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AISI 316Ti Stainless Steel vs. S31254 Stainless Steel

Both AISI 316Ti stainless steel and S31254 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 86% of their average alloy composition in common. There are 35 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 316Ti stainless steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
40
Fatigue Strength, MPa 200
290
Poisson's Ratio 0.28
0.28
Reduction in Area, % 45
56
Rockwell B Hardness 84
84
Shear Modulus, GPa 82
80
Shear Strength, MPa 400
490
Tensile Strength: Ultimate (UTS), MPa 580
720
Tensile Strength: Yield (Proof), MPa 230
330

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 470
420
Maximum Temperature: Mechanical, °C 940
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.0
5.5
Embodied Energy, MJ/kg 55
74
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 26
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 16 to 18
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 61.3 to 72
51.4 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
6.0 to 6.5
Nickel (Ni), % 10 to 14
17.5 to 18.5
Nitrogen (N), % 0 to 0.1
0.18 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.7
0