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R30556 Alloy vs. EN 1.3566 Steel

Both R30556 alloy and EN 1.3566 steel are iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is EN 1.3566 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 780
490 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
45
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.5
Embodied Energy, MJ/kg 130
20
Embodied Water, L/kg 300
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
17 to 49
Strength to Weight: Bending, points 22
17 to 35
Thermal Diffusivity, mm2/s 2.9
12
Thermal Shock Resistance, points 18
14 to 40

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0 to 0.050
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.12 to 0.18
Chromium (Cr), % 21 to 23
0.9 to 1.2
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 20.4 to 38.2
96.8 to 98.4
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 2.5 to 4.0
0.15 to 0.25
Nickel (Ni), % 19 to 22.5
0
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.2 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0