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EN 1.4931 Steel vs. EN 1.5521 Steel

Both EN 1.4931 steel and EN 1.5521 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 1.5521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 21
Fatigue Strength, MPa 410
210 to 310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 810
430 to 1390
Tensile Strength: Yield (Proof), MPa 620
300 to 490

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
51
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 970
250 to 630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
15 to 49
Strength to Weight: Bending, points 25
16 to 35
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 22
13 to 41

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 to 98.9
Manganese (Mn), % 0.5 to 0.8
0.9 to 1.2
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