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GB/T 3077 35CrMo Alloy Steel Plate

35CrMo steel is a Chinese alloy steel for engineering purpose, it has high durability and creep strength at high temperature, and low temperature impact toughness is good. The working temperature is up to 500 ° C, the low temperature can be -100 ° C, and has high static strength and high fatigue strength, good hardenability, no tendency to overheat, small quenching deformation, and moderate machinability. However, this material has a first type of temper brittleness, and the weldability is not good. It needs to be preheated to 150-400 ° C before welding, and heat treatment is needed after welding to eliminate stress. Generally used after quenching and tempering treatment.

35CrMo Steel Chemical Composition (%):

Steel Grade

C

Si

Mn

P

S

Cr

Mo

Cu

35CrMo

0.32 to 0.40

0.17 to 0.37

0.40 to 0.70

≤ 0.030

≤ 0.030

0.80 to 1.10

0.15 to 0.25

≤ 0.30

35CrMo Alloy Steel Mechanical Properties:

Grade

Thickness

Yield

Tensile

35CrMo

mm

Min Mpa

Mpa

6-50

835

980

50-200

835

980

Applications of 35CrMo Alloy Steel:
35CrMo alloy steel can be used to manufacture major parts in various machines that withstand impact, bending and high loads, such as rolling mill gears, crankshafts, connecting rods, fasteners, automotive engine spindles, axles, engine transmission parts, large motor shafts, bolts for boilers with operating temperatures below 400 °C, nuts below 510 °C, high pressure seamless thick-walled conduits for chemical machinery (450-500 ° C, non-corrosive media).

Equivalent:
35CrMo equivalent to US ASTM, European Germany DIN EN, British BS EN, France NF EN, Japanese JIS, and ISO standard.

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