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AISI 310MoLN Stainless Steel vs. SAE-AISI 4137 Steel

Both AISI 310MoLN stainless steel and SAE-AISI 4137 steel are iron alloys. Both are furnished in the annealed condition. They have 52% 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 310MoLN stainless steel and the bottom bar is SAE-AISI 4137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
23
Fatigue Strength, MPa 210
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 400
350
Tensile Strength: Ultimate (UTS), MPa 610
550
Tensile Strength: Yield (Proof), MPa 290
340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.5
Embodied Energy, MJ/kg 70
20
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 14
18

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.4
Chromium (Cr), % 24 to 26
0.8 to 1.1
Iron (Fe), % 45.2 to 53.8
96.9 to 97.9
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 1.6 to 2.6
0.15 to 0.25
Nickel (Ni), % 20.5 to 23.5
0
Nitrogen (N), % 0.090 to 0.15
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040