S15500 Stainless Steel vs. Grade 15 Babbitt Metal

S15500 stainless steel belongs to the iron alloys classification, while grade 15 Babbitt Metal belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is grade 15 Babbitt Metal.

UNS S15500 (15-5 PH, 1.4545, XM-12) Stainless Steel Grade 15 (L53620) Lead-Base Babbitt Metal

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		290 to 430
Brinell Hardness		21

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		23

Poisson's Ratio		0.28
Poisson's Ratio		0.4

Shear Modulus, GPa		75
Shear Modulus, GPa		8.2

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		46

Melting Completion (Liquidus), °C		1430
Melting Completion (Liquidus), °C		280

Melting Onset (Solidus), °C		1380
Melting Onset (Solidus), °C		250

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		140

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		26

Otherwise Unclassified Properties

Base Metal Price, % relative		13
Base Metal Price, % relative		17

Density, g/cm³		7.8
Density, g/cm³		10

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		39
Embodied Energy, MJ/kg		47

Embodied Water, L/kg		130
Embodied Water, L/kg		840

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		1.2

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		9.0

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0
Antimony (Sb), %		14.5 to 17.5

Arsenic (As), %		0
Arsenic (As), %		0.8 to 1.4

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.1

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.050

Carbon (C), %		0 to 0.070
Carbon (C), %		0

Chromium (Cr), %		14 to 15.5
Chromium (Cr), %		0

Copper (Cu), %		2.5 to 4.5
Copper (Cu), %		0 to 0.6

Iron (Fe), %		71.9 to 79.9
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0
Lead (Pb), %		79 to 83.9

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0

Nickel (Ni), %		3.5 to 5.5
Nickel (Ni), %		0

Niobium (Nb), %		0.15 to 0.45
Niobium (Nb), %		0

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

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

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

Tin (Sn), %		0
Tin (Sn), %		0.8 to 1.2

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.0050