MakeItFrom.com
Menu (ESC)

EN 1.7108 Steel vs. ACI-ASTM CF8C Steel

Both EN 1.7108 steel and ACI-ASTM CF8C steel are iron alloys. They have 70% 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 EN 1.7108 steel and the bottom bar is ACI-ASTM CF8C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 510
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
530

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Mechanical, °C 410
980
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 46
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.7
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 47
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 75
19
Strength to Weight: Bending, points 22 to 47
19
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 20 to 63
11

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.080
Chromium (Cr), % 0.2 to 0.45
18 to 21
Iron (Fe), % 95.9 to 96.9
61.8 to 73
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.6 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.040