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AWS ERTi-1 vs. EN 1.4597 Stainless Steel

AWS ERTi-1 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-1 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, % 24
45
Fatigue Strength, MPa 120
300
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 240
680
Tensile Strength: Yield (Proof), MPa 170
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 140
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 8.7
4.1
Thermal Shock Resistance, points 19
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 0.0050
0
Iron (Fe), % 0 to 0.080
63 to 76.4
Manganese (Mn), % 0
6.5 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Nitrogen (N), % 0 to 0.012
0.1 to 0.3
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.773 to 99.97
0