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AISI 305 Stainless Steel vs. AISI 316 Stainless Steel

Both AISI 305 stainless steel and AISI 316 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 305 stainless steel and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
8.0 to 55
Fatigue Strength, MPa 210 to 280
210 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 400 to 470
350 to 690
Tensile Strength: Ultimate (UTS), MPa 580 to 710
520 to 1180
Tensile Strength: Yield (Proof), MPa 230 to 350
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 540
590
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Calomel Potential, mV -70
-50
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.9
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 18
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
18 to 41
Strength to Weight: Bending, points 20 to 23
18 to 31
Thermal Diffusivity, mm2/s 4.2
4.1
Thermal Shock Resistance, points 13 to 15
11 to 26

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 17 to 19
16 to 18
Iron (Fe), % 65.1 to 72.5
62 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 10.5 to 13
10 to 14
Nitrogen (N), % 0
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

Comparable Variants