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S21800 Stainless Steel vs. ASTM A182 Grade F911

Both S21800 stainless steel and ASTM A182 grade F911 are iron alloys. They have 72% 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 F911.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 330
350
Poisson's Ratio 0.28
0.28
Reduction in Area, % 62
46
Shear Modulus, GPa 75
76
Shear Strength, MPa 510
430
Tensile Strength: Ultimate (UTS), MPa 740
690
Tensile Strength: Yield (Proof), MPa 390
500

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Maximum Temperature: Mechanical, °C 900
600
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1310
1440
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 45
40
Embodied Water, L/kg 150
90

Common Calculations

PREN (Pitting Resistance) 19
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
130
Resilience: Unit (Modulus of Resilience), kJ/m3 390
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.00030 to 0.0060
Carbon (C), % 0 to 0.1
0.090 to 0.13
Chromium (Cr), % 16 to 18
8.5 to 9.5
Iron (Fe), % 59.1 to 65.4
86.2 to 88.9
Manganese (Mn), % 7.0 to 9.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 8.0 to 9.0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0.080 to 0.18
0.040 to 0.090
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 3.5 to 4.5
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010