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A608 Grade HK-50

America ASTM A608GradeHK-50 高温承压设备用铁-铬-镍高合金离心铸造管规格 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A608GradeHK-50 / A608 Grade HK-50
Category Grade Standard Region/Area Standard Content
Metals A608 Grade HK-50 ASTM A608/A608M America 高温承压设备用铁-铬-镍高合金离心铸造管规格

Chemical composition(mass fraction)(wt.%) of the A608 Grade HK-50

Element Min Max Similar

Mechanical Properties of steel grade A608 Grade HK-50

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)
342 (≥) 887 (≥) 31 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade A608 Grade HK-50

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 - -     0.42 -  
149 315 - 43.3 222   -  
853 - 42 23.2   421 423

Heat Treatment of steel grade A608 Grade HK-50

Heat treated : 1436°C - 1384°C

Technological Curves of steel grade A608 Grade HK-50

Cross Reference Table (Equivalent Grade) of A608 Grade HK-50

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