot rolling method is to heat the s275j2 steel plate steel material to about 1000 ℃ ~ 1250 ℃ and use the rolling mill to roll it. The traditional hot rolling process is generally divided into th