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Ti-3Al-8V-6Cr-4Mo-4Zr

China GB Ti-3Al-8V-6Cr-4Mo-4Zr 钛及钛合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals Ti-3Al-8V-6Cr-4Mo-4Zr GB/T 3620.1 China 钛及钛合金牌号和化学成分

Chemical composition(mass fraction)(wt.%) of the Ti-3Al-8V-6Cr-4Mo-4Zr

Element Min Max Similar
Zr 3.5000 4.5000 -
V 7.5000 8.5000 -
Total Others - 0.4000 -
Total Each - 0.1000 -
Ti - - -
Pb - 0.1000 -
O - 0.1500 -
N - 0.0400 -
Mo 3.5000 4.5000 -
H - 0.0300 -
Fe - 0.3000 -
Cr 5.5000 6.5000 -
C - 0.0500 -
Al 3.0000 4.0000 -

Mechanical Properties of steel grade Ti-3Al-8V-6Cr-4Mo-4Zr

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)
315 (≥) 282 (≥) 13 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade Ti-3Al-8V-6Cr-4Mo-4Zr

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
32 - -     0.32 -  
198 642 - 33.3 331   -  
856 - 21 43.2   134 332

Heat Treatment of steel grade Ti-3Al-8V-6Cr-4Mo-4Zr

Heat treated : 1287°C - 1138°C

Technological Curves of steel grade Ti-3Al-8V-6Cr-4Mo-4Zr

Cross Reference Table (Equivalent Grade) of Ti-3Al-8V-6Cr-4Mo-4Zr

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