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R30556 Alloy vs. EN 1.3558 Steel

Both R30556 alloy and EN 1.3558 steel are iron alloys. They have a modest 37% 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 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 780
770

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
490
Melting Completion (Liquidus), °C 1420
1810
Melting Onset (Solidus), °C 1330
1760
Specific Heat Capacity, J/kg-K 450
410
Thermal Conductivity, W/m-K 11
20
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
13
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
45
Density, g/cm3 8.4
9.3
Embodied Carbon, kg CO2/kg material 8.7
8.4
Embodied Energy, MJ/kg 130
130
Embodied Water, L/kg 300
90

Common Calculations

PREN (Pitting Resistance) 40
35
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 2.9
5.3
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.7 to 0.8
Chromium (Cr), % 21 to 23
3.9 to 4.3
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 20.4 to 38.2
73.7 to 77.6
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0 to 0.4
Molybdenum (Mo), % 2.5 to 4.0
0 to 0.6
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
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0.0010 to 0.1
0