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America UNS K81590 Alloy Steel replaced by S50400 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K81590 / K81590
Category Grade Standard Region/Area Standard Content
Metals K81590 -- America Alloy Steel replaced by S50400

Chemical composition(mass fraction)(wt.%) of the K81590

Element Min Max Similar

Mechanical Properties of steel grade K81590

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)
454 (≥) 191 (≥) 32 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade K81590

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
41 - -     0.41 -  
331 817 - 11.3 131   -  
122 - 11 14.2   343 341

Heat Treatment of steel grade K81590

Heat treated : 1436°C - 1853°C

Technological Curves of steel grade K81590

Cross Reference Table (Equivalent Grade) of K81590

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