MakeItFrom.com
Menu (ESC)

S24000 Stainless Steel vs. SAE-AISI 4621 Steel

Both S24000 stainless steel and SAE-AISI 4621 steel are iron alloys. Both are furnished in the annealed condition. They have 68% 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 SAE-AISI 4621 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
27
Fatigue Strength, MPa 370
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530
320
Tensile Strength: Ultimate (UTS), MPa 770
500
Tensile Strength: Yield (Proof), MPa 430
360

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.3
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 39
22
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 470
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
18
Strength to Weight: Bending, points 24
18
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.080
0.18 to 0.23
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 61.5 to 69
96.1 to 97.1
Manganese (Mn), % 11.5 to 14.5
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 2.3 to 3.7
1.7 to 2.0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040