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ACI-ASTM CK35MN Steel vs. AWS E309LMo

Both ACI-ASTM CK35MN steel and AWS E309LMo are iron alloys. They have 88% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is AWS E309LMo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 650
580

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.9
4.2
Embodied Energy, MJ/kg 81
59
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 48
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.3
3.9
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.040
Chromium (Cr), % 22 to 24
22 to 25
Copper (Cu), % 0 to 0.4
0 to 0.75
Iron (Fe), % 43.4 to 51.8
53.6 to 63.5
Manganese (Mn), % 0 to 2.0
0.5 to 2.5
Molybdenum (Mo), % 6.0 to 6.8
2.0 to 3.0
Nickel (Ni), % 20 to 22
12 to 14
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030