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TC4

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China GJB TC4 航空发动机压气机叶片用钛合金棒材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TC4 / TC4
Category Grade Standard Region/Area Standard Content
Metals TC4 GJB 494A China 航空发动机压气机叶片用钛合金棒材规范

Chemical composition(mass fraction)(wt.%) of the TC4

Element Min Max Similar
Ti - - -
Al 5.5000 6.8000 -
V 3.5000 4.5000 -
Fe - 0.3000 -
Si - 0.1500 -
C - 0.1000 -
N - 0.0500 -
H - 0.0125 -
O - 0.2000 -
Others total - 0.1000 -
Total Others - 0.4000 -
Ti - - -
Al 5.5000 6.8000 -
V 3.5000 4.5000 -
Fe - 0.3000 -
C - 0.1000 -
N - 0.0500 -
H - 0.0150 -
O - 0.2000 -
Others total - 0.1000 -
Total Others - 0.4000 -
Ti - - -
Al 5.5000 6.8000 -
V 3.5000 4.5000 -
Si - - 0.1500
Fe - 0.3000 -
C - 0.1000 -
N - 0.0500 -
H - 0.0100 -
O - 0.2000 -
Others total - 0.1000 -
Total Others - 0.3000 -

Mechanical Properties of steel grade TC4

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)
383 (≥) 563 (≥) 24 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade TC4

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
44 - -     0.42 -  
294 347 - 31.3 423   -  
278 - 23 32.2   122 111

Heat Treatment of steel grade TC4

Heat treated : 1766°C - 1995°C

Technological Curves of steel grade TC4

Cross Reference Table (Equivalent Grade) of TC4

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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