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AISI 316Ti Stainless Steel vs. S31277 Stainless Steel

Both AISI 316Ti stainless steel and S31277 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 316Ti stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 41
45
Fatigue Strength, MPa 200
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
80
Shear Strength, MPa 400
600
Tensile Strength: Ultimate (UTS), MPa 580
860
Tensile Strength: Yield (Proof), MPa 230
410

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 470
430
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.0
6.7
Embodied Energy, MJ/kg 55
90
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 26
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
320
Resilience: Unit (Modulus of Resilience), kJ/m3 140
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 16 to 18
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 61.3 to 72
35.5 to 46.2
Manganese (Mn), % 0 to 2.0
0 to 3.0
Molybdenum (Mo), % 2.0 to 3.0
6.5 to 8.0
Nickel (Ni), % 10 to 14
26 to 28
Nitrogen (N), % 0 to 0.1
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.7
0