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AISI 310 Stainless Steel vs. S35115 Stainless Steel

Both AISI 310 stainless steel and S35115 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is AISI 310 stainless steel and the bottom bar is S35115 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
46
Fatigue Strength, MPa 240 to 280
280
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 82
86
Shear Modulus, GPa 78
79
Shear Strength, MPa 420 to 470
470
Tensile Strength: Ultimate (UTS), MPa 600 to 710
670
Tensile Strength: Yield (Proof), MPa 260 to 350
310

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1040
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
4.8
Embodied Energy, MJ/kg 61
67
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 25
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
250
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
24
Strength to Weight: Bending, points 20 to 22
22
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 14 to 17
15

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 24 to 26
23 to 25
Iron (Fe), % 48.2 to 57
47.6 to 55.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 19 to 22
19 to 22
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.5
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015