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S24000 Stainless Steel vs. AISI 312 Stainless Steel

Both S24000 stainless steel and AISI 312 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S24000 stainless steel and the bottom bar is AISI 312 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
28
Fatigue Strength, MPa 370
370
Poisson's Ratio 0.28
0.27
Reduction in Area, % 57
56
Shear Modulus, GPa 77
80
Shear Strength, MPa 530
510
Tensile Strength: Ultimate (UTS), MPa 770
780
Tensile Strength: Yield (Proof), MPa 430
510

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 39
48
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
190
Resilience: Unit (Modulus of Resilience), kJ/m3 470
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
28
Strength to Weight: Bending, points 24
24
Thermal Shock Resistance, points 16
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
24 to 26
Iron (Fe), % 61.5 to 69
62.2 to 69.2
Manganese (Mn), % 11.5 to 14.5
0 to 2.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 2.3 to 3.7
5.5 to 6.5
Nitrogen (N), % 0.2 to 0.4
0.14 to 0.2
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030