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Germany DIN 30Mn7 Heat treatable Mn alloyed steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30Mn7 / 30 Mn7
Category Grade Standard Region/Area Standard Content
Metals 30 Mn7 -- Germany Heat treatable Mn alloyed steel

Chemical composition(mass fraction)(wt.%) of the 30 Mn7

Element Min Max Similar

Mechanical Properties of steel grade 30 Mn7

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)
483 (≥) 765 (≥) 44 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 30 Mn7

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
13 - -     0.14 -  
689 156 - 44.3 144   -  
522 - 22 12.2   322 441

Heat Treatment of steel grade 30 Mn7

Heat treated : 1177°C - 1639°C

Technological Curves of steel grade 30 Mn7

Cross Reference Table (Equivalent Grade) of 30 Mn7

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