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ACI-ASTM CF8C Steel vs. EN 1.3549 Stainless Steel

Both ACI-ASTM CF8C steel and EN 1.3549 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF8C steel and the bottom bar is EN 1.3549 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 530
730

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 490
400
Maximum Temperature: Mechanical, °C 980
910
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.6
Embodied Energy, MJ/kg 53
37
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 20
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 4.3
5.6
Thermal Shock Resistance, points 11
26

Alloy Composition

Carbon (C), % 0 to 0.080
0.85 to 1.0
Chromium (Cr), % 18 to 21
17 to 19
Iron (Fe), % 61.8 to 73
77.5 to 82
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.3
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0
0.070 to 0.12