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W2-A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W2-A

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SAE W2-A

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This page is mainly introduced the W2-A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W2-A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T72301

Steel Garde:W2-A
Type:Tool Die Steels
Country:USA
Standard:SAE
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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
T72301	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.85	1.50
Mn	0.10	0.40
P		0.030
S		0.030
Si	0.10	0.40
Ni		0.20
Cr		0.15
Mo		0.10
Cu		0.20
V	0.15	0.35
W		0.15

Mechanical Properties

Tensile strength	580～085	σb/MPa
Yield Strength	739	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	352～598	-
HRC	30	-

Physical Properties

Thermal expansion	86-10	e-6/K
Thermal conductivity	92-55	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3850-3348	째C
Density	4325-7026	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)
W2-A 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