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AISI 310S Stainless Steel vs. SAE-AISI 9255 Steel

Both AISI 310S stainless steel and SAE-AISI 9255 steel are iron alloys. They have 54% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 44
21
Fatigue Strength, MPa 250 to 280
270
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 420 to 470
430
Tensile Strength: Ultimate (UTS), MPa 600 to 710
680
Tensile Strength: Yield (Proof), MPa 270 to 350
390

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
1.5
Embodied Energy, MJ/kg 61
20
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
400
Stiffness to Weight: Axial, points 14
13
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 4.1
13
Thermal Shock Resistance, points 14 to 16
21

Alloy Composition

Carbon (C), % 0 to 0.080
0.51 to 0.59
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 48.3 to 57
96.2 to 97
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.5
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0 to 0.040