AWS E240 vs. EN 1.7034 Steel

Both AWS E240 and EN 1.7034 steel are iron alloys. They have 66% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is EN 1.7034 steel.

AWS E240 (W32410) Weld Metal EN 1.7034 (37Cr4) Chromium Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.28
Poisson's Ratio		0.29

Shear Modulus, GPa		77
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		770
Tensile Strength: Ultimate (UTS), MPa		510 to 1780

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		1390
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		1350
Melting Onset (Solidus), °C		1420

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

Thermal Conductivity, W/m-K		15
Thermal Conductivity, W/m-K		45

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		14
Base Metal Price, % relative		2.2

Density, g/cm³		7.7
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		3.0
Embodied Carbon, kg CO₂/kg material		1.4

Embodied Energy, MJ/kg		42
Embodied Energy, MJ/kg		19

Embodied Water, L/kg		160
Embodied Water, L/kg		50

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		18 to 63

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		18 to 42

Thermal Diffusivity, mm²/s		3.9
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		15 to 52

Alloy Composition

Carbon (C), %		0 to 0.060
Carbon (C), %		0.34 to 0.41

Chromium (Cr), %		17 to 19
Chromium (Cr), %		0.9 to 1.2

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

Iron (Fe), %		58.6 to 68.4
Iron (Fe), %		97 to 98.2

Manganese (Mn), %		10.5 to 13.5
Manganese (Mn), %		0.6 to 0.9

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

Nickel (Ni), %		4.0 to 6.0
Nickel (Ni), %		0

Nitrogen (N), %		0.1 to 0.3
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.035

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.4

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.035