The significance of developing EN 10025-6 S890QL1 high strength steel

The carbon and low alloy steel plates are our main products. Our main conducted standards for carbon and low alloy steel plates are (ASME) ASTM (S)A36, (S)A283, EN 10025-6 S890QL1 high strength steel, (S)A572, (S)A573, (S)A633, (S)A709, EN10025-2, EN10025-3, EN10025-4, EN10025-6, JIS G3101, JIS G3106, DIN 17100, DIN 17102, etc. Our typical carbon and low alloy steel grades are (S)A36, (S)A283 grade C, (S)A572 grade 50, S235JR, S355JR, S355J2, SS400, SM570, ST37-2, ST52-3, Q235B, EN 10025-6 S890QL1 high strength steel, Q345B, etc.

EN 10025-6 S890QL1 high strength 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.

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 EN 10025-6 S890QL1 high strength steel are higher than that of annealed EN 10025-6 S890QL1 high strength steel, but the elimination of internal stress is not as good as annealing. The normalizing operation of EN 10025-6 S890QL1 high strength steel is simple, the cost is low, the productivity is high, and it is widely used in actual production.

The company will rely on its good reputation, excellent hot-rolled plates, steel pipes, steel structure products, and intimate EN 10025-6 S890QL1 high strength steel after-sales service to customers. I would like to express my heartfelt thanks to the old and new friends and customers who have always given care, support and help to the company! The company sincerely hopes to establish a long-term cooperative relationship with them, mutual benefit and common development. Welcome to come and visit our EN 10025-6 S890QL1 high strength steel steel mill.

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