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AISI 316Ti Stainless Steel vs. AISI 316 Stainless Steel

Both AISI 316Ti stainless steel and AISI 316 stainless steel are iron alloys. Their average alloy composition is basically identical.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
8.0 to 55
Fatigue Strength, MPa 200
210 to 430
Poisson's Ratio 0.28
0.28
Reduction in Area, % 45
80
Rockwell B Hardness 84
80
Shear Modulus, GPa 82
78
Shear Strength, MPa 400
350 to 690
Tensile Strength: Ultimate (UTS), MPa 580
520 to 1180
Tensile Strength: Yield (Proof), MPa 230
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 940
590
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Calomel Potential, mV -20
-50
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
3.9
Embodied Energy, MJ/kg 55
53
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 26
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 140
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
18 to 41
Strength to Weight: Bending, points 20
18 to 31
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 13
11 to 26

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 61.3 to 72
62 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 10 to 14
10 to 14
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.7
0