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ASTM A182 Grade F911 vs. S21800 Stainless Steel

Both ASTM A182 grade F911 and S21800 stainless steel 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 ASTM A182 grade F911 and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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