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ACI-ASTM CD6MN Steel vs. AWS E320LR

Both ACI-ASTM CD6MN steel and AWS E320LR are iron alloys. They have 65% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD6MN steel and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 730
580

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 17
36
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.4
6.2
Embodied Energy, MJ/kg 48
87
Embodied Water, L/kg 170
220

Common Calculations

PREN (Pitting Resistance) 36
28
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 24 to 27
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 62.1 to 70.1
32.7 to 42.5
Manganese (Mn), % 0 to 1.0
1.5 to 2.5
Molybdenum (Mo), % 1.8 to 2.5
2.0 to 3.0
Nickel (Ni), % 4.0 to 6.0
32 to 36
Niobium (Nb), % 0
0 to 0.4
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.015