Q690D carbon steel plate sheet equivalent grade in China

Normalizing is to heat the steel parts to 30~80℃above the critical temperature for a period of time. Then the parts are taken out of the furnace and cooled in air. Since the cooling rate of normalizing is faster than that of annealing, the strength and hardness of normalized Q690D carbon steel plate sheet are higher than that of annealed Q690D carbon steel plate sheet, but the elimination of internal stress is not as good as annealing. The normalizing operation of Q690D carbon steel plate sheet is simple, the cost is low, the productivity is high, and it is widely used in actual production.The company is a professional manufacture and stock keeper of Q245R boiler steel plate, Q345R boiler plate, 15CrMoR boiler steel plate, SA516 Gr 70 boiler steel plate, 16MnDR boiler steel plate, Q690D carbon steel plate sheet, and so on steel materials. The steel product can be produced according to GB, ASTM, ASME, JIS, DIN and EN standards. The thickness range of the pressure vessel and boiler steel plates is 3mm - 180mm. The pressure vessel and boiler steel products are widely used in petroleum, chemical, paper, power, nuclear power, heat exchanger, condenser, food and beverage, medicine and other industries or engineering.The company's sales department has a professional team, they have professional steel knowledge, respond quickly, with the problems raised by customers can quickly give solutions, put the interests of customers first. With their own professional knowledge to provide customers with high-quality steel plate in line with the requirements. At the same time, in terms of price, we also have great advantages. Members of the business department make sure that the delivery time is short and the service is the best.The company conducts periodic and targeted training and guidance for after-sales service personnel. As the saying goes, "no one is perfect, no gold is red", to help after-sales service personnel improve service skills and correct service attitude. Carry out relevant technical training for after-sales service personnel, so that after-sales service practitioners have professional product knowledge.Our company has a comfortable office environment, covers a large area, can accommodate hundreds of people working at the same time. All kinds of green plants are placed in the company, with a healthy office environment. Our company also has gym, table tennis, leisure bar, kitchen, refrigerator, microwave oven and other equipment. Humanized construction provides comfortable office environment for employees.our company is a professional ASTM A573 Grade 70/A573 Gr.70 carbon manganese silicon steel plates steel exporter and a steel Stockist in china. We keep more than Q690D carbon steel plate sheet 1000 tons ASTM A573 Grade 70/A573 Gr.70 carbon manganese silicon steel plates steel in stock every month.