AWS E312 vs. AWS ENi-1

AWS E312 belongs to the iron alloys classification, while AWS ENi-1 belongs to the nickel alloys. There are 20 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 E312 and the bottom bar is AWS ENi-1.

AWS E312 (W31310) Weld Metal AWS ENi-1 (W82141) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		180

Elongation at Break, %		25
Elongation at Break, %		22

Poisson's Ratio		0.27
Poisson's Ratio		0.31

Shear Modulus, GPa		80
Shear Modulus, GPa		69

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		470

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		1310

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		20
Base Metal Price, % relative		60

Density, g/cm³		7.7
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		11

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		150

Embodied Water, L/kg		200
Embodied Water, L/kg		230

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		15

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		15

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		17

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		0 to 1.0

Carbon (C), %		0 to 0.15
Carbon (C), %		0 to 0.1

Chromium (Cr), %		28 to 32
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.75
Copper (Cu), %		0 to 0.25

Iron (Fe), %		52.3 to 63.5
Iron (Fe), %		0 to 0.75

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0 to 0.75

Molybdenum (Mo), %		0 to 0.75
Molybdenum (Mo), %		0

Nickel (Ni), %		8.0 to 10.5
Nickel (Ni), %		92 to 99

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 1.3

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		1.0 to 4.0

Residuals, %		0
Residuals, %		0 to 0.5