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AWS ERTi-12 vs. EN 1.4597 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.4597 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-12 and the bottom bar is EN 1.4597 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 12
45
Fatigue Strength, MPa 200
300
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 480
680
Tensile Strength: Yield (Proof), MPa 340
330

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
860
Melting Completion (Liquidus), °C 1670
1400
Melting Onset (Solidus), °C 1620
1350
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
2.5
Embodied Energy, MJ/kg 510
36
Embodied Water, L/kg 110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
250
Resilience: Unit (Modulus of Resilience), kJ/m3 550
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 30
22
Thermal Diffusivity, mm2/s 8.7
4.1
Thermal Shock Resistance, points 37
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 0
15 to 18
Copper (Cu), % 0
2.0 to 3.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
63 to 76.4
Manganese (Mn), % 0
6.5 to 9.0
Molybdenum (Mo), % 0.2 to 0.4
0 to 1.0
Nickel (Ni), % 0.060 to 0.090
0 to 3.0
Nitrogen (N), % 0 to 0.015
0.1 to 0.3
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.147 to 99.66
0