T12

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#T12

Description

T12 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: T12

Category	Type	Steel Grade
Steel Grades	High Alloy	T12
		T5
		K41545
		T5b
		K51545
		T5c
		K41254
		T9
		K90941
		T11
		K11597

Chemical composition(mass fraction)(wt.%) of the T12

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.05-0.15	0.5	0.3-0.61	0.025	0.025	0.8-1.25	0.44-0.65
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade T12

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)
168 (≥)	244 (≥)	12	23	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical Properties of steel grade T12

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
41	-	-			0.34	-
455	534	-	42.3	414		-
635	-	42	42.2			412	111

Heat Treatment of steel grade T12

Heat treated : 1716°C - 1314°C

Technological Curves of steel grade T12

No Curve

Cross Reference Table (Equivalent Grade) of T12

Grade	Standard	Country	Application
T12		China	Carbon tool steel
T12002	UNS	USA	Tungsten series High-Speed Tool Steel
T12004	UNS	USA	Tungsten series High-Speed Tool Steel
T12005	UNS	USA	Tungsten series High-Speed Tool Steel
T12006	UNS	USA	Tungsten series High-Speed Tool Steel
T12008	UNS	USA	Tungsten series High-Speed Tool Steel
T12015	UNS	USA	Tungsten series High-Speed Tool Steel
T12A	JIS	Japan	Carbide for cutting tools
T12A	JIS	Japan	Carbide for cutting tools
Z3CT12	AFNOR	France	Stainless Steel Plate & Steel Strip
Z8CNT12	AFNOR	France	Stainless Steel Plate & Steel Strip
T12MoNiCr210			Cast Steel
T12NiCr210			Cast Steel
T12NNiCrl90			Cast Steel
T12NNiCr210			Cast Steel
T12TiMoNiCrl75			Cast Steel
T12TiNiCr210			Cast Steel

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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T12