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AISI 310 Stainless Steel vs. SAE-AISI 1140 Steel

Both AISI 310 stainless steel and SAE-AISI 1140 steel are iron alloys. 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 AISI 310 stainless steel and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 45
14 to 18
Fatigue Strength, MPa 240 to 280
230 to 370
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 420 to 470
370 to 420
Tensile Strength: Ultimate (UTS), MPa 600 to 710
600 to 700
Tensile Strength: Yield (Proof), MPa 260 to 350
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1040
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 61
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
310 to 870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
21 to 25
Strength to Weight: Bending, points 20 to 22
20 to 22
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 14 to 17
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.25
0.37 to 0.44
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 48.2 to 57
98.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13

Comparable Variants