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SAE-AISI 1140 Steel vs. AISI 310Cb Stainless Steel

Both SAE-AISI 1140 steel and AISI 310Cb stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1140 steel and the bottom bar is AISI 310Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 18
39
Fatigue Strength, MPa 230 to 370
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 39 to 46
46
Shear Modulus, GPa 72
78
Shear Strength, MPa 370 to 420
390
Tensile Strength: Ultimate (UTS), MPa 600 to 700
580
Tensile Strength: Yield (Proof), MPa 340 to 570
230

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
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 51
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.8
Embodied Energy, MJ/kg 18
69
Embodied Water, L/kg 46
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
180
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 25
20
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 18 to 21
13

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.080
Chromium (Cr), % 0
24 to 26
Iron (Fe), % 98.4 to 98.9
47.2 to 57
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Nickel (Ni), % 0
19 to 22
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0.080 to 0.13
0 to 0.030