DIN 25CrMo4 Alloy structural steel square tube

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Posted On

31-Oct-16

Product Details

DIN 25CrMo4 Alloy structural steel square tube has high hardenability, temper brittleness, weldability is quite good, cold cracking tendency to form small, DIN 25CrMo4 steel square tube can be a good machinability and cold strain plasticity. In general quenching or carburizing state use.
DIN 25CrMo4 Alloy structural steel square tube is used in the manufacture of non-corrosive medium and temperature lower than 250 ℃, high-pressure pipes and all kinds of fasteners medium containing a mixture of nitrogen and hydrogen in work, higher carburizing parts such as gears, shafts.
DIN 25CrMo4 Alloy structural steel square tube Chemical composition(%)
C: 0.22- 0.29 Si: 0.10-0.40 Mn: 0.60 - 0.90 S≤0.035 P ≤0.035 Cr: 0.90 - 1.20 Ni≤0.030 Cu≤0.10 Mo: 0.15 - 0.30
Alloy structural steel square tube Specification
Thickness:4-35mm;Outer diameter:70-325mm
DIN 25CrMo4 Alloy structural steel square tube Mechanical property
Tensile strength σb (MPa) ≥885 (90) Yield strength σs (MPa) ≥685 (70) Elongation δ5 (%) ≥12 Reduction of area ψ (%) ≥50 Impact energy Akv (J) ≥35 Impact toughness αkv (J / cm2) ≥98 (10) Hardness ≤212HB
Delivery status: to heat treatment (normalizing, annealing, or tempering) or without heat treatment delivery.
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