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America UNS T72302 水淬硬化工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T72302 / T72302
Category Grade Standard Region/Area Standard Content
Metals T72302 -- America 水淬硬化工具钢

Chemical composition(mass fraction)(wt.%) of the T72302

Element Min Max Similar
W - 0.1500 -
V 0.1500 0.3500 -
Si 0.1000 0.4000 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.2000 -
Mo - 0.1000 -
Mn 0.1000 0.4000 -
Cu - 0.2000 -
Cr - 0.1500 -
C 0.8500 1.5000 -

Mechanical Properties of steel grade T72302

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)
987 (≥) 292 (≥) 23 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade T72302

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
23 - -     0.11 -  
949 929 - 31.3 434   -  
896 - 42 41.2   434 444

Heat Treatment of steel grade T72302

Heat treated : 1361°C - 1828°C

Technological Curves of steel grade T72302

Cross Reference Table (Equivalent Grade) of T72302

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