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T20843 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20843

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UNS T20843

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This page is mainly introduced the T20843 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20843,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T20843

Steel Garde:T20843
Type:Special Alloy
Country:USA
Standard:UNS
Application:Alloy tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	282～839	σb/MPa
Yield Strength	705	σ 0.2 ≥/MPa
Elongation	11	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	188～452	-
HRC	30	-

Physical Properties

Thermal expansion	19-96	e-6/K
Thermal conductivity	56-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7337-2161	째C
Density	1571-7836	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)
T20843 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