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R30556 Alloy vs. SAE-AISI 1095 Steel

Both R30556 alloy and SAE-AISI 1095 steel are iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 R30556 alloy and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
10 to 11
Fatigue Strength, MPa 320
310 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 550
400 to 540
Tensile Strength: Ultimate (UTS), MPa 780
680 to 900
Tensile Strength: Yield (Proof), MPa 350
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
47
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.4
Embodied Energy, MJ/kg 130
19
Embodied Water, L/kg 300
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 290
660 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
24 to 32
Strength to Weight: Bending, points 22
22 to 26
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 18
22 to 29

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.9 to 1.0
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
98.4 to 98.8
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0