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N08800 Stainless Steel vs. AWS ERTi-7

N08800 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 N08800 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, % 4.5 to 34
20
Fatigue Strength, MPa 150 to 390
190
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
340
Tensile Strength: Yield (Proof), MPa 190 to 830
280

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1390
1670
Melting Onset (Solidus), °C 1360
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 14
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 5.3
47
Embodied Energy, MJ/kg 76
800
Embodied Water, L/kg 200
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 160
64
Resilience: Unit (Modulus of Resilience), kJ/m3 96 to 1740
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 18 to 35
21
Strength to Weight: Bending, points 18 to 28
24
Thermal Diffusivity, mm2/s 3.0
8.8
Thermal Shock Resistance, points 13 to 25
26

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 39.5 to 50.7
0 to 0.12
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 30 to 35
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 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.15 to 0.6
99.417 to 99.8