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EN 1.8505 Steel vs. SAE-AISI 1070 Steel

Both EN 1.8505 steel and SAE-AISI 1070 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 EN 1.8505 steel and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
10 to 13
Fatigue Strength, MPa 540
270 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 630
380 to 460
Tensile Strength: Ultimate (UTS), MPa 1050
640 to 760
Tensile Strength: Yield (Proof), MPa 860
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
12

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
470 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
23 to 27
Strength to Weight: Bending, points 30
21 to 24
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 31
21 to 25

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.65 to 0.75
Chromium (Cr), % 1.5 to 1.8
0
Iron (Fe), % 95.4 to 97.1
98.3 to 98.8
Manganese (Mn), % 0.4 to 0.7
0.6 to 0.9
Molybdenum (Mo), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0 to 0.050