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ACI-ASTM CD3MN Steel vs. EN 1.7338 Steel

Both ACI-ASTM CD3MN steel and EN 1.7338 steel are iron alloys. Both are furnished in the normalized and tempered condition. 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 (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MN steel and the bottom bar is EN 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
23
Fatigue Strength, MPa 340
220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 710
490
Tensile Strength: Yield (Proof), MPa 460
300

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1060
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.6
Embodied Energy, MJ/kg 50
21
Embodied Water, L/kg 160
53

Common Calculations

PREN (Pitting Resistance) 35
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
97
Resilience: Unit (Modulus of Resilience), kJ/m3 530
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 20
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 21 to 23.5
1.0 to 1.5
Copper (Cu), % 0 to 1.0
0 to 0.3
Iron (Fe), % 62.6 to 71.9
95.4 to 97.8
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 3.5
0.45 to 0.65
Nickel (Ni), % 4.5 to 6.5
0 to 0.3
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.5 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010