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30SiMn2MoVA

China GJB 30SiMn2MoVA 火炮零件用无缝钢管规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30SiMn2MoVA / 30SiMn2MoVA
Category Grade Standard Region/Area Standard Content
Metals 30SiMn2MoVA GJB 6483 China 火炮零件用无缝钢管规范

Chemical composition(mass fraction)(wt.%) of the 30SiMn2MoVA

Element Min Max Similar
C 0.2700 0.3300 -
Si 0.4000 0.6000 -
Mn 1.6000 1.8500 -
P - 0.0250 -
S - 0.0200 -
Cr - 0.3000 -
Ni - 0.3000 -
Mo 0.4000 0.5000 -
Cu - 0.2500 -
V 0.1500 0.2500 -

Mechanical Properties of steel grade 30SiMn2MoVA

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
919 (≥) 991 (≥) 11 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 30SiMn2MoVA

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
24 - -     0.12 -  
749 579 - 33.3 111   -  
683 - 31 41.2   332 114

Heat Treatment of steel grade 30SiMn2MoVA

Heat treated : 1883°C - 1219°C

Technological Curves of steel grade 30SiMn2MoVA

Cross Reference Table (Equivalent Grade) of 30SiMn2MoVA

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