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T72302 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T72302

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AISI T72302

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This page is mainly introduced the T72302 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T72302,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T72302

Steel Garde:T72302
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 products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.

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

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.70	1.50
Si	0.10	0.40
Mn	0.10	0.40
P
S
Cr		0.30
V		0.10
Mo		0.10
Cu		0.20
W		0.15

Mechanical Properties

Tensile strength	618～790	σb/MPa
Yield Strength	283	σ 0.2 ≥/MPa
Elongation	49	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	666～330	-
HRC	30	-

Physical Properties

Thermal expansion	98-69	e-6/K
Thermal conductivity	29-67	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0475-0454	째C
Density	2329-0489	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)
T72302 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