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America UNS T74003 工具和模具表面处理用铬钢固体焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T74003 / T74003
Category Grade Standard Region/Area Standard Content
Metals T74003 -- America 工具和模具表面处理用铬钢固体焊条

Chemical composition(mass fraction)(wt.%) of the T74003

Element Min Max Similar

Mechanical Properties of steel grade T74003

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)
152 (≥) 367 (≥) 44 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade T74003

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
12 - -     0.14 -  
241 156 - 32.3 134   -  
232 - 13 34.2   231 413

Heat Treatment of steel grade T74003

Heat treated : 1861°C - 1317°C

Technological Curves of steel grade T74003

Cross Reference Table (Equivalent Grade) of T74003

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