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EN 1.4855 Stainless Steel vs. AWS ERTi-7

EN 1.4855 stainless steel belongs to the iron alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 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, % 4.6
20
Fatigue Strength, MPa 120
190
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 500
340
Tensile Strength: Yield (Proof), MPa 250
280

Thermal Properties

Latent Heat of Fusion, J/g 320
420
Maximum Temperature: Mechanical, °C 1050
320
Melting Completion (Liquidus), °C 1400
1670
Melting Onset (Solidus), °C 1350
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 16
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 5.9
47
Embodied Energy, MJ/kg 85
800
Embodied Water, L/kg 200
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
64
Resilience: Unit (Modulus of Resilience), kJ/m3 160
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 3.7
8.8
Thermal Shock Resistance, points 11
26

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 23 to 25
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 42.6 to 51.9
0 to 0.12
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 25
0
Niobium (Nb), % 0.8 to 1.8
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), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.417 to 99.8