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Description

China GBT TAC-3B Superalloys and high temperature intermetallic materials and TAC-3B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: TAC-3B
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy TAC-3B GBT China Superalloys and high temperature intermetallic materials
JG1204
JG1301
JG1302
JG4006
JG4006A
JG4246
JG4246A
TAC-2
TAC-2M
T AC-3 A

Chemical composition(mass fraction)(wt.%) of the TAC-3B

N(%) Nb(%) Al(%) Ti(%) O(%) H(%)
0.020 44.20-46.20 9.70-11.700 Bal 0.100 0.010

Mechanical Properties of steel grade TAC-3B

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)
167 (≥) 314 (≥) 22 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade TAC-3B

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 - -     0.34 -  
137 174 - 42.3 142   -  
526 - 14 12.2   331 121

Heat Treatment of steel grade TAC-3B

Heat treated : 1977°C - 1754°C

Technological Curves of steel grade TAC-3B

Cross Reference Table (Equivalent Grade) of TAC-3B

Grade Standard Country Application
TAC-3B GBT China Superalloys and high temperature intermetallic materials

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