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T20819 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20819

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UNS T20819

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This page is mainly introduced the T20819 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20819,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:T20819
Type:Tool Die Steels
Country:USA
Standard:UNS
Application:Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
T20819	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.40
Si	0.20	0.40
Mn	0.20	0.40
Cr		4.25
Mo
V		2.00
W		4.25

Mechanical Properties

Tensile strength	963～681	σb/MPa
Yield Strength	461	σ 0.2 ≥/MPa
Elongation	75	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	490～629	-
HRC	30	-

Physical Properties

Thermal expansion	60-85	e-6/K
Thermal conductivity	50-64	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2294-7803	째C
Density	6061-3745	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)
T20819 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