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D2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of D2

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ASTM D2

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This page is mainly introduced the D2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of D2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold-Work Tool Steel

Steel Garde:D2
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:Cold-Work Tool Steel

Relevant products:

D2 Round Bar

D2 forging Hollow bar

SKD11(D2, 1.2379,...

D2(Cr12Mo1V1) Hot Rolled Plate

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 681 D2	ASTM	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.40	1.60
Si	0.10	0.60
Mn	0.20	0.60
P		0.030
S		0.030
Cr	11.00	13.00
Mo	0.70	1.20
V	0.50	1.10
W
Ni＋Cu		0.75

Mechanical Properties

Tensile strength	455～720	σb/MPa
Yield Strength	125	σ 0.2 ≥/MPa
Elongation	19	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	729～389	-
HRC	30	-

Physical Properties

Thermal expansion	35-75	e-6/K
Thermal conductivity	20-62	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8886-0481	째C
Density	9249-1196	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)
D2 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