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R30556 Alloy vs. EN 1.8522 Steel

Both R30556 alloy and EN 1.8522 steel are iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is EN 1.8522 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
74
Tensile Strength: Ultimate (UTS), MPa 780
730 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
470
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
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
4.2
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
2.2
Embodied Energy, MJ/kg 130
31
Embodied Water, L/kg 300
63

Common Calculations

PREN (Pitting Resistance) 40
6.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
26 to 44
Strength to Weight: Bending, points 22
23 to 33
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 18
21 to 36

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.29 to 0.36
Chromium (Cr), % 21 to 23
2.8 to 3.3
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 20.4 to 38.2
93.7 to 96
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.5 to 4.0
0.7 to 1.2
Nickel (Ni), % 19 to 22.5
0 to 0.3
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
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 0.035
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Vanadium (V), % 0
0.15 to 0.25
Zinc (Zn), % 0.0010 to 0.1
0