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EN 1.8888 Steel vs. ACI-ASTM CF8M Steel

Both EN 1.8888 steel and ACI-ASTM CF8M steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is ACI-ASTM CF8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
50
Fatigue Strength, MPa 470
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 830
540
Tensile Strength: Yield (Proof), MPa 720
290

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
1000
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.8
Embodied Energy, MJ/kg 26
53
Embodied Water, L/kg 54
160

Common Calculations

PREN (Pitting Resistance) 2.0
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
230
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 24
12

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 0 to 1.5
18 to 21
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
60.3 to 71
Manganese (Mn), % 0 to 1.7
0 to 1.5
Molybdenum (Mo), % 0 to 0.7
2.0 to 3.0
Nickel (Ni), % 0 to 2.5
9.0 to 12
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.0050
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0