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Composition, properties and executive standard of military steel 30CrNi3MoV

Posted:2021-05-27 17:50:03

30CrNi3MoV steel plate is a high strength and high toughness steel plate, and it is also a military steel plate.

The technical standard of 30CrNi3MoV is GJB (national military standard) 31A-2000.
Military steel 30CrNi3MoV delivery state: usually delivered in high temperature tempered state.

Chemical composition analysis of military steel 30CrNi3MoV:
C: 0.26-0.32
Si: 0.15-0.35
Mn: 0.30-0.50
Phosphorus P: ≤ 0.015
Sulfur s: ≤ 0.010
Cr: 0.60-1.00
Ni: 2.80-3.20
Mo: 0.40-0.50
RE：0.06-0.13
V: 0.06-0.013
Mechanical properties of 30CrNi3MoV steel:
Rockwell hardness: 40-42
Tensile strength: 1280MPa

30CrMnSiA steel is also a commonly used alloy structural military steel plate.