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AISI 316N Stainless Steel vs. AISI 309HCb Stainless Steel

Both AISI 316N stainless steel and AISI 309HCb stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 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 316N stainless steel and the bottom bar is AISI 309HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 39
46
Fatigue Strength, MPa 230 to 450
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 420 to 690
410
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
590
Tensile Strength: Yield (Proof), MPa 270 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 940
1090
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
23
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
4.1
Embodied Energy, MJ/kg 53
59
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 27
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
21
Strength to Weight: Bending, points 20 to 31
20
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 14 to 26
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 16 to 18
22 to 24
Iron (Fe), % 61.9 to 71.9
56 to 66
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
12 to 16
Niobium (Nb), % 0
0 to 1.1
Nitrogen (N), % 0.1 to 0.16
0
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