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ACI-ASTM CF3 Steel vs. EN 1.6958 Steel

Both ACI-ASTM CF3 steel and EN 1.6958 steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3 steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 60
16
Fatigue Strength, MPa 270
700
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 510
1140
Tensile Strength: Yield (Proof), MPa 250
1070

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 960
450
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
47
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
2.0
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 20
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
3050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
40
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 11
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.030
0.25 to 0.3
Chromium (Cr), % 17 to 21
1.2 to 1.7
Iron (Fe), % 62.9 to 75
92.6 to 94.5
Manganese (Mn), % 0 to 1.5
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.5
0.35 to 0.55
Nickel (Ni), % 8.0 to 12
3.3 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0.15 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0
0 to 0.12