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AISI 420 Stainless Steel vs. ASTM A182 Grade F911

Both AISI 420 stainless steel and ASTM A182 grade F911 are iron alloys. They have a very high 95% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is ASTM A182 grade F911.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
20
Fatigue Strength, MPa 220 to 670
350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 420 to 1010
430
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
690
Tensile Strength: Yield (Proof), MPa 380 to 1310
500

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 620
600
Melting Completion (Liquidus), °C 1510
1480
Melting Onset (Solidus), °C 1450
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
26
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
9.5
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
40
Embodied Water, L/kg 100
90

Common Calculations

PREN (Pitting Resistance) 14
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
24
Strength to Weight: Bending, points 22 to 41
22
Thermal Diffusivity, mm2/s 7.3
6.9
Thermal Shock Resistance, points 25 to 62
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.00030 to 0.0060
Carbon (C), % 0.15 to 0.4
0.090 to 0.13
Chromium (Cr), % 12 to 14
8.5 to 9.5
Iron (Fe), % 82.3 to 87.9
86.2 to 88.9
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.1
Nickel (Ni), % 0 to 0.75
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.040 to 0.090
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
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