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T20824 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20824

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UNS T20824

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This page is mainly introduced the T20824 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20824,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T20824

Steel Garde:T20824
Type:Special Alloy
Country:USA
Standard:UNS
Application:Alloy tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	491～288	σb/MPa
Yield Strength	812	σ 0.2 ≥/MPa
Elongation	39	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	703～830	-
HRC	30	-

Physical Properties

Thermal expansion	80-84	e-6/K
Thermal conductivity	62-67	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1072-7807	째C
Density	8388-5493	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
T20824 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk