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S40977 Stainless Steel vs. AISI 310 Stainless Steel

Both S40977 stainless steel and AISI 310 stainless steel are iron alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is AISI 310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
34 to 45
Fatigue Strength, MPa 200
240 to 280
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 76
82
Shear Modulus, GPa 76
78
Shear Strength, MPa 320
420 to 470
Tensile Strength: Ultimate (UTS), MPa 510
600 to 710
Tensile Strength: Yield (Proof), MPa 310
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 720
1040
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
4.3
Embodied Energy, MJ/kg 27
61
Embodied Water, L/kg 97
190

Common Calculations

PREN (Pitting Resistance) 12
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 250
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21 to 25
Strength to Weight: Bending, points 18
20 to 22
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 18
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.25
Chromium (Cr), % 10.5 to 12.5
24 to 26
Iron (Fe), % 83.9 to 89.2
48.2 to 57
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 0.3 to 1.0
19 to 22
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030