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AWS ERTi-12 vs. EN 1.4515 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4515 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.4515 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
25
Fatigue Strength, MPa 200
380
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 480
730
Tensile Strength: Yield (Proof), MPa 340
550

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1670
1440
Melting Onset (Solidus), °C 1620
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
19
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
3.8
Embodied Energy, MJ/kg 510
53
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
170
Resilience: Unit (Modulus of Resilience), kJ/m3 550
730
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
26
Strength to Weight: Bending, points 30
23
Thermal Diffusivity, mm2/s 8.7
4.3
Thermal Shock Resistance, points 37
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 0
0.8 to 1.3
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
58.4 to 66.6
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
2.5 to 3.5
Nickel (Ni), % 0.060 to 0.090
5.5 to 7.0
Nitrogen (N), % 0 to 0.015
0.12 to 0.25
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.147 to 99.66
0