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ACI-ASTM CK35MN Steel vs. AWS ER80S-Ni3

Both ACI-ASTM CK35MN steel and AWS ER80S-Ni3 are iron alloys. They have 52% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 ER80S-Ni3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
27
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 650
630
Tensile Strength: Yield (Proof), MPa 310
530

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
1.7
Embodied Energy, MJ/kg 81
23
Embodied Water, L/kg 210
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
160
Resilience: Unit (Modulus of Resilience), kJ/m3 240
740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.12
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0 to 0.4
0 to 0.35
Iron (Fe), % 43.4 to 51.8
93.2 to 96.6
Manganese (Mn), % 0 to 2.0
0 to 1.3
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
3.0 to 3.8
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.4 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.025
Residuals, % 0
0 to 0.5