SAE-AISI 1118 Steel vs. AWS ERNiMo-3

SAE-AISI 1118 steel belongs to the iron alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1118 steel and the bottom bar is AWS ERNiMo-3.

SAE-AISI 1118 (G11180) Carbon Steel AWS ERNiMo-3 Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.29
Poisson's Ratio		0.3

Shear Modulus, GPa		73
Shear Modulus, GPa		83

Tensile Strength: Ultimate (UTS), MPa		490
Tensile Strength: Ultimate (UTS), MPa		770

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1600

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1540

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		400

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		1.9
Base Metal Price, % relative		70

Density, g/cm³		7.8
Density, g/cm³		9.1

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		15

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		190

Embodied Water, L/kg		47
Embodied Water, L/kg		270

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		18
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		24

Alloy Composition

Carbon (C), %		0.14 to 0.2
Carbon (C), %		0 to 0.12

Chromium (Cr), %		0
Chromium (Cr), %		4.0 to 6.0

Cobalt (Co), %		0
Cobalt (Co), %		0 to 2.5

Copper (Cu), %		0
Copper (Cu), %		0 to 0.5

Iron (Fe), %		98 to 98.5
Iron (Fe), %		4.0 to 7.0

Manganese (Mn), %		1.3 to 1.6
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		23 to 26

Nickel (Ni), %		0
Nickel (Ni), %		53.7 to 69

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0.080 to 0.13
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		0 to 1.0

Vanadium (V), %		0
Vanadium (V), %		0 to 0.6

Residuals, %		0
Residuals, %		0 to 0.5