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S40977 Stainless Steel vs. AWS ERTi-5

S40977 stainless steel belongs to the iron alloys classification, while AWS ERTi-5 belongs to the titanium 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 S40977 stainless steel and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21
10
Fatigue Strength, MPa 200
470
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 510
900
Tensile Strength: Yield (Proof), MPa 310
830

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 720
340
Melting Completion (Liquidus), °C 1440
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 25
7.1
Thermal Expansion, µm/m-K 10
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 1.9
38
Embodied Energy, MJ/kg 27
610
Embodied Water, L/kg 97
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
87
Resilience: Unit (Modulus of Resilience), kJ/m3 250
3250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 18
56
Strength to Weight: Bending, points 18
46
Thermal Diffusivity, mm2/s 6.7
2.9
Thermal Shock Resistance, points 18
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 10.5 to 12.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 83.9 to 89.2
0 to 0.22
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0.3 to 1.0
0
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
88.2 to 90.9
Vanadium (V), % 0
3.5 to 4.5