42CrMo4 DIN 1.7225 UNS G41400 Round Bars

42CrMo4 DIN 1.7225 UNS G41400 Round Bars

42crmo4 is an industrial material. 42CrMo4 is used to manufacture forgings that require higher strength and larger tuning cross-section than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear shafts, connecting rods and spring clips with great loads, 42CrMo4 can also be used for drilling pipe joints and fishing tools in deep oil Wells below 2000m

42 crmo4 (1.7225)

Implementation standard :EN 10083/3-2006

Features: 42CrMo4 strength, high hardenability, good toughness, small deformation during quenching, high creep strength and lasting strength at high temperature.

42CrMo4 steel is the American AISI standard 4140 steel improved varieties. The steel has good machinability, easy polishing, easy biting and plating.

Chemical composition

Carbon C: 0.38 ~ 0.45%

Silicon Si: 0.17 ~ 0.37%

Manganese Mn: 0.50 ~ 0.80%

Sulfur S: Allowable residual content ≤0.035%

P: Allowable residual content ≤0.035%

Chromium Cr: 0.90 ~ 1.20%

Nickel Ni: Allowable residual content ≤0.030%

Copper Cu: Allowable residual content ≤0.030%

Molybdenum Mo: 0.15 ~ 0.25%

Mechanical property

Tensile strength σb (MPa) : ≥1080(110)

Yield strength σs (MPa) : ≥930(95)

Elongation δ5 (%) : ≥12

Section shrinkage (%) : ≥45

Impact power Akv (J) : ≥63

Impact toughness value αkv (J/cm2) : ≥78(8)

Hardness: ≤217HB

Specimen size: specimen blank size is 25mm

Application fields

Product Description

Product Packaging

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