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N08031 Stainless Steel vs. AISI 302B Stainless Steel

Both N08031 stainless steel and AISI 302B stainless steel are iron alloys. Both are furnished in the annealed condition. They have 61% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is AISI 302B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 290
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 510
410
Tensile Strength: Ultimate (UTS), MPa 730
580
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
15
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 7.1
3.0
Embodied Energy, MJ/kg 96
43
Embodied Water, L/kg 240
140

Common Calculations

PREN (Pitting Resistance) 52
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
210
Resilience: Unit (Modulus of Resilience), kJ/m3 230
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.1
4.4
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.15
Chromium (Cr), % 26 to 28
17 to 19
Copper (Cu), % 1.0 to 1.4
0
Iron (Fe), % 29 to 36.9
65.7 to 73
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
8.0 to 10
Nitrogen (N), % 0.15 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.3
2.0 to 3.0
Sulfur (S), % 0 to 0.010
0 to 0.030