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AWS ERTi-12 vs. N08028 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while N08028 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
45
Fatigue Strength, MPa 200
220
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 480
570
Tensile Strength: Yield (Proof), MPa 340
240

Thermal Properties

Latent Heat of Fusion, J/g 420
320
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1370
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 8.7
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
37
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
6.4
Embodied Energy, MJ/kg 510
89
Embodied Water, L/kg 110
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
210
Resilience: Unit (Modulus of Resilience), kJ/m3 550
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 30
19
Strength to Weight: Bending, points 30
19
Thermal Diffusivity, mm2/s 8.7
3.2
Thermal Shock Resistance, points 37
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
29 to 40.4
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0.2 to 0.4
3.0 to 4.0
Nickel (Ni), % 0.060 to 0.090
30 to 34
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.147 to 99.66
0