Phosphorus element (P element) is brought into steel by ore. Generally speaking, phosphorus is also harmful element. Although phosphorus can increase the strength and hardness of carbon steel sheet A36 etc. steel, it also causes the decrease of plasticity and impact toughness. Especially at low temperature, it makes steel significantly brittle, which is called "cold brittleness". The higher the phosphorus content is, the greater the cold brittleness is. Therefore, the phosphorus content in carbon steel sheet A36 etc. steel is strictly controlled.
Q550D Application: This steel is mainly used in steam turbines for main steam pipes with steam parameters up to 540℃, turning guide vane ring, steam turbine baffle, baffle outer ring, and various superheater tubes, ducts and pipes with tube wall temperature ≤570℃ The corresponding forgings.
The carbon steel sheet A36 prices in the dominant market today is mainly stable. Regarding the transaction situation, some carbon steel sheet A36 merchants reported that the current demand is poor, coupled with the shortage of resources in some areas, the overall transaction is not satisfied. For the market outlook, under the support of relatively high costs, high prices are supported, but the carbon steel sheet A36 price increase momentum is insufficient due to poor demand. On the whole, it is expected that the carbon steel sheet A36 market prices will remain consolidated tomorrow.
carbon steel sheet A36 5mm to 10mm stock size 5.5*2900*7400, 8*2400*6000, 9*2500*9500, 5*3000*5200, 6*2350*6300, 10*2000*6500, 8*2400*8000, 7*3000*6600, 6*2350*7400, 10*2150*5500, 8*2300*9000, 8*2400*8000, 6*2350*7200, 10*2550*10500, 8*2490*7200, 8*1800*10000, 10*2360*7700, 10*2490*8400, 9*2500*7400, 8*1800*8000, 10*2450*8000, 10*2100*11000, 10*2450*8000, 10*1650*9020.
