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B861 Grade 9

America ASTM B861Grade9 钛和钛合金无缝管的标准规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B861Grade9 / B861 Grade 9
Category Grade Standard Region/Area Standard Content
Metals B861 Grade 9 ASTM B861 America 钛和钛合金无缝管的标准规范

Chemical composition(mass fraction)(wt.%) of the B861 Grade 9

Element Min Max Similar

Mechanical Properties of steel grade B861 Grade 9

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)
813 (≥) 657 (≥) 12 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade B861 Grade 9

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
33 - -     0.24 -  
345 521 - 12.3 221   -  
587 - 14 34.2   232 121

Heat Treatment of steel grade B861 Grade 9

Heat treated : 1694°C - 1754°C

Technological Curves of steel grade B861 Grade 9

Cross Reference Table (Equivalent Grade) of B861 Grade 9

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