Heat treatment process and purpose of S690QL1 steel grade

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 S690QL1 steel grade 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.

Our company is a specialized technical support and after-sales service organization - customer service center. At the same time, we have provided excellent technical S690QL1 steel grade personnel and strong technical support for our company, and cultivated an excellent after-sales team for our company. Our company will appoint a full-time service manager to be responsible for the unified coordination of technical support and S690QL1 steel grade after-sales service of the project.

The working pressure of high pressure boiler steel tube is generally above 9.8 MPa, and the working temperature is between 450℃ and 650℃. The materials of high pressure boiler steel tubes are: 20G, 20MnG, 25MnG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, 12Cr2MoWVTiB, 10Cr9Mo1VNb, SA210A1, SA210C, SA213 T11, SA213 T12, SA213 T22, SA213 T23, SA213 T91, SA213 T92, ST45.8, 15Mo3, 13CrMo44, 10CrMo9-10, S690QL1 steel grade and so on.

Weathering steel S690QL1 steel grade inventory: 22*3400*13000, 23.1*2590*7790, 25*1600*9300, 25*1600*9500, 25*2400*8200, 30*1600*10720, 30*1600*8600, 31.2*2950*9380, 31.9*2920*9420, 32*2500*6000, 34*1900*12000, 38*3300*13400, 60*1750*9100, 70*2260*7240, 70*2260*7700, 70*2260*7950, 70*2270*7000, 70*2270*7350, 70*2270*7600, 70*2500*12000, 75*2390*4320, 80*2200*10000, 80*2250*8850.

In December of 2015, our regular India customer sent us an inquiry for S690QL1 steel grade pipe. The inquiry requires no negative tolerance in both pipes’ outer diameter and pipe wall. After two weeks’ discussion, he put the order of 275 tons to us. The pipes are finished within just one month. Our customer come to our factory to inspect the quality and tolerance, all the products are well meet his demand. The pipes are arriving to Nhava Sheva port, customer is very happy with our products and service during the process.

BBN steel strictly control quality of our carbon steel plate, alloy steel plates and structural steel plates. For S690QL1 steel grade ASTM A572 Grade 50 structural steel plate, Our Q/C Department will inspect dimension before shipment, making sure structural steel plate thickness tolerance and width, length tolerance are matchable to the S690QL1 steel grade standard requirements. The company is a good ASTM A572 Grade 50 structural steel plate supplier in the globle market and the head is located in China. Welcome to send us inquiry and questions about structural steel plate.