35CrMo Alloy Structural Steel

35CrMo Alloy Structural Steel

35CrMo alloy structural steel has high static strength, impact toughness and high fatigue limit. It has higher hardenability than 40Cr. It has high creep strength and durable strength at high temperatures. The long-term working temperature can reach 500℃; cold It has medium plasticity during deformation and poor weldability. Low temperature to -110 degrees Celsius, and has high static strength, impact toughness, high fatigue strength, good hardenability, no overheating tendency, small quenching deformation, acceptable plasticity during cold deformation, medium machinability, but has The first type has temper brittleness and poor weldability. It needs to be preheated to 150~400 degrees Celsius before welding. Post-weld heat treatment is used to eliminate stress. It is generally used after quenching and tempering. It can also be quenched or quenched at high and medium frequency and low, Temper over medium heat before use. Delivery status: normalizing or normalizing + tempering, quenching and tempering.

Used in the manufacture of impact, bending and torsion, high loads of various machines in the important parts, such as rolling mill herringbone gears, crankshafts, hammer rods, connecting rods, fasteners, turbine engine spindles, axles, engine transmission parts, large motor shafts, perforators in petroleum machinery, working temperature below 400 degrees Celsius boiler bolts, below 510 degrees Celsius nut, chemical machinery, high-pressure seamless thick-walled conduits (temperature 450 ~ 500 degrees Celsius, non-corrosive media), etc.; can also be used in place of 40CrNi for the manufacture of high-load drive shafts, turbine engine rotors, large cross-section gears, bearing shafts (diameter of less than 500MM), etc.; process equipment materials, tubes, welding materials and so on. It can also be used to manufacture standard parts such as groove pins.

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