TA7

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China GJB TA7 航空用钛及钛合金自由锻件和模锻件规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TA7 / TA7

Category	Grade	Standard	Region/Area	Standard Content
Metals	TA7	GJB 2744	China	航空用钛及钛合金自由锻件和模锻件规范

Chemical composition(mass fraction)(wt.%) of the TA7

Element	Min	Max	Similar
Ti	-	-	-
Al	4.0000	6.0000	-
Sn	2.0000	3.0000	-
Fe	-	0.5000	-
C	-	0.1000	-
N	-	0.0500	-
H	-	0.0150	-
O	-	0.2000	-
Others total	-	0.1000	-
Total Others	-	0.4000	-

Mechanical Properties of steel grade TA7

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
136 (≥)	361 (≥)	21	34	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	241

Physical Properties of steel grade TA7

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
11	-	-			0.43	-
655	876	-	12.3	221		-
878	-	12	24.2			423	144

Heat Treatment of steel grade TA7

Heat treated : 1917°C - 1298°C

Technological Curves of steel grade TA7

No Curve

Cross Reference Table (Equivalent Grade) of TA7

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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Rfq.: sales@longhaisteel.com

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TA7