High Tensile Steel 42CrMo4

High Tensile Steel 42CrMo4

42CrMo4(1.7225) alloy structural steel

Implementation standard :EN 10083/1-1991

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

● Chemical composition:

Carbon C :0.30~0.37

Silicon Si:0.10~0.40

Manganese Mn:0.60~0.90

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:0.15~0.30

● 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

Specimen size: specimen blank size is 25mm

Heat treatment specification and metallographic structure heat treatment specification: quench 850℃, oil cooling; Tempering 560℃, water cooling, oil cooling.

Metallographic structure: tempered sorbite.

Heat treatment:

annealing No.1 "760±10℃ annealing, furnace cooling to 400℃ air cooling.

HB220-230

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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