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EN 1.0308 Steel vs. ACI-ASTM CF20 Steel

Both EN 1.0308 steel and ACI-ASTM CF20 steel are iron alloys. They have 70% of their average alloy composition in common. There are 30 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 1.0308 steel and the bottom bar is ACI-ASTM CF20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 7.8 to 28
50
Fatigue Strength, MPa 140 to 200
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 360 to 440
530
Tensile Strength: Yield (Proof), MPa 190 to 340
250

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
970
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 18
44
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 95
220
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 300
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
19
Strength to Weight: Bending, points 14 to 16
19
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 11 to 14
11

Alloy Composition

Carbon (C), % 0 to 0.17
0 to 0.2
Chromium (Cr), % 0
18 to 21
Iron (Fe), % 98.2 to 100
64.2 to 74
Manganese (Mn), % 0 to 1.2
0 to 1.5
Nickel (Ni), % 0
8.0 to 11
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 2.0
Sulfur (S), % 0 to 0.045
0 to 0.040