AISI/SAE T9

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#AISI/SAE # # #T9

Description

AISI/SAE T9 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: AISI/SAE T9

Category	Type	Steel Grade
Steel Grades	Tool Steel	AISI/SAE T9
		ASTM M50
		UNS T11350
		ASTM M52
		UNS T11352
		AISI/SAE T3
		UNS T12003
		AISI/SAE T4
		UNS T12004
		AISI/SAE T7
		UNS T12007

Chemical composition(mass fraction)(wt.%) of the AISI/SAE T9

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
1.22-1.28	0.1-0.4	0.1-0.4			3.75-4.25
Mo	Al	W	Nb	Ti	V	Ce
0.75		18.0-18.5			3.75-4.25
N	Co	Pb	B	Other

Mechanical Properties of steel grade AISI/SAE T9

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)
439 (≥)	369 (≥)	34	22	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade AISI/SAE T9

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
32	-	-			0.41	-
995	151	-	41.3	244		-
648	-	32	33.2			441	214

Heat Treatment of steel grade AISI/SAE T9

Heat treated : 1519°C - 1233°C

Technological Curves of steel grade AISI/SAE T9

No Curve

Cross Reference Table (Equivalent Grade) of AISI/SAE T9

Grade	Standard	Country	Application
Q195		China	Engineering and welding
Q215		China	Engineering and welding
Q215 B		China	Engineering and welding
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		China	Engineering and welding
Q255 A		China	Engineering and welding
Q255 B		China	Engineering and welding
Q275		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with steel
Q345q E		China	Bridge structure with steel
Q345q C		China	Bridge structure with steel
ASTM 1030	ASTM	USA	General use carbon steel bar
UNS G10300	UNS	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
UNS G10060	UNS	USA	General use carbon steel bar

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