EN 1.0031 Steel vs. AWS BNi-7

EN 1.0031 steel belongs to the iron alloys classification, while AWS BNi-7 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.0031 steel and the bottom bar is AWS BNi-7.

EN 1.0031 (E190) Non-Alloy Steel AWS BNi-7 (N99710) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		170

Poisson's Ratio		0.29
Poisson's Ratio		0.3

Shear Modulus, GPa		73
Shear Modulus, GPa		67

Tensile Strength: Ultimate (UTS), MPa		310
Tensile Strength: Ultimate (UTS), MPa		550

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		1470
Melting Completion (Liquidus), °C		890

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		890

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		490

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

Otherwise Unclassified Properties

Base Metal Price, % relative		1.8
Base Metal Price, % relative		55

Density, g/cm³		7.9
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		8.8

Embodied Energy, MJ/kg		18
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		45
Embodied Water, L/kg		240

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		11
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		9.8
Thermal Shock Resistance, points		21

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.050

Boron (B), %		0
Boron (B), %		0 to 0.010

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.060

Chromium (Cr), %		0
Chromium (Cr), %		13 to 15

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.1

Iron (Fe), %		98.8 to 100
Iron (Fe), %		0 to 0.2

Manganese (Mn), %		0 to 0.7
Manganese (Mn), %		0 to 0.040

Nickel (Ni), %		0
Nickel (Ni), %		73.3 to 77.3

Phosphorus (P), %		0 to 0.045
Phosphorus (P), %		9.7 to 10.5

Selenium (Se), %		0
Selenium (Se), %		0 to 0.0050

Silicon (Si), %		0 to 0.35
Silicon (Si), %		0 to 0.1

Sulfur (S), %		0 to 0.045
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.050

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.050

Residuals, %		0
Residuals, %		0 to 0.5