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S33550 Stainless Steel vs. AWS ERTi-12

S33550 stainless steel belongs to the iron alloys classification, while AWS ERTi-12 belongs to the titanium alloys. There are 29 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 S33550 stainless steel and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
12
Fatigue Strength, MPa 270
200
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
41
Tensile Strength: Ultimate (UTS), MPa 680
480
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1400
1670
Melting Onset (Solidus), °C 1360
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.3
31
Embodied Energy, MJ/kg 61
510
Embodied Water, L/kg 190
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
52
Resilience: Unit (Modulus of Resilience), kJ/m3 250
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 3.9
8.7
Thermal Shock Resistance, points 15
37

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 48.8 to 58.2
0 to 0.15
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 16.5 to 20
0.060 to 0.090
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.147 to 99.66