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S24000 Stainless Steel vs. S40930 Stainless Steel

Both S24000 stainless steel and S40930 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S24000 stainless steel and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
23
Fatigue Strength, MPa 370
130
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
76
Shear Modulus, GPa 77
75
Shear Strength, MPa 530
270
Tensile Strength: Ultimate (UTS), MPa 770
430
Tensile Strength: Yield (Proof), MPa 430
190

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 910
710
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
8.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 39
32
Embodied Water, L/kg 150
94

Common Calculations

PREN (Pitting Resistance) 23
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
80
Resilience: Unit (Modulus of Resilience), kJ/m3 470
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 24
16
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
10.5 to 11.7
Iron (Fe), % 61.5 to 69
84.7 to 89.4
Manganese (Mn), % 11.5 to 14.5
0 to 1.0
Nickel (Ni), % 2.3 to 3.7
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0.2 to 0.4
0 to 0.030
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2