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AISI 312 Stainless Steel vs. AWS ERTi-5

AISI 312 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 (6, in this case) are not shown.

For each property being compared, the top bar is AISI 312 stainless steel and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 28
10
Fatigue Strength, MPa 370
470
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 780
900
Tensile Strength: Yield (Proof), MPa 510
830

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
340
Melting Completion (Liquidus), °C 1430
1610
Melting Onset (Solidus), °C 1390
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 16
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 17
36
Density, g/cm3 7.7
4.4
Embodied Carbon, kg CO2/kg material 3.4
38
Embodied Energy, MJ/kg 48
610
Embodied Water, L/kg 170
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
87
Resilience: Unit (Modulus of Resilience), kJ/m3 640
3250
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 28
56
Strength to Weight: Bending, points 24
46
Thermal Diffusivity, mm2/s 4.3
2.9
Thermal Shock Resistance, points 21
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.2 to 69.2
0 to 0.22
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.5 to 6.5
0
Nitrogen (N), % 0.14 to 0.2
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.2 to 90.9
Vanadium (V), % 0
3.5 to 4.5