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AWS ERTi-5 vs. EN 1.4911 Stainless Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.4911 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-5 and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
11
Fatigue Strength, MPa 470
530
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 900
1070
Tensile Strength: Yield (Proof), MPa 830
970

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 340
700
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
20
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
20
Density, g/cm3 4.4
7.9
Embodied Carbon, kg CO2/kg material 38
3.4
Embodied Energy, MJ/kg 610
49
Embodied Water, L/kg 200
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
2410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
38
Strength to Weight: Bending, points 46
30
Thermal Diffusivity, mm2/s 2.9
5.4
Thermal Shock Resistance, points 63
37

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0 to 0.050
0.050 to 0.12
Chromium (Cr), % 0
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
75.7 to 83.8
Manganese (Mn), % 0
0.3 to 1.3
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
0.2 to 1.2
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0 to 0.030
0 to 0.035
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.1 to 0.8
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 88.2 to 90.9
0
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 3.5 to 4.5
0.1 to 0.4