Sitemap | E-mail:sales@steelgs.com

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

Location » Home » Grades > Tool Die Steels > T20843

Contact

+86-13880247006

E-mail: sales@longhaisteel.com

UNS T20843

Profile

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.
Hot-Work Tool Steel

Steel Garde:T20843
Type:Tool Die Steels
Country:USA
Standard:UNS
Application:Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
T20843	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.50	0.65
Si	0.20	0.45
Mn	0.20	0.40
Cr	3.75	4.50
Mo	7.75	8.50
V	1.80	2.20
W

Mechanical Properties

Tensile strength	359～150	σb/MPa
Yield Strength	565	σ 0.2 ≥/MPa
Elongation	25	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	292～878	-
HRC	30	-

Physical Properties

Thermal expansion	16-39	e-6/K
Thermal conductivity	58-72	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4355-2128	째C
Density	9084-1491	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 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