Whether p355gh steel application need preheating
EN-BOILER Steel provides high-quality boiler steel to many natural gas.
Oil and petrochemical companies and is well-known worldwide.
Whether p355gh steel application need preheating
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Heat treatment process: heat treatment refers to a kind of process operation in which the metal or alloy can change the internal structure through certain heating, heat preservation and cooling methods in the solid range to obtain the required performance. P355GH steel application Heat treatment process refers to the ability to change the microstructure and properties of p355gh steel application after heat treatment, including hardenability, hardenability, temper brittleness, etc.
p355gh steel application 2020 spot size: 16*1800*6000, 15*2500*10000, 25*2400*8200, 50, 25*2400*8200, 16*2000*10713, 25*2400*8200, 16*2270*11900, 15*2500*10000, 25*2400*8200, 28*2170*13000, 130*2200*7700, 100*1770*6650, 88*3440*9200, 12*2200*8000, 8*2200*5730, 16*2320*10000, 30*2400*9680 12*2200*8000, 16*1800*6000, 50*1820*10700, 130*2200*7700.
The sulfur element (S element) comes from the ore and fuel coke of steelmaking. It is a harmful element in p355gh steel application etc. steel. Sulfur exists in steel in the form of iron sulfide (FeS). FeS and Fe form a low melting point (985℃) compound. The hot working temperature of steel is generally above 1150 - 1200℃, so when the steel is hot working, the premature melting of FeS compound causes the workpiece to crack, which is called "hot brittleness". It reduces ductility and toughness of steel and causes cracks during forging and rolling. Sulfur is also detrimental to welding performance and reduces corrosion resistance.
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