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AWS ERTi-1 vs. EN 1.4612 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while EN 1.4612 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-1 and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 24
11
Fatigue Strength, MPa 120
860 to 950
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 240
1690 to 1850
Tensile Strength: Yield (Proof), MPa 170
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
790
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
16
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
3.6
Embodied Energy, MJ/kg 510
50
Embodied Water, L/kg 110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
190 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 15
60 to 65
Strength to Weight: Bending, points 19
40 to 43
Thermal Shock Resistance, points 19
58 to 63

Alloy Composition

Aluminum (Al), % 0
1.4 to 1.8
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 0
11 to 12.5
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
71.5 to 75.5
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0
10.2 to 11.3
Nitrogen (N), % 0 to 0.012
0 to 0.010
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 99.773 to 99.97
0.2 to 0.5