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AWS E383 vs. ACI-ASTM CD4MCu Steel

Both AWS E383 and ACI-ASTM CD4MCu steel are iron alloys. They have 69% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E383 and the bottom bar is ACI-ASTM CD4MCu steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
18
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 580
770

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
18
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.5
Embodied Energy, MJ/kg 89
49
Embodied Water, L/kg 240
180

Common Calculations

PREN (Pitting Resistance) 40
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
28
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 26.5 to 29
24.5 to 26.5
Copper (Cu), % 0.6 to 1.5
2.8 to 3.3
Iron (Fe), % 28.8 to 39.2
59.9 to 66.3
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 3.2 to 4.2
1.8 to 2.3
Nickel (Ni), % 30 to 33
4.8 to 6.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.040