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AWS E70C-Ni2 vs. SAE-AISI 1055 Steel

Both AWS E70C-Ni2 and SAE-AISI 1055 steel are iron alloys. They have a very high 97% 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 AWS E70C-Ni2 and the bottom bar is SAE-AISI 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
11 to 14
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 560
730 to 750
Tensile Strength: Yield (Proof), MPa 450
400 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 22
18
Embodied Water, L/kg 51
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
80 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 540
440 to 1070
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 17
23 to 24

Alloy Composition

Carbon (C), % 0 to 0.080
0.5 to 0.6
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 94.1 to 98.3
98.4 to 98.9
Manganese (Mn), % 0 to 1.3
0.6 to 0.9
Nickel (Ni), % 1.8 to 2.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0