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SAE-AISI 9310 Steel vs. AISI 409Cb Stainless Steel

Both SAE-AISI 9310 steel and AISI 409Cb stainless steel are iron alloys. They have 89% 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 AISI 409Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
24
Fatigue Strength, MPa 300 to 390
140
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 510 to 570
270
Tensile Strength: Ultimate (UTS), MPa 820 to 910
420
Tensile Strength: Yield (Proof), MPa 450 to 570
200

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
710
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.2
Embodied Energy, MJ/kg 24
31
Embodied Water, L/kg 57
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 150
83
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 860
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29 to 32
15
Strength to Weight: Bending, points 25 to 27
16
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 24 to 27
15

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.060
Chromium (Cr), % 1.0 to 1.4
10.5 to 11.7
Iron (Fe), % 93.8 to 95.2
84.9 to 89.5
Manganese (Mn), % 0.45 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.080 to 0.15
0
Nickel (Ni), % 3.0 to 3.5
0 to 0.5
Niobium (Nb), % 0
0 to 0.75
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 0.040