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S44800 Stainless Steel vs. AISI 310MoLN Stainless Steel

Both S44800 stainless steel and AISI 310MoLN stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 300
210
Poisson's Ratio 0.27
0.28
Reduction in Area, % 45
45
Shear Modulus, GPa 82
80
Shear Strength, MPa 370
400
Tensile Strength: Ultimate (UTS), MPa 590
610
Tensile Strength: Yield (Proof), MPa 450
290

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
5.0
Embodied Energy, MJ/kg 52
70
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 42
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 480
200
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.6
3.7
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.020
Chromium (Cr), % 28 to 30
24 to 26
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
45.2 to 53.8
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.2
1.6 to 2.6
Nickel (Ni), % 2.0 to 2.5
20.5 to 23.5
Nitrogen (N), % 0 to 0.020
0.090 to 0.15
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010