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SAE-AISI 1090 Steel vs. EN 1.8505 Steel

Both SAE-AISI 1090 steel and EN 1.8505 steel are iron alloys. They have a very high 97% 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 SAE-AISI 1090 steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 280
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
13
Fatigue Strength, MPa 320 to 380
540
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 470 to 570
630
Tensile Strength: Ultimate (UTS), MPa 790 to 950
1050
Tensile Strength: Yield (Proof), MPa 520 to 610
860

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 46
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 91
120
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
1950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 34
37
Strength to Weight: Bending, points 24 to 27
30
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 25 to 31
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.85 to 1.0
0.28 to 0.35
Chromium (Cr), % 0
1.5 to 1.8
Iron (Fe), % 98 to 98.6
95.4 to 97.1
Manganese (Mn), % 0.6 to 0.9
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.035