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AWS ERTi-1 vs. EN 1.4474 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while EN 1.4474 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-1 and the bottom bar is EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 24
23
Fatigue Strength, MPa 120
320
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 240
670
Tensile Strength: Yield (Proof), MPa 170
480

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
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
17
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
3.4
Embodied Energy, MJ/kg 510
48
Embodied Water, L/kg 110
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
560
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 8.7
4.6
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 0
25 to 27
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
61.2 to 69.1
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.3 to 2.0
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0 to 0.012
0.12 to 0.2
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 99.773 to 99.97
0