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AISI 422 Stainless Steel vs. ACI-ASTM CT15C Steel

Both AISI 422 stainless steel and ACI-ASTM CT15C steel are iron alloys. They have 58% 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 ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
23
Fatigue Strength, MPa 410 to 500
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
500
Tensile Strength: Yield (Proof), MPa 670 to 870
190

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
560
Maximum Temperature: Mechanical, °C 650
1080
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1470
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.1
6.1
Embodied Energy, MJ/kg 44
88
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
90
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
93
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
17
Strength to Weight: Bending, points 26 to 30
17
Thermal Diffusivity, mm2/s 6.4
3.2
Thermal Shock Resistance, points 33 to 39
12

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.050 to 0.15
Chromium (Cr), % 11 to 12.5
19 to 21
Iron (Fe), % 81.9 to 85.8
40.3 to 49.2
Manganese (Mn), % 0.5 to 1.0
0.15 to 1.5
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0