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EN 1.3975 Stainless Steel vs. AWS ERTi-7

EN 1.3975 stainless steel belongs to the iron alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 27
20
Fatigue Strength, MPa 230
190
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 660
340
Tensile Strength: Yield (Proof), MPa 320
280

Thermal Properties

Latent Heat of Fusion, J/g 340
420
Maximum Temperature: Mechanical, °C 910
320
Melting Completion (Liquidus), °C 1360
1670
Melting Onset (Solidus), °C 1320
1620
Specific Heat Capacity, J/kg-K 500
540
Thermal Expansion, µm/m-K 16
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.5
4.5
Embodied Carbon, kg CO2/kg material 3.3
47
Embodied Energy, MJ/kg 47
800
Embodied Water, L/kg 150
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
64
Resilience: Unit (Modulus of Resilience), kJ/m3 270
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
26

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 58.2 to 65.4
0 to 0.12
Manganese (Mn), % 7.0 to 9.0
0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.417 to 99.8