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AWS ERTi-7 vs. S33228 Stainless Steel

AWS ERTi-7 belongs to the titanium alloys classification, while S33228 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 190
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 340
570
Tensile Strength: Yield (Proof), MPa 280
210

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1670
1410
Melting Onset (Solidus), °C 1620
1360
Specific Heat Capacity, J/kg-K 540
470
Thermal Expansion, µm/m-K 8.7
16

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 47
6.2
Embodied Energy, MJ/kg 800
89
Embodied Water, L/kg 470
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
150
Resilience: Unit (Modulus of Resilience), kJ/m3 360
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 26
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.030
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
36.5 to 42.3
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.417 to 99.8
0