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AWS ERTi-7 vs. AISI 205 Stainless Steel

AWS ERTi-7 belongs to the titanium alloys classification, while AISI 205 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
11 to 51
Fatigue Strength, MPa 190
410 to 640
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 340
800 to 1430
Tensile Strength: Yield (Proof), MPa 280
450 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
880
Melting Completion (Liquidus), °C 1670
1380
Melting Onset (Solidus), °C 1620
1340
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.7
18

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 47
2.6
Embodied Energy, MJ/kg 800
37
Embodied Water, L/kg 470
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
150 to 430
Resilience: Unit (Modulus of Resilience), kJ/m3 360
510 to 3060
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 21
29 to 52
Strength to Weight: Bending, points 24
25 to 37
Thermal Shock Resistance, points 26
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.12 to 0.25
Chromium (Cr), % 0
16.5 to 18.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
62.6 to 68.1
Manganese (Mn), % 0
14 to 15.5
Nickel (Ni), % 0
1.0 to 1.7
Nitrogen (N), % 0 to 0.015
0.32 to 0.4
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.417 to 99.8
0