What is EN 10025-6 high strength steel S460QL1 equivalent grade

The tensile strength of seamless steel pipe is more than 8-10 times of that of ordinary steel, and its elastic modulus is better than that of steel, with excellent creep resistance, corrosion resistance and seismic resistance; the mechanical performance of seamless steel pipe is excellent, easy to machine, etc.; the seamless steel pipe EN 10025-6 high strength steel S460QL1 is highly elastic, reused in mechanical equipment, memoryless, deformation free, and antistatic.

10# seamless steel pipe chemical composition : C: 0.07-0.13, Si: 0.17-0.37, Mn: 0.35-0.65, Cr: 0.15, Ni: 0.30, Cu: 0.25.
10# seamless steel pipe mechanical properties: recommended heat treatment temperature: 930℃, tensile strength: 335 MPa, yield strength: 205 MPa, elongation: 31%, impact energy is not required. EN 10025-6 high strength steel S460QL1, 10# seamless steel pipe has high plasticity and toughness, no temper brittleness tendency, and good weldability. Its machinability under cold drawing or normalizing treatment is obviously improved. In cold state, 10# seamless steel pipe is easy to be extruded and molded, but its strength is low, and its hardenability is very poor.

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 high strength steel S460QL1 are higher than that of annealed EN 10025-6 high strength steel S460QL1, but the elimination of internal stress is not as good as annealing. The normalizing operation of EN 10025-6 high strength steel S460QL1 is simple, the cost is low, the productivity is high, and it is widely used in actual production.

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