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S31655 Stainless Steel vs. AISI 310MoLN Stainless Steel

Both S31655 stainless steel and AISI 310MoLN stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
28
Fatigue Strength, MPa 300
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
84
Shear Modulus, GPa 78
80
Shear Strength, MPa 490
400
Tensile Strength: Ultimate (UTS), MPa 710
610
Tensile Strength: Yield (Proof), MPa 350
290

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
5.0
Embodied Energy, MJ/kg 46
70
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 27
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
140
Resilience: Unit (Modulus of Resilience), kJ/m3 310
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 19.5 to 21.5
24 to 26
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
45.2 to 53.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.5
1.6 to 2.6
Nickel (Ni), % 8.0 to 9.5
20.5 to 23.5
Nitrogen (N), % 0.14 to 0.25
0.090 to 0.15
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010