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S15500 Stainless Steel vs. AWS ERTi-12

S15500 stainless steel belongs to the iron alloys classification, while AWS ERTi-12 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 6.8 to 16
12
Fatigue Strength, MPa 350 to 650
200
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
480
Tensile Strength: Yield (Proof), MPa 590 to 1310
340

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 820
320
Melting Completion (Liquidus), °C 1430
1670
Melting Onset (Solidus), °C 1380
1620
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 17
21
Thermal Expansion, µm/m-K 11
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.7
31
Embodied Energy, MJ/kg 39
510
Embodied Water, L/kg 130
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
52
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 32 to 53
30
Strength to Weight: Bending, points 26 to 37
30
Thermal Diffusivity, mm2/s 4.6
8.7
Thermal Shock Resistance, points 30 to 50
37

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 4.5
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 71.9 to 79.9
0 to 0.15
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 3.5 to 5.5
0.060 to 0.090
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.147 to 99.66