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ACI-ASTM CK35MN Steel vs. EN 1.7779 Steel

Both ACI-ASTM CK35MN steel and EN 1.7779 steel are iron alloys. They have 52% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
240
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 270
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 650
810
Tensile Strength: Yield (Proof), MPa 310
660

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.9

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
2.8
Embodied Energy, MJ/kg 81
41
Embodied Water, L/kg 210
64

Common Calculations

PREN (Pitting Resistance) 48
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.035
0.17 to 0.23
Chromium (Cr), % 22 to 24
3.0 to 3.3
Copper (Cu), % 0 to 0.4
0 to 0.3
Iron (Fe), % 43.4 to 51.8
93.8 to 95.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 6.0 to 6.8
0.5 to 0.6
Nickel (Ni), % 20 to 22
0 to 0.3
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.010
Vanadium (V), % 0
0.45 to 0.55