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AISI 309HCb Stainless Steel vs. N08332 Stainless Steel

Both AISI 309HCb stainless steel and N08332 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is AISI 309HCb stainless steel and the bottom bar is N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
34
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 82
77
Shear Modulus, GPa 78
76
Shear Strength, MPa 410
350
Tensile Strength: Ultimate (UTS), MPa 590
520
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 1090
1050
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.1
5.4
Embodied Energy, MJ/kg 59
77
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
140
Resilience: Unit (Modulus of Resilience), kJ/m3 130
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.050 to 0.1
Chromium (Cr), % 22 to 24
17 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 56 to 66
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 12 to 16
34 to 37
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0.75 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0
0 to 0.025