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AISI 422 Stainless Steel vs. ASTM A182 Grade F6b

Both AISI 422 stainless steel and ASTM A182 grade F6b are iron alloys. They have a very high 98% of their average alloy composition in common. There are 34 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 AISI 422 stainless steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
18
Fatigue Strength, MPa 410 to 500
440
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34 to 40
51
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
530
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
850
Tensile Strength: Yield (Proof), MPa 670 to 870
710

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
390
Maximum Temperature: Mechanical, °C 650
750
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.2
Embodied Energy, MJ/kg 44
30
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 17
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
1280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
30
Strength to Weight: Bending, points 26 to 30
26
Thermal Diffusivity, mm2/s 6.4
6.7
Thermal Shock Resistance, points 33 to 39
31

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.15
Chromium (Cr), % 11 to 12.5
11.5 to 13.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.9 to 85.8
81.2 to 87.1
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0.4 to 0.6
Nickel (Ni), % 0.5 to 1.0
1.0 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0