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AWS ERTi-1 vs. EN 1.4305 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while EN 1.4305 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is EN 1.4305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 24
14 to 40
Fatigue Strength, MPa 120
190 to 330
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 240
610 to 900
Tensile Strength: Yield (Proof), MPa 170
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
930
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
15
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
3.0
Embodied Energy, MJ/kg 510
42
Embodied Water, L/kg 110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 140
120 to 830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 15
22 to 32
Strength to Weight: Bending, points 19
20 to 27
Thermal Diffusivity, mm2/s 8.7
4.0
Thermal Shock Resistance, points 19
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
66.4 to 74.9
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Nitrogen (N), % 0 to 0.012
0 to 0.1
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Titanium (Ti), % 99.773 to 99.97
0