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N08332 Stainless Steel vs. S40975 Stainless Steel

Both N08332 stainless steel and S40975 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 56% of their average alloy composition in common.

For each property being compared, the top bar is N08332 stainless steel and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
22
Fatigue Strength, MPa 170
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 77
81
Shear Modulus, GPa 76
75
Shear Strength, MPa 350
290
Tensile Strength: Ultimate (UTS), MPa 520
460
Tensile Strength: Yield (Proof), MPa 210
310

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1050
710
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
26
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 32
6.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.0
Embodied Energy, MJ/kg 77
28
Embodied Water, L/kg 190
95

Common Calculations

PREN (Pitting Resistance) 19
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93
Resilience: Unit (Modulus of Resilience), kJ/m3 110
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.1
7.0
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.030
Chromium (Cr), % 17 to 20
10.5 to 11.7
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 38.3 to 48.2
84.4 to 89
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 34 to 37
0.5 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.75 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.75