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D30CrMnSiA

China GJB D30CrMnSiA 炮弹用无缝钢管规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: D30CrMnSiA / D30CrMnSiA
Category Grade Standard Region/Area Standard Content
Metals D30CrMnSiA GJB 6482 China 炮弹用无缝钢管规范

Chemical composition(mass fraction)(wt.%) of the D30CrMnSiA

Element Min Max Similar
C 0.2800 0.3400 -
Si 0.9000 1.2000 -
Mn 0.8000 1.1000 -
P - 0.0250 -
S - 0.0250 -
Cr 0.8000 1.1000 -
Ni - 0.2500 -
Mo - 0.1000 -
Cu - 0.2500 -

Mechanical Properties of steel grade D30CrMnSiA

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)
331 (≥) 435 (≥) 33 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade D30CrMnSiA

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
32 - -     0.42 -  
728 276 - 11.3 341   -  
241 - 41 23.2   311 233

Heat Treatment of steel grade D30CrMnSiA

Heat treated : 1238°C - 1584°C

Technological Curves of steel grade D30CrMnSiA

Cross Reference Table (Equivalent Grade) of D30CrMnSiA

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