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S33550 Stainless Steel vs. AWS ERTi-5

S33550 stainless steel belongs to the iron alloys classification, while AWS ERTi-5 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-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
10
Fatigue Strength, MPa 270
470
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 680
900
Tensile Strength: Yield (Proof), MPa 310
830

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
340
Melting Completion (Liquidus), °C 1400
1610
Melting Onset (Solidus), °C 1360
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 15
7.1
Thermal Expansion, µm/m-K 16
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 4.3
38
Embodied Energy, MJ/kg 61
610
Embodied Water, L/kg 190
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
87
Resilience: Unit (Modulus of Resilience), kJ/m3 250
3250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24
56
Strength to Weight: Bending, points 22
46
Thermal Diffusivity, mm2/s 3.9
2.9
Thermal Shock Resistance, points 15
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.040 to 0.1
0 to 0.050
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 48.8 to 58.2
0 to 0.22
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 16.5 to 20
0
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.2 to 90.9
Vanadium (V), % 0
3.5 to 4.5