42CrMo4 Material

42CrMo4 Material

42CrMo4 alloy structural steel

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

42CrMo4 Corresponding brand: 1.7225

42CrMo4 Implementation standard :EN 10083:3-2006

42CrMo4 Chemical Composition:

Carbon C: 0.38 ~ 0.45

Si: ≤0.4

Manganese Mn: 0.6 ~ 0.9

Sulfur S: ≤0.035

P: ≤0.035

Chromium Cr: 0.9 ~ 1.2

Molybdenum Mo: 0.15 ~ 0.3

42CrMo4 Mechanical properties:

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

42CrMo4 Heat treatment: quench 850℃, oil cold; Tempering 560℃, water cooling, oil cooling.

42CrMo4 Metallographic structure: tempered sorbite.

Product Description

Product Application

Product Packaging

20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)
Packing Details : Bundle with steel strip or Precision packaging
Standard Export Seaworthy Package.Suit for all kinds of transport,or as required

Port：Qingdao port ,Tianjin port , Shanghai port

Lead time : quantity (tons) 1-25 7days

﹥25 to be negotiated

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