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S21800 Stainless Steel vs. SAE-AISI 1541 Steel

Both S21800 stainless steel and SAE-AISI 1541 steel are iron alloys. They have 64% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is SAE-AISI 1541 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
11 to 17
Fatigue Strength, MPa 330
260 to 420
Poisson's Ratio 0.28
0.29
Reduction in Area, % 62
34 to 51
Shear Modulus, GPa 75
73
Shear Strength, MPa 510
440 to 480
Tensile Strength: Ultimate (UTS), MPa 740
720 to 790
Tensile Strength: Yield (Proof), MPa 390
390 to 680

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
78 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 390
410 to 1250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
25 to 28
Strength to Weight: Bending, points 24
23 to 24
Thermal Shock Resistance, points 17
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.1
0.36 to 0.44
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 59.1 to 65.4
97.8 to 98.3
Manganese (Mn), % 7.0 to 9.0
1.4 to 1.7
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050