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America UNS T51621 型模钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T51621 / T51621
Category Grade Standard Region/Area Standard Content
Metals T51621 -- America 型模钢

Chemical composition(mass fraction)(wt.%) of the T51621

Element Min Max Similar
V 0.1500 0.2500 -
Si 0.2000 0.4000 -
S - 0.0300 -
P - 0.0300 -
Ni 4.0000 4.2500 -
Mn 0.2000 0.4000 -
Cr 0.2000 0.3000 -
C 0.1800 0.2200 -
Al 1.0500 1.2500 -

Mechanical Properties of steel grade T51621

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)
319 (≥) 362 (≥) 44 42 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade T51621

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
24 - -     0.44 -  
137 384 - 24.3 324   -  
935 - 32 33.2   411 413

Heat Treatment of steel grade T51621

Heat treated : 1734°C - 1862°C

Technological Curves of steel grade T51621

Cross Reference Table (Equivalent Grade) of T51621

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