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AISI 422 Stainless Steel vs. SAE-AISI 1117 Steel

Both AISI 422 stainless steel and SAE-AISI 1117 steel are iron alloys. They have 85% 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 SAE-AISI 1117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
17 to 26
Fatigue Strength, MPa 410 to 500
190 to 300
Poisson's Ratio 0.28
0.29
Reduction in Area, % 34 to 40
46 to 53
Shear Modulus, GPa 76
73
Shear Strength, MPa 560 to 660
320 to 330
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
490 to 540
Tensile Strength: Yield (Proof), MPa 670 to 870
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1470
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
180 to 550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
17 to 19
Strength to Weight: Bending, points 26 to 30
18 to 19
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 33 to 39
15 to 17

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.14 to 0.2
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 81.9 to 85.8
98.3 to 98.8
Manganese (Mn), % 0.5 to 1.0
1.0 to 1.3
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0.080 to 0.13
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0