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AISI 310S Stainless Steel vs. S40930 Stainless Steel

Both AISI 310S stainless steel and S40930 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 33 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 AISI 310S stainless steel and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 44
23
Fatigue Strength, MPa 250 to 280
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 420 to 470
270
Tensile Strength: Ultimate (UTS), MPa 600 to 710
430
Tensile Strength: Yield (Proof), MPa 270 to 350
190

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.3
Embodied Energy, MJ/kg 61
32
Embodied Water, L/kg 190
94

Common Calculations

PREN (Pitting Resistance) 25
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
80
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
16
Strength to Weight: Bending, points 20 to 22
16
Thermal Diffusivity, mm2/s 4.1
6.7
Thermal Shock Resistance, points 14 to 16
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 24 to 26
10.5 to 11.7
Iron (Fe), % 48.3 to 57
84.7 to 89.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 19 to 22
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2