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ACI-ASTM CG6MMN Steel vs. EN 1.7709 Steel

Both ACI-ASTM CG6MMN steel and EN 1.7709 steel are iron alloys. They have 60% of their average alloy composition in common. There are 22 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 CG6MMN steel and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 670
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
440
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.3
Embodied Energy, MJ/kg 68
32
Embodied Water, L/kg 180
56

Common Calculations

PREN (Pitting Resistance) 34
3.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23 to 27
Strength to Weight: Bending, points 22
21 to 24
Thermal Shock Resistance, points 14
22 to 26

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0 to 0.060
0.17 to 0.25
Chromium (Cr), % 20.5 to 23.5
1.2 to 1.5
Iron (Fe), % 51.9 to 62.1
95.2 to 97.5
Manganese (Mn), % 4.0 to 6.0
0.4 to 0.8
Molybdenum (Mo), % 1.5 to 3.0
0.55 to 0.8
Nickel (Ni), % 11.5 to 13.5
0 to 0.6
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0.2 to 0.35