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T9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T9

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SAE T9

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This page is mainly introduced the T9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T9,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High-Speed Tool Steel

Steel Garde:T9
Type:Tool Die Steels
Country:USA
Standard:SAE
Application:High-Speed Tool Steel

Relevant products:

X10CrWMoVNb9-2/P92...

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.22	1.28
Si	0.10	0.40
Mn	0.10	0.40
Cr	3.75	4.25
Mo		0.75
V	3.75	4.25
W	18.00	18.50

Mechanical Properties

Tensile strength	715～137	σb/MPa
Yield Strength	379	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	708～829	-
HRC	30	-

Physical Properties

Thermal expansion	93-81	e-6/K
Thermal conductivity	27-36	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1329-4281	째C
Density	8153-4776	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)
T9 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