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EN 1.5508 Steel vs. EN 1.7386 Steel

Both EN 1.5508 steel and EN 1.7386 steel are iron alloys. They have 90% of their average alloy composition in common. There are 31 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 EN 1.5508 steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 20
18 to 21
Fatigue Strength, MPa 210 to 320
170 to 290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 300 to 360
340 to 410
Tensile Strength: Ultimate (UTS), MPa 420 to 1460
550 to 670
Tensile Strength: Yield (Proof), MPa 310 to 490
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
600
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
26
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 47
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 640
150 to 490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 52
20 to 24
Strength to Weight: Bending, points 16 to 36
19 to 22
Thermal Diffusivity, mm2/s 14
6.9
Thermal Shock Resistance, points 12 to 43
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0.080 to 0.15
Chromium (Cr), % 0 to 0.3
8.0 to 10
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 97.9 to 99.199
86.8 to 90.5
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0.25 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.010