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SAE-AISI D3 Steel vs. R30556 Alloy

Both SAE-AISI D3 steel and R30556 alloy are iron alloys. They have 43% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D3 steel and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 9.8 to 15
45
Fatigue Strength, MPa 310 to 940
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
81
Shear Strength, MPa 470 to 1220
550
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
780
Tensile Strength: Yield (Proof), MPa 480 to 1550
350

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 31
11
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.2
8.7
Embodied Energy, MJ/kg 48
130
Embodied Water, L/kg 100
300

Common Calculations

PREN (Pitting Resistance) 13
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 74
26
Strength to Weight: Bending, points 24 to 47
22
Thermal Diffusivity, mm2/s 8.3
2.9
Thermal Shock Resistance, points 23 to 63
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 2.0 to 2.4
0.050 to 0.15
Chromium (Cr), % 11 to 13.5
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.3 to 87
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0 to 0.6
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.3
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0.2 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tungsten (W), % 0 to 1.0
2.0 to 3.5
Vanadium (V), % 0 to 1.0
0
Zinc (Zn), % 0
0.0010 to 0.1