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ALKROTHAL 720

Global 企业标准 ALKROTHAL720 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ALKROTHAL720 / ALKROTHAL 720
Category Grade Standard Region/Area Standard Content
Metals ALKROTHAL 720 -- Global

Chemical composition(mass fraction)(wt.%) of the ALKROTHAL 720

Element Min Max Similar
Si - 0.7000 -
Mn - 0.7000 -
Cr 12.0000 14.0000 -
C - 0.0800 -
Al - 4.0000 -

Mechanical Properties of steel grade ALKROTHAL 720

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)
392 (≥) 464 (≥) 34 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade ALKROTHAL 720

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
44 - -     0.34 -  
332 419 - 12.3 221   -  
832 - 11 43.2   122 143

Heat Treatment of steel grade ALKROTHAL 720

Heat treated : 1968°C - 1939°C

Technological Curves of steel grade ALKROTHAL 720

Cross Reference Table (Equivalent Grade) of ALKROTHAL 720

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