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Global 企业标准 IMI684 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: IMI684 / IMI 684
Category Grade Standard Region/Area Standard Content
Metals IMI 684 -- Global

Chemical composition(mass fraction)(wt.%) of the IMI 684

Element Min Max Similar
Zr - - 5.0000
W - - 1.0000
Ti - - -
Si - - 0.3000
Al - - 6.0000

Mechanical Properties of steel grade IMI 684

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)
276 (≥) 682 (≥) 43 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade IMI 684

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
41 - -     0.43 -  
762 849 - 21.3 324   -  
943 - 11 21.2   321 141

Heat Treatment of steel grade IMI 684

Heat treated : 1832°C - 1345°C

Technological Curves of steel grade IMI 684

Cross Reference Table (Equivalent Grade) of IMI 684

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