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S30815 Stainless Steel vs. AWS ERTi-2

S30815 stainless steel belongs to the iron alloys classification, while AWS ERTi-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is AWS ERTi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
20
Fatigue Strength, MPa 320
190
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 680
340
Tensile Strength: Yield (Proof), MPa 350
280

Thermal Properties

Latent Heat of Fusion, J/g 310
420
Maximum Temperature: Mechanical, °C 1020
320
Melting Completion (Liquidus), °C 1400
1670
Melting Onset (Solidus), °C 1360
1620
Specific Heat Capacity, J/kg-K 490
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 3.3
31
Embodied Energy, MJ/kg 47
510
Embodied Water, L/kg 160
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
64
Resilience: Unit (Modulus of Resilience), kJ/m3 310
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 4.0
8.7
Thermal Shock Resistance, points 15
27

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 62.8 to 68.4
0 to 0.12
Manganese (Mn), % 0 to 0.8
0
Nickel (Ni), % 10 to 12
0
Nitrogen (N), % 0.14 to 0.2
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.4 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.667 to 99.92