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AWS ERTi-12 vs. EN 1.4123 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4123 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
840
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1410
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
23
Thermal Expansion, µm/m-K 8.7
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
4.2
Embodied Energy, MJ/kg 510
62
Embodied Water, L/kg 110
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
26 to 29
Strength to Weight: Bending, points 30
23 to 25
Thermal Diffusivity, mm2/s 8.7
6.3
Thermal Shock Resistance, points 37
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.5
Chromium (Cr), % 0
14 to 16.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
76.7 to 84.6
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
1.0 to 2.5
Nickel (Ni), % 0.060 to 0.090
0 to 0.5
Nitrogen (N), % 0 to 0.015
0.1 to 0.3
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.147 to 99.66
0
Vanadium (V), % 0
0 to 1.5