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R30556 Alloy vs. EN 1.7376 Steel

Both R30556 alloy and EN 1.7376 steel are iron alloys. They have 41% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is EN 1.7376 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
20
Fatigue Strength, MPa 320
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 780
710
Tensile Strength: Yield (Proof), MPa 350
460

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
26
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
6.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
2.1
Embodied Energy, MJ/kg 130
29
Embodied Water, L/kg 300
88

Common Calculations

PREN (Pitting Resistance) 40
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
130
Resilience: Unit (Modulus of Resilience), kJ/m3 290
560
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 2.9
6.9
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.12 to 0.19
Chromium (Cr), % 21 to 23
8.0 to 10
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 20.4 to 38.2
86.2 to 90.6
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0.35 to 0.65
Molybdenum (Mo), % 2.5 to 4.0
0.9 to 1.2
Nickel (Ni), % 19 to 22.5
0 to 0.4
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.2 to 0.8
0 to 1.0
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
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0.0010 to 0.1
0