EN 1.7102 Steel vs. AWS BNi-7

EN 1.7102 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7102 steel and the bottom bar is AWS BNi-7.

EN 1.7102 (54SiCr6) Silicon-Chromium 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		72
Shear Modulus, GPa		67

Tensile Strength: Ultimate (UTS), MPa		670 to 2010
Tensile Strength: Ultimate (UTS), MPa		550

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		1440
Melting Completion (Liquidus), °C		890

Melting Onset (Solidus), °C		1400
Melting Onset (Solidus), °C		890

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		490

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		2.2
Base Metal Price, % relative		55

Density, g/cm³		7.7
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		8.8

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		48
Embodied Water, L/kg		240

Common Calculations

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

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		24 to 72
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		22 to 46
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		20 to 60
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), %		0.51 to 0.59
Carbon (C), %		0 to 0.060

Chromium (Cr), %		0.5 to 0.8
Chromium (Cr), %		13 to 15

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

Iron (Fe), %		96.2 to 97.3
Iron (Fe), %		0 to 0.2

Manganese (Mn), %		0.5 to 0.8
Manganese (Mn), %		0 to 0.040

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

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		9.7 to 10.5

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

Silicon (Si), %		1.2 to 1.6
Silicon (Si), %		0 to 0.1

Sulfur (S), %		0 to 0.025
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