AWS E33-31 vs. EN 1.0034 Steel

Both AWS E33-31 and EN 1.0034 steel are iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 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 AWS E33-31 and the bottom bar is EN 1.0034 steel.

AWS E33-31 (W33310) Weld Metal EN 1.0034 (E195) Non-Alloy Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		29
Elongation at Break, %		9.0 to 32

Poisson's Ratio		0.27
Poisson's Ratio		0.29

Shear Modulus, GPa		81
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		810
Tensile Strength: Ultimate (UTS), MPa		340 to 380

Thermal Properties

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

Melting Completion (Liquidus), °C		1380
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		1330
Melting Onset (Solidus), °C		1420

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		1.8

Density, g/cm³		7.9
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		1.4

Embodied Energy, MJ/kg		86
Embodied Energy, MJ/kg		18

Embodied Water, L/kg		260
Embodied Water, L/kg		45

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		28
Strength to Weight: Axial, points		12 to 13

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		14 to 15

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		11 to 12

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0 to 0.15

Chromium (Cr), %		31 to 35
Chromium (Cr), %		0

Copper (Cu), %		0.4 to 0.8
Copper (Cu), %		0

Iron (Fe), %		24.7 to 34.8
Iron (Fe), %		98.7 to 100

Manganese (Mn), %		2.5 to 4.0
Manganese (Mn), %		0 to 0.7

Molybdenum (Mo), %		1.0 to 2.0
Molybdenum (Mo), %		0

Nickel (Ni), %		30 to 32
Nickel (Ni), %		0

Nitrogen (N), %		0.3 to 0.5
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.045

Silicon (Si), %		0 to 0.9
Silicon (Si), %		0 to 0.35

Sulfur (S), %		0 to 0.010
Sulfur (S), %		0 to 0.045