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AISI 416 Stainless Steel vs. ACI-ASTM CC50 Steel

Both AISI 416 stainless steel and ACI-ASTM CC50 steel are iron alloys. They have 83% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 416 stainless steel and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 510 to 800
430

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 680
1100
Melting Completion (Liquidus), °C 1530
1420
Melting Onset (Solidus), °C 1480
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 9.9
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
14
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
39
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
28
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18 to 29
16
Strength to Weight: Bending, points 18 to 25
17
Thermal Diffusivity, mm2/s 8.1
4.5
Thermal Shock Resistance, points 19 to 30
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.5
Chromium (Cr), % 12 to 14
26 to 30
Iron (Fe), % 83.2 to 87.9
62.9 to 74
Manganese (Mn), % 0 to 1.3
0 to 1.0
Nickel (Ni), % 0
0 to 4.0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0.15 to 0.35
0 to 0.040