A572 Gr 345 steel Vs ABS D40 submarine hull steel

Recently, a symposium on the celebration of the 70th anniversary of the founding of the People's Republic of China by the iron and steel industry was held in Beijing Convention Center. The 2019 Year of the Pig is the 70th anniversary of the founding of the People's Republic of China. Growing up with the motherland, BBN ABS D40 submarine hull steel Steel Staff sang songs to the mark the 70th victory anniversary. In the last of September, Henan BBN Steel organized all employees to sing ""My Country and I"" and made a film.Slow heating, preheating and other balanced heating methods can be used to reduce the heat treatment deformation of wear-resistant composite plate. Correct heat treatment process and reasonable tempering heat treatment process are also effective methods to reduce the deformation of wear-resistant composite plate. There are many reasons for the deformation of wear-resistant composite plate, ABS D40 submarine hull steel. We only need to master the deformation law and analyze the reasons. The deformation of composite wear-resistant plate, ABS D40 submarine hull steel can be alleviated and controlled,ABS D40 submarine hull steel., 35CrMo alloy steel is Chinese structual steel. As specified in GBT3077 standard, 35CrMo steel chemical composition should be: Carbon content 0.32-0.40 (C), Silicon content 0.17-0.37 (Si), Manganese content 0.40-0.70 (Mn), Chrome content 0.80-1.10 (Cr), Molybdenum content 0.15-0.25 (Mo). The heating temperature for 35CrMo alloy steel quenching is 850 Centigrade, the cooling material is oil. The heating temperature for 35CrMo alloy steel tempering is 550 Centigrade, the cooling material is oil or water.We had a wonderful trip in Phuket Island, Thailand. At the end of 2019, in order to thank employees for their hard work for a year and enrich their lives, our company organized a pleasant trip to Phuket Island, Thailand. The tour lasted 6 days and 5 nights, and returned by plane on the evening of December 27. We took off in Zhengzhou at about 5 o'clock in the afternoon on the 22th December.