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America ASTM B299MD 海绵钛 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B299MD / B299 MD
Category Grade Standard Region/Area Standard Content
Metals B299 MD ASTM B299 America 海绵钛

Chemical composition(mass fraction)(wt.%) of the B299 MD

Element Min Max Similar

Mechanical Properties of steel grade B299 MD

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)
484 (≥) 215 (≥) 23 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade B299 MD

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
31 - -     0.43 -  
422 921 - 42.3 124   -  
782 - 34 24.2   321 212

Heat Treatment of steel grade B299 MD

Heat treated : 1923°C - 1984°C

Technological Curves of steel grade B299 MD

Cross Reference Table (Equivalent Grade) of B299 MD

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