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AWS ERTi-12 vs. EN 1.4020 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4020 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
13 to 34
Fatigue Strength, MPa 200
340 to 540
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
770 to 1130
Tensile Strength: Yield (Proof), MPa 340
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
890
Melting Completion (Liquidus), °C 1670
1390
Melting Onset (Solidus), °C 1620
1350
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 31
2.5
Embodied Energy, MJ/kg 510
37
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 550
460 to 2290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
28 to 41
Strength to Weight: Bending, points 30
25 to 32
Thermal Shock Resistance, points 37
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 0
16.5 to 19
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
62.8 to 71.8
Manganese (Mn), % 0
11 to 14
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0.5 to 2.5
Nitrogen (N), % 0 to 0.015
0.2 to 0.45
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