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R30556 Alloy vs. EN 1.8063 Steel

Both R30556 alloy and EN 1.8063 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 1.8063 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
72
Tensile Strength: Ultimate (UTS), MPa 780
670 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 11
42
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.6
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.7
1.6
Embodied Energy, MJ/kg 130
21
Embodied Water, L/kg 300
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
24 to 71
Strength to Weight: Bending, points 22
22 to 45
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 18
20 to 59

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.46 to 0.54
Chromium (Cr), % 21 to 23
0.8 to 1.1
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
95.2 to 96.4
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 2.5 to 4.0
0.2 to 0.35
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 0.025
Silicon (Si), % 0.2 to 0.8
1.4 to 1.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0