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EN 1.0038 Steel vs. ACI-ASTM CB7Cu-1 Steel

Both EN 1.0038 steel and ACI-ASTM CB7Cu-1 steel are iron alloys. They have 77% 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 1.0038 steel and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 25
5.7 to 11
Fatigue Strength, MPa 140 to 160
420 to 590
Impact Strength: V-Notched Charpy, J 28 to 31
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 380 to 430
960 to 1350
Tensile Strength: Yield (Proof), MPa 200 to 220
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
38
Embodied Water, L/kg 48
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72 to 88
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 130
1500 to 3590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 15
34 to 48
Strength to Weight: Bending, points 15 to 16
28 to 35
Thermal Diffusivity, mm2/s 13
4.6
Thermal Shock Resistance, points 12 to 13
32 to 45

Alloy Composition

Carbon (C), % 0 to 0.23
0 to 0.070
Chromium (Cr), % 0 to 0.3
15.5 to 17.7
Copper (Cu), % 0 to 0.6
2.5 to 3.2
Iron (Fe), % 97.1 to 100
72.3 to 78.4
Manganese (Mn), % 0 to 1.5
0 to 0.7
Molybdenum (Mo), % 0 to 0.080
0
Nickel (Ni), % 0 to 0.3
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0 to 0.014
0 to 0.050
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.030