AWS ERTi-1 vs. S45503 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while S45503 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		24
Elongation at Break, %		4.6 to 6.8

Fatigue Strength, MPa		120
Fatigue Strength, MPa		710 to 800

Poisson's Ratio		0.32
Poisson's Ratio		0.28

Shear Modulus, GPa		41
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		240
Tensile Strength: Ultimate (UTS), MPa		1610 to 1850

Tensile Strength: Yield (Proof), MPa		170
Tensile Strength: Yield (Proof), MPa		1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g		420
Latent Heat of Fusion, J/g		270

Maximum Temperature: Mechanical, °C		320
Maximum Temperature: Mechanical, °C		760

Melting Completion (Liquidus), °C		1670
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		1620
Melting Onset (Solidus), °C		1400

Specific Heat Capacity, J/kg-K		540
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		8.7
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		37
Base Metal Price, % relative		15

Density, g/cm³		4.5
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		31
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		510
Embodied Energy, MJ/kg		48

Embodied Water, L/kg		110
Embodied Water, L/kg		120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		52
Resilience: Ultimate (Unit Rupture Work), MJ/m³		82 to 110

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		35
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		15
Strength to Weight: Axial, points		57 to 65

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		39 to 43

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		56 to 64

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0 to 0.010

Chromium (Cr), %		0
Chromium (Cr), %		11 to 12.5

Copper (Cu), %		0
Copper (Cu), %		1.5 to 2.5

Hydrogen (H), %		0 to 0.0050
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.080
Iron (Fe), %		72.4 to 78.9

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		0
Nickel (Ni), %		7.5 to 9.5

Niobium (Nb), %		0
Niobium (Nb), %		0.1 to 0.5

Nitrogen (N), %		0 to 0.012
Nitrogen (N), %		0

Oxygen (O), %		0.030 to 0.1
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0
Silicon (Si), %		0 to 0.2

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		99.773 to 99.97
Titanium (Ti), %		1.0 to 1.4