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S24000 Stainless Steel vs. ACI-ASTM CA15M Steel

Both S24000 stainless steel and ACI-ASTM CA15M steel are iron alloys. They have 79% of their average alloy composition in common. There are 29 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 ACI-ASTM CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
20
Fatigue Strength, MPa 370
330
Poisson's Ratio 0.28
0.28
Reduction in Area, % 57
34
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770
690
Tensile Strength: Yield (Proof), MPa 430
510

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 910
760
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.1
Embodied Energy, MJ/kg 39
29
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 23
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
130
Resilience: Unit (Modulus of Resilience), kJ/m3 470
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 16
25

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 17 to 19
11.5 to 14
Iron (Fe), % 61.5 to 69
82.1 to 88.4
Manganese (Mn), % 11.5 to 14.5
0 to 1.0
Molybdenum (Mo), % 0
0.15 to 1.0
Nickel (Ni), % 2.3 to 3.7
0 to 1.0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.040