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EN 1.5520 Steel vs. EN 1.6957 Steel

Both EN 1.5520 steel and EN 1.6957 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.5520 steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 170
280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
18
Fatigue Strength, MPa 210 to 300
530
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 75
46
Shear Modulus, GPa 73
73
Shear Strength, MPa 290 to 340
570
Tensile Strength: Ultimate (UTS), MPa 410 to 1410
930
Tensile Strength: Yield (Proof), MPa 300 to 480
780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
450
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 50
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.1
Embodied Energy, MJ/kg 19
29
Embodied Water, L/kg 48
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 230
160
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 600
1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 50
33
Strength to Weight: Bending, points 16 to 36
27
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 12 to 41
27

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0.22 to 0.32
Chromium (Cr), % 0 to 0.3
1.2 to 1.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.7 to 98.9
92.7 to 94.7
Manganese (Mn), % 0.9 to 1.2
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0
3.4 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.3
0 to 0.15
Sulfur (S), % 0 to 0.025
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15