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S31655 Stainless Steel vs. AISI 310 Stainless Steel

Both S31655 stainless steel and AISI 310 stainless steel are iron alloys. They have 83% of their average alloy composition in common.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
34 to 45
Fatigue Strength, MPa 300
240 to 280
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 88
82
Shear Modulus, GPa 78
78
Shear Strength, MPa 490
420 to 470
Tensile Strength: Ultimate (UTS), MPa 710
600 to 710
Tensile Strength: Yield (Proof), MPa 350
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1010
1040
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
4.3
Embodied Energy, MJ/kg 46
61
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 27
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 310
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21 to 25
Strength to Weight: Bending, points 23
20 to 22
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 16
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.25
Chromium (Cr), % 19.5 to 21.5
24 to 26
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
48.2 to 57
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
19 to 22
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030