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S21800 Stainless Steel vs. ASTM A182 Grade F23

Both S21800 stainless steel and ASTM A182 grade F23 are iron alloys. They have 65% 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 S21800 stainless steel and the bottom bar is ASTM A182 grade F23.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
22
Fatigue Strength, MPa 330
320
Poisson's Ratio 0.28
0.29
Reduction in Area, % 62
46
Shear Modulus, GPa 75
74
Shear Strength, MPa 510
360
Tensile Strength: Ultimate (UTS), MPa 740
570
Tensile Strength: Yield (Proof), MPa 390
460

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
450
Melting Completion (Liquidus), °C 1360
1500
Melting Onset (Solidus), °C 1310
1450
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.0
Density, g/cm3 7.5
8.0
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 45
36
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 19
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
120
Resilience: Unit (Modulus of Resilience), kJ/m3 390
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 17
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.1
0.040 to 0.1
Chromium (Cr), % 16 to 18
1.9 to 2.6
Iron (Fe), % 59.1 to 65.4
93.2 to 96.2
Manganese (Mn), % 7.0 to 9.0
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Nickel (Ni), % 8.0 to 9.0
0 to 0.4
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0.080 to 0.18
0 to 0.015
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3