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EN 1.5510 Steel vs. EN 1.5508 Steel

Both EN 1.5510 steel and EN 1.5508 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5510 steel and the bottom bar is EN 1.5508 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 190
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
11 to 20
Fatigue Strength, MPa 220 to 330
210 to 320
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 72
62 to 74
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 380
300 to 360
Tensile Strength: Ultimate (UTS), MPa 450 to 1600
420 to 1460
Tensile Strength: Yield (Proof), MPa 310 to 520
310 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 51
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 46 to 260
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 710
260 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 57
15 to 52
Strength to Weight: Bending, points 17 to 39
16 to 36
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13 to 47
12 to 43

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0.00080 to 0.0050
Carbon (C), % 0.25 to 0.3
0.2 to 0.25
Chromium (Cr), % 0 to 0.3
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 97.9 to 99.149
97.9 to 99.199
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants