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SAE-AISI 1070 Steel vs. AWS E90C-D2

Both SAE-AISI 1070 steel and AWS E90C-D2 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1070 steel and the bottom bar is AWS E90C-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 13
19
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 640 to 760
690
Tensile Strength: Yield (Proof), MPa 420 to 560
620

Thermal Properties

Latent Heat of Fusion, J/g 250
250
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 50
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 46
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 86
130
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 850
1010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 27
25
Strength to Weight: Bending, points 21 to 24
22
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 21 to 25
20

Alloy Composition

Carbon (C), % 0.65 to 0.75
0 to 0.12
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 98.3 to 98.8
95.5 to 98.6
Manganese (Mn), % 0.6 to 0.9
1.0 to 1.9
Molybdenum (Mo), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.9
Sulfur (S), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5