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T72305 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T72305

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AISI T72305

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This page is mainly introduced the T72305 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T72305,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T72305

Steel Garde:T72305
Type:Tool Die Steels
Country:USA
Standard:AISI
Standard Number:

ITEM Standard Number Descriptions

1 ASTM A686-1999 Carbon tool steel
Application:Carbon tool steel

ITEM	Standard Number	Descriptions
1	ASTM A686-1999	Carbon tool steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.05	1.15
Si	0.10	0.40
Mn	0.10	0.40
P		0.030
S		0.030
Cr	0.40	0.60
V		0.10
Ni		0.20
Cu		0.20
W		0.15
Mo		0.10

Mechanical Properties

Tensile strength	381～080	σb/MPa
Yield Strength	442	σ 0.2 ≥/MPa
Elongation	27	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	660～791	-
HRC	30	-

Physical Properties

Thermal expansion	70-72	e-6/K
Thermal conductivity	53-03	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8718-8466	째C
Density	6262-5028	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)
T72305 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