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AWS ERTi-12 vs. S28200 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 25 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-12 and the bottom bar is S28200 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
430
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
870
Tensile Strength: Yield (Proof), MPa 340
460

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1670
1380
Melting Onset (Solidus), °C 1620
1330
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.7
18

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 31
2.8
Embodied Energy, MJ/kg 510
41
Embodied Water, L/kg 110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
330
Resilience: Unit (Modulus of Resilience), kJ/m3 550
540
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 30
32
Strength to Weight: Bending, points 30
27
Thermal Shock Resistance, points 37
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
57.7 to 64.1
Manganese (Mn), % 0
17 to 19
Molybdenum (Mo), % 0.2 to 0.4
0.75 to 1.3
Nickel (Ni), % 0.060 to 0.090
0
Nitrogen (N), % 0 to 0.015
0.4 to 0.6
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.147 to 99.66
0