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You are here: Home- News15MnVB Alloy Structural Steel Plate Equivalent Steel Grade

15MnVB Alloy Structural Steel Plate Equivalent Steel Grade

Posted:2017/3/29 3:00:02

As a kind of low-carbon martensite quenching steel, 15MnVB steel has a high strength and good plasticity and toughness. Combined with the characteristics, 15MnVB steel also has a low cold brittle conversion temperature in the quenching and low temperature tempering.

15MnVB Alloy Structural Steel Chemical Composition

C:0.12~0.18
Si:0.17~0.37
Mn:1.20~1.60
B:0.0005~0.0035
V:0.07~0.12
P:≤0.035
S:≤0.035
Cu:0.30
Cr:0.30
Ni:0.30
Mo:0.15

15MnVB Steel Plate Chemical Composition:

Tensile strength (σb / MPa): ≥885
Yield point (σs / MPa): ≥635
Elongation after break (δ5 /%): ≥10
Section shrinkage (ψ /%): ≥45
Impact Energy(Aku2 / J): ≥55
Brinell hardness (HBS100 / 3000) (annealing or high temperature tempering): ≤ 207

Key Features of 15MnVB

This steel has excellent cold form-ability and weld ability that the general low-carbon steel inherent. The heat treatment decarburization tendency and quenching deformation are small, and 15MnVB Alloy steel can also completely quenched in the oil diameter of 12 ~ 18mm (> 95 ℃ Martensite ). Besides, the gap sensitivity and overload sensitivity are low under static load, fatigue and multiple impact load,.

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