For the A573 Gr70 carbon steel construction industry, the largest consumer sector of the steel industry and the least affected industry in the EU this year, it is estimated that A573 Gr70 carbon steel steel consumption will account for 35% of the EU steel
For the A573 Gr70 carbon steel construction industry, the largest consumer sector of the steel industry and the least affected industry in the EU this year, it is estimated that A573 Gr70 carbon steel steel consumption will account for 35% of the EU steel consumption market this year. Uestf forecasts that the output of the construction industry will decline by 5.3% in 2020 and rise by 4% in 2021.
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A573 Gr70 carbon steel, 30CrMnSiA steel has good machinability, small processing deformation and good fatigue resistance. If 30CrMnSiA steel is used to make a tool, it is processed to the tool shape by rough machining. Mill the cutting edge with a cemented carbide milling cutter and polish it with a polishing machine. There should be no problem for the surface roughness reaching 3.2. 30CrMnSiA steel has high strength, sufficient toughness and good hardenability after quenching and tempering. After quenching and tempering, 30CrMnSiA steel can be used for grinding wheel shafts, gears and sprockets.
Box making, door-to-door: fill in the packing plan: box making time, ship name, voyage number, customs declaration number, transfer port, destination port, gross weight, number of pieces, volume, door point, contact person, telephone number, etc., and arrange the train shift 1-2 days before the closing date (two days before the ship's date). Internal loading: fill in the packing plan: ship name, voyage number, customs declaration number, transfer port, destination port, gross weight, number of pieces, volume, cabin number, etc., and arrange the train shift 1-2 days before the closing date (two days before the ship's date).
Oxygen is a harmful element in A573 Gr70 carbon steel steel. With the increase of oxygen content, the strength of A573 Gr70 carbon steel steel increased, but the plasticity, especially the toughness, decreased significantly, and the weldability became worse. The presence of oxygen causes hot brittleness of A573 Gr70 carbon steel steel.
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