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AISI 422 Stainless Steel vs. ASTM A369 Grade FP92

Both AISI 422 stainless steel and ASTM A369 grade FP92 are iron alloys. They have a very high 96% 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 422 stainless steel and the bottom bar is ASTM A369 grade FP92.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
19
Fatigue Strength, MPa 410 to 500
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
440
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
710
Tensile Strength: Yield (Proof), MPa 670 to 870
490

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 650
590
Melting Completion (Liquidus), °C 1480
1490
Melting Onset (Solidus), °C 1470
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
26
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 44
40
Embodied Water, L/kg 100
89

Common Calculations

PREN (Pitting Resistance) 17
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
25
Strength to Weight: Bending, points 26 to 30
22
Thermal Diffusivity, mm2/s 6.4
6.9
Thermal Shock Resistance, points 33 to 39
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0.2 to 0.25
0.070 to 0.13
Chromium (Cr), % 11 to 12.5
8.5 to 9.5
Iron (Fe), % 81.9 to 85.8
85.8 to 89.1
Manganese (Mn), % 0.5 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.9 to 1.3
0.3 to 0.6
Nickel (Ni), % 0.5 to 1.0
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0.9 to 1.3
1.5 to 2.0
Vanadium (V), % 0.2 to 0.3
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010