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S24000 Stainless Steel vs. ASTM A232 Spring Steel

Both S24000 stainless steel and ASTM A232 spring steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S24000 stainless steel and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14
Fatigue Strength, MPa 370
1040
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
46
Shear Modulus, GPa 77
73
Shear Strength, MPa 530
1090
Tensile Strength: Ultimate (UTS), MPa 770
1790
Tensile Strength: Yield (Proof), MPa 430
1610

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
420
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.3
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 39
28
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
64
Strength to Weight: Bending, points 24
42
Thermal Shock Resistance, points 16
53

Alloy Composition

Carbon (C), % 0 to 0.080
0.48 to 0.53
Chromium (Cr), % 17 to 19
0.8 to 1.1
Iron (Fe), % 61.5 to 69
96.8 to 97.7
Manganese (Mn), % 11.5 to 14.5
0.7 to 0.9
Nickel (Ni), % 2.3 to 3.7
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.15 to 0.3