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SAE-AISI 1078 Steel vs. AISI 310MoLN Stainless Steel

Both SAE-AISI 1078 steel and AISI 310MoLN stainless steel are iron alloys. They have 50% 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 1078 steel and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
28
Fatigue Strength, MPa 270 to 350
210
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34 to 45
45
Shear Modulus, GPa 72
80
Shear Strength, MPa 440 to 470
400
Tensile Strength: Ultimate (UTS), MPa 730 to 780
610
Tensile Strength: Yield (Proof), MPa 430 to 570
290

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.2
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
5.0
Embodied Energy, MJ/kg 18
70
Embodied Water, L/kg 45
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 90
140
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 860
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 28
21
Strength to Weight: Bending, points 23 to 24
20
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 25 to 26
14

Alloy Composition

Carbon (C), % 0.72 to 0.85
0 to 0.020
Chromium (Cr), % 0
24 to 26
Iron (Fe), % 98.5 to 99
45.2 to 53.8
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
1.6 to 2.6
Nickel (Ni), % 0
20.5 to 23.5
Nitrogen (N), % 0
0.090 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.010