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

Location » Home » Grades > Tool Die Steels > D2

ASTM D2

Profile

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
A 681 D2 ASTM USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
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 034~026 σb/MPa
Yield Strength 839 σ 0.2 ≥/MPa
Elongation 30 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 914~147 -
HRC 30 -

Physical Properties

Thermal expansion 36-06 e-6/K
Thermal conductivity 34-44 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7617-8198 째C
Density 9670-0329 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

Technical specification/standard for download

Hot keywords:D2
Previous: T30402
Next: T30403