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AWS ERTi-2 vs. EN 1.4986 Stainless Steel

AWS ERTi-2 belongs to the titanium alloys classification, while EN 1.4986 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-2 and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
18
Fatigue Strength, MPa 190
350
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 340
750
Tensile Strength: Yield (Proof), MPa 280
560

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
940
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1400
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
25
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
4.8
Embodied Energy, MJ/kg 510
67
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
120
Resilience: Unit (Modulus of Resilience), kJ/m3 360
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 8.7
4.0
Thermal Shock Resistance, points 27
16

Alloy Composition

Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
59.4 to 66.6
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
1.6 to 2.0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.667 to 99.92
0