TC7

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China GB TC7 钛及钛合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TC7 / TC7

Category	Grade	Standard	Region/Area	Standard Content
Metals	TC7	GB/T 3620.1	China	钛及钛合金牌号和化学成分

Chemical composition(mass fraction)(wt.%) of the TC7

Element	Min	Max	Similar
Total Others	-	0.4000	-
Total Each	-	0.1000	-
Ti	-	-	-
Si	0.2500	0.6000	-
Fe	0.2500	0.6000	-
Cr	0.4000	0.9000	-
B	-	0.0100	-
Al	5.0000	6.5000	-

Mechanical Properties of steel grade TC7

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)
965 (≥)	845 (≥)	21	43	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	333

Physical Properties of steel grade TC7

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
23	-	-			0.11	-
578	494	-	23.3	243		-
243	-	34	44.2			421	423

Heat Treatment of steel grade TC7

Heat treated : 1847°C - 1569°C

Technological Curves of steel grade TC7

No Curve

Cross Reference Table (Equivalent Grade) of TC7

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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TC7