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SAE-AISI 6118 Steel vs. AISI 310Cb Stainless Steel

Both SAE-AISI 6118 steel and AISI 310Cb stainless steel are iron alloys. Both are furnished in the annealed condition. They have 54% of their average alloy composition in common. There are 31 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 6118 steel and the bottom bar is AISI 310Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 300
390
Tensile Strength: Ultimate (UTS), MPa 470
580
Tensile Strength: Yield (Proof), MPa 290
230

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
4.8
Embodied Energy, MJ/kg 23
69
Embodied Water, L/kg 49
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
180
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0.16 to 0.21
0 to 0.080
Chromium (Cr), % 0.5 to 0.7
24 to 26
Iron (Fe), % 97.8 to 98.6
47.2 to 57
Manganese (Mn), % 0.5 to 0.7
0 to 2.0
Nickel (Ni), % 0
19 to 22
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0.1 to 0.15
0