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EN 1.6771 Steel vs. SAE-AISI 1012 Steel

Both EN 1.6771 steel and SAE-AISI 1012 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6771 steel and the bottom bar is SAE-AISI 1012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 350
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 8.7
21 to 31
Fatigue Strength, MPa 440 to 680
150 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 930 to 1180
360 to 400
Tensile Strength: Yield (Proof), MPa 740 to 1140
200 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 25
18
Embodied Water, L/kg 58
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 93
80 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 1460 to 3450
110 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33 to 41
13 to 14
Strength to Weight: Bending, points 27 to 31
14 to 15
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 27 to 35
11 to 13

Alloy Composition

Carbon (C), % 0.27 to 0.33
0.1 to 0.15
Chromium (Cr), % 0.8 to 1.2
0
Iron (Fe), % 92.2 to 95
99.16 to 99.6
Manganese (Mn), % 0.6 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 3.0 to 4.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.020
0 to 0.050

Comparable Variants