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SAE-AISI D3 Steel vs. ASTM A225 Steel

Both SAE-AISI D3 steel and ASTM A225 steel are iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D3 steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.8 to 15
21 to 23
Fatigue Strength, MPa 310 to 940
330 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 470 to 1220
390 to 520
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
620 to 830
Tensile Strength: Yield (Proof), MPa 480 to 1550
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.8
Embodied Energy, MJ/kg 48
24 to 25
Embodied Water, L/kg 100
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
120 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 74
22 to 29
Strength to Weight: Bending, points 24 to 47
21 to 25
Thermal Diffusivity, mm2/s 8.3
14
Thermal Shock Resistance, points 23 to 63
18 to 24

Comparable Variants