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ACI-ASTM CC50 Steel vs. AISI 204 Stainless Steel

Both ACI-ASTM CC50 steel and AISI 204 stainless steel are iron alloys. They have 88% 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 ACI-ASTM CC50 steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 430
730 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 39
35
Embodied Water, L/kg 170
130

Common Calculations

PREN (Pitting Resistance) 28
20
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 16
27 to 40
Strength to Weight: Bending, points 17
24 to 31
Thermal Diffusivity, mm2/s 4.5
4.1
Thermal Shock Resistance, points 14
16 to 24

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.030
Chromium (Cr), % 26 to 30
15 to 17
Iron (Fe), % 62.9 to 74
69.6 to 76.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Nickel (Ni), % 0 to 4.0
1.5 to 3.0
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030