T20823

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#T20823

Description

USA UNS T20823 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: T20823

Category	Class	Grade	Standard	Country	Application
Steel Grades	Tool Die Steels	T20823	UNS	USA	Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the T20823

C	Si	Mn	P	S	Cr	Mo	V	W	Ni＋Cu
0.25 -0.35	0.15 -0.60	0.15 -0.40	≤0.030	≤0.030	11.00 -12.75	≤ ≥	0.75 -1.25	11.00 -12.75	≤0.75

Mechanical Properties of steel grade T20823

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)
922 (≥)	731 (≥)	11	11	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade T20823

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	-	-			0.44	-
749	541	-	24.3	343		-
777	-	11	41.2			214	142

Heat Treatment of steel grade T20823

Heat treated : 1349°C - 1951°C

Technological Curves of steel grade T20823

No Curve

Cross Reference Table (Equivalent Grade) of T20823

Grade	Standard	Country	Application
UNS T20823
T20823

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