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Description

China SMC GJB 1538A (2008), TB6 Specialsteel Aircraft structure with titanium alloy rod specifications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: TB6
Category Class Grade Standard Country Application
Steel GradesSpecialsteel TB6 SMC China Aircraft structure with titanium alloy rod specifications

Chemical composition(mass fraction)(wt.%) of the TB6

Ti Al V Fe C N H O Y Others total Total Others
≤Remainder 2.6000 -3.4000 9.0000 -11.0000 1.6000 -2.2000 ≤0.0500 ≤0.0500 ≤0.0125 ≤0.1300 ≤0.0050 ≤0.1000 ≤0.3000

Mechanical Properties of steel grade TB6

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)
234 (≥) 177 (≥) 43 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade TB6

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 - -     0.12 -  
736 663 - 32.3 144   -  
399 - 12 13.2   122 331

Heat Treatment of steel grade TB6

Heat treated : 1742°C - 1425°C

Technological Curves of steel grade TB6

Relevant standard of TB6

GJB 1538A (2008) Aircraft structure with titanium alloy rod specifications GJB-1538A---(2008).pdf

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