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EN 1.4415 Stainless Steel vs. AWS ERTi-7

EN 1.4415 stainless steel belongs to the iron alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 28 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 EN 1.4415 stainless steel and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17 to 20
20
Fatigue Strength, MPa 470 to 510
190
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 830 to 930
340
Tensile Strength: Yield (Proof), MPa 730 to 840
280

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 790
320
Melting Completion (Liquidus), °C 1460
1670
Melting Onset (Solidus), °C 1420
1620
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 19
21
Thermal Expansion, µm/m-K 9.9
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.6
47
Embodied Energy, MJ/kg 51
800
Embodied Water, L/kg 120
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
64
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 29 to 33
21
Strength to Weight: Bending, points 25 to 27
24
Thermal Diffusivity, mm2/s 5.1
8.8
Thermal Shock Resistance, points 30 to 34
26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 11.5 to 13.5
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 75.9 to 82.4
0 to 0.12
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.010
99.417 to 99.8
Vanadium (V), % 0.1 to 0.5
0