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AISI 422 Stainless Steel vs. ASTM A369 Grade FP2

Both AISI 422 stainless steel and ASTM A369 grade FP2 are iron alloys. They have 86% 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 FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
20
Fatigue Strength, MPa 410 to 500
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 560 to 660
270
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
430
Tensile Strength: Yield (Proof), MPa 670 to 870
240

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
420
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1470
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
49
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.6
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 100
50

Common Calculations

PREN (Pitting Resistance) 17
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
75
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
15
Strength to Weight: Bending, points 26 to 30
16
Thermal Diffusivity, mm2/s 6.4
13
Thermal Shock Resistance, points 33 to 39
13

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.1 to 0.2
Chromium (Cr), % 11 to 12.5
0.5 to 0.81
Iron (Fe), % 81.9 to 85.8
97.4 to 98.6
Manganese (Mn), % 0.5 to 1.0
0.3 to 0.61
Molybdenum (Mo), % 0.9 to 1.3
0.44 to 0.65
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0.1 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0