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AWS ERTi-1 vs. EN 1.4477 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while EN 1.4477 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 24
22 to 23
Fatigue Strength, MPa 120
420 to 490
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 240
880 to 930
Tensile Strength: Yield (Proof), MPa 170
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1670
1430
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
13
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
20
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
3.7
Embodied Energy, MJ/kg 510
52
Embodied Water, L/kg 110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 140
940 to 1290
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 15
31 to 33
Strength to Weight: Bending, points 19
26 to 27
Thermal Diffusivity, mm2/s 8.7
3.5
Thermal Shock Resistance, points 19
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0
0 to 0.8
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
56.6 to 63.6
Manganese (Mn), % 0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0 to 0.012
0.3 to 0.4
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.773 to 99.97
0