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R30556 Alloy vs. EN 1.0920 Steel

Both R30556 alloy and EN 1.0920 steel are iron alloys. They have a modest 31% 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 EN 1.0920 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
23
Fatigue Strength, MPa 320
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 550
340
Tensile Strength: Ultimate (UTS), MPa 780
540
Tensile Strength: Yield (Proof), MPa 350
380

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
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
50
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.4
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.6
Embodied Energy, MJ/kg 130
22
Embodied Water, L/kg 300
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0.020 to 0.060
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0 to 0.2
Chromium (Cr), % 21 to 23
0 to 0.3
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 20.4 to 38.2
96.1 to 99.08
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0.9 to 1.7
Molybdenum (Mo), % 2.5 to 4.0
0 to 0.1
Nickel (Ni), % 19 to 22.5
0 to 0.5
Niobium (Nb), % 0 to 0.3
0 to 0.050
Nitrogen (N), % 0.1 to 0.3
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.2 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0.3 to 1.3
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 2.0 to 3.5
0
Vanadium (V), % 0
0 to 0.12
Zinc (Zn), % 0.0010 to 0.1
0