SAE-AISI 5150 Steel vs. AWS BNi-2

SAE-AISI 5150 steel belongs to the iron alloys classification, while AWS BNi-2 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 SAE-AISI 5150 steel and the bottom bar is AWS BNi-2.

SAE-AISI 5150 (G51500) Chromium Steel AWS BNi-2 (N99620) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		180

Poisson's Ratio		0.29
Poisson's Ratio		0.3

Shear Modulus, GPa		73
Shear Modulus, GPa		68

Tensile Strength: Ultimate (UTS), MPa		580
Tensile Strength: Ultimate (UTS), MPa		440

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		360

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1000

Melting Onset (Solidus), °C		1410
Melting Onset (Solidus), °C		970

Specific Heat Capacity, J/kg-K		470
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		2.1
Base Metal Price, % relative		55

Density, g/cm³		7.8
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		9.3

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		130

Embodied Water, L/kg		49
Embodied Water, L/kg		230

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		20
Strength to Weight: Axial, points		15

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		16

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		16

Alloy Composition

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

Boron (B), %		0
Boron (B), %		2.8 to 3.5

Carbon (C), %		0.48 to 0.53
Carbon (C), %		0 to 0.060

Chromium (Cr), %		0.7 to 0.9
Chromium (Cr), %		6.0 to 8.0

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

Iron (Fe), %		97.2 to 98
Iron (Fe), %		2.5 to 3.5

Manganese (Mn), %		0.7 to 0.9
Manganese (Mn), %		0

Nickel (Ni), %		0
Nickel (Ni), %		79.1 to 84.8

Phosphorus (P), %		0 to 0.035
Phosphorus (P), %		0 to 0.020

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

Silicon (Si), %		0.15 to 0.35
Silicon (Si), %		4.0 to 5.0

Sulfur (S), %		0 to 0.040
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