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AWS ERTi-1 vs. S40930 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while S40930 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 S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 24
23
Fatigue Strength, MPa 120
130
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
75
Tensile Strength: Ultimate (UTS), MPa 240
430
Tensile Strength: Yield (Proof), MPa 170
190

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
710
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1410
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
25
Thermal Expansion, µm/m-K 8.7
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
8.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
2.3
Embodied Energy, MJ/kg 510
32
Embodied Water, L/kg 110
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
80
Resilience: Unit (Modulus of Resilience), kJ/m3 140
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 15
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 8.7
6.7
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
84.7 to 89.4
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0 to 0.012
0 to 0.030
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.773 to 99.97
0.050 to 0.2