T20813

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#T20813

Description

USA UNS T20813 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: T20813

Category	Class	Grade	Standard	Country	Application
Steel Grades	Tool Die Steels	T20813	UNS	USA	Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the T20813

C	Si	Mn	P	S	Cr	Mo	V	W	Ni＋Cu
0.32 -0.45	0.80 -1.20	0.20 -0.50	≤0.030	≤0.030	4.75 -5.50	1.10 -1.75	0.80 -1.20	≤ ≥	≤0.75

Mechanical Properties of steel grade T20813

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)
346 (≥)	299 (≥)	32	23	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade T20813

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
12	-	-			0.23	-
344	597	-	33.3	444		-
688	-	22	21.2			314	444

Heat Treatment of steel grade T20813

Heat treated : 1831°C - 1275°C

Technological Curves of steel grade T20813

No Curve

Cross Reference Table (Equivalent Grade) of T20813

Grade	Standard	Country	Application
UNS T20813
T20813

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