MakeItFrom.com
Menu (ESC)

ACI-ASTM CF8M Steel vs. EN 1.7321 Steel

Both ACI-ASTM CF8M steel and EN 1.7321 steel are iron alloys. They have 68% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF8M steel and the bottom bar is EN 1.7321 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 540
490 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.5
Embodied Energy, MJ/kg 53
20
Embodied Water, L/kg 160
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17 to 52
Strength to Weight: Bending, points 19
18 to 36
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 12
14 to 43

Alloy Composition

Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 18 to 21
0.3 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.3 to 71
97.1 to 98.4
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.4 to 0.5
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.025