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America UNS K91209 锰钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K91209 / K91209
Category Grade Standard Region/Area Standard Content
Metals K91209 -- America 锰钢

Chemical composition(mass fraction)(wt.%) of the K91209

Element Min Max Similar
Si - 0.5500 -
S - 0.0400 -
P - 0.0800 -
Ni - 0.7500 -
Mo - 0.1000 -
Mn 12.0000 15.0000 -
Cr - 0.6000 -
C 1.2000 1.5000 -

Mechanical Properties of steel grade K91209

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)
447 (≥) 164 (≥) 21 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade K91209

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 - -     0.42 -  
621 691 - 32.3 134   -  
751 - 14 22.2   342 443

Heat Treatment of steel grade K91209

Heat treated : 1235°C - 1594°C

Technological Curves of steel grade K91209

Cross Reference Table (Equivalent Grade) of K91209

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