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SAE-AISI 9310 Steel vs. N08020 Stainless Steel

Both SAE-AISI 9310 steel and N08020 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9310 steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
15 to 34
Fatigue Strength, MPa 300 to 390
210 to 240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 510 to 570
380 to 410
Tensile Strength: Ultimate (UTS), MPa 820 to 910
610 to 620
Tensile Strength: Yield (Proof), MPa 450 to 570
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
38
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.8
6.6
Embodied Energy, MJ/kg 24
92
Embodied Water, L/kg 57
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 150
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 860
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29 to 32
21
Strength to Weight: Bending, points 25 to 27
20
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 24 to 27
15

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.070
Chromium (Cr), % 1.0 to 1.4
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 93.8 to 95.2
29.9 to 44
Manganese (Mn), % 0.45 to 0.65
0 to 2.0
Molybdenum (Mo), % 0.080 to 0.15
2.0 to 3.0
Nickel (Ni), % 3.0 to 3.5
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.2 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.012
0 to 0.035

Comparable Variants