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ASTM A182 Grade F911 vs. S21900 Stainless Steel

Both ASTM A182 grade F911 and S21900 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F911 and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
50
Fatigue Strength, MPa 350
380
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
57
Shear Modulus, GPa 76
78
Shear Strength, MPa 430
510
Tensile Strength: Ultimate (UTS), MPa 690
710
Tensile Strength: Yield (Proof), MPa 500
390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 600
980
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1440
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 40
43
Embodied Water, L/kg 90
160

Common Calculations

PREN (Pitting Resistance) 15
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
300
Resilience: Unit (Modulus of Resilience), kJ/m3 650
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 6.9
3.8
Thermal Shock Resistance, points 19
15

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 0.080
Chromium (Cr), % 8.5 to 9.5
19 to 21.5
Iron (Fe), % 86.2 to 88.9
59.4 to 67.4
Manganese (Mn), % 0.3 to 0.6
8.0 to 10
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.4
5.5 to 7.5
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.040 to 0.090
0.15 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0.1 to 0.5
0 to 1.0
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