SAE-AISI D4 (T30404) Chromium Cold-Work Steel
Tool Steels
Property Overview
Density7.7g/cm³
Elastic Modulus190GPa
Tensile Strength760 to 2060MPa
Yield Strength470 to 1540MPa
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
2.1 to 2.4%
CR
11 to 13%
NI
0 to 0.3%
MO
0.7 to 1.2%
MN
0 to 0.6%
SI
0 to 0.6%
P
0 to 0.030%
S
0 to 0.030%
CU
0 to 0.25%
V
0 to 1.0%
FE
80.6 to 86.3%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
8.4 to 15 %
Fatigue Strength
310 to 920 MPa
Poisson's Ratio
0.28
Shear Modulus
74 GPa
Shear Strength
460 to 1210 MPa
Tensile Strength: Ultimate (UTS)
760 to 2060 MPa
Tensile Strength: Yield (Proof)
470 to 1540 MPa
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Melting Completion (Liquidus)
1430 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
31 W/m-K
Thermal Diffusivity
8.3 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
23 to 63 points
Electrical
Electrical Conductivity: Equal Volume
4.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
5.0 % IACS
Calculated
PREN (Pitting Resistance)
15
Resilience: Ultimate (Unit Rupture Work)
100 to 160 MJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
27 to 75 points
Strength to Weight: Bending
24 to 47 points
Environmental
Base Metal Price
8.0 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
49 MJ/kg
Embodied Energy
49 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
100 L/kg
Embodied Water
100 L/kg 12 gal/lb
Registered Designations & Aliases
SAE-AISI D4 (T30404) Chromium Cold-Work SteelT30404
Standards
ASTM A681 ASTM A681: Standard Specification for Tool Steels Alloy
ASTM A681 ASTM A681: Standard Specification for Tool Steels Alloy Tool Steels, 5th ed., George Roberts et al., 1998 Tool Steels: Properties and Performance, Rafael A. Mesquita (editor), 2016