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EN 1.4931 Steel vs. EN 1.5503 Steel

Both EN 1.4931 steel and EN 1.5503 steel are iron alloys. They have 86% of their average alloy composition in common. 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 EN 1.4931 steel and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
12 to 17
Fatigue Strength, MPa 410
180 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 810
400 to 520
Tensile Strength: Yield (Proof), MPa 620
270 to 430

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
52
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 42
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 970
200 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
14 to 19
Strength to Weight: Bending, points 25
15 to 18
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 22
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.2 to 0.26
0.16 to 0.2
Chromium (Cr), % 11.3 to 12.2
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83.2 to 86.8
98.4 to 99.239
Manganese (Mn), % 0.5 to 0.8
0.6 to 0.8
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0