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ACI-ASTM CG6MMN Steel vs. EN 1.7729 Steel

Both ACI-ASTM CG6MMN steel and EN 1.7729 steel are iron alloys. They have 60% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 260
500
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 670
910
Tensile Strength: Yield (Proof), MPa 320
750

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
430
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.3
Embodied Energy, MJ/kg 68
49
Embodied Water, L/kg 180
59

Common Calculations

PREN (Pitting Resistance) 34
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
150
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
27
Thermal Shock Resistance, points 14
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.060
0.17 to 0.23
Chromium (Cr), % 20.5 to 23.5
0.9 to 1.2
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 51.9 to 62.1
94.8 to 97
Manganese (Mn), % 4.0 to 6.0
0.35 to 0.75
Molybdenum (Mo), % 1.5 to 3.0
0.9 to 1.1
Nickel (Ni), % 11.5 to 13.5
0 to 0.2
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0.1 to 0.3
0.6 to 0.8