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T20825 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20825

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UNS T20825

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This page is mainly introduced the T20825 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20825,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-Work Tool Steel

Steel Garde:T20825
Type:Tool Die Steels
Country:USA
Standard:UNS
Application:Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
T20825	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.25
Si	0.20	0.40
Mn	0.20	0.40
Cr		4.00
Mo
V
W		15.00

Mechanical Properties

Tensile strength	665～259	σb/MPa
Yield Strength	168	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	680～603	-
HRC	30	-

Physical Properties

Thermal expansion	93-43	e-6/K
Thermal conductivity	14-97	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9498-6857	째C
Density	0532-4110	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)
T20825 Tool Die Steels	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