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EN 1.7767 Steel vs. ACI-ASTM CG6MMN Steel

Both EN 1.7767 steel and ACI-ASTM CG6MMN steel are iron alloys. They have 62% of their average alloy composition in common. There are 27 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 EN 1.7767 steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 320 to 340
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 670 to 690
670
Tensile Strength: Yield (Proof), MPa 460 to 500
320

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
4.8
Embodied Energy, MJ/kg 33
68
Embodied Water, L/kg 64
180

Common Calculations

PREN (Pitting Resistance) 6.4
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 19 to 20
14

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.060
Chromium (Cr), % 2.8 to 3.3
20.5 to 23.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
51.9 to 62.1
Manganese (Mn), % 0.3 to 0.6
4.0 to 6.0
Molybdenum (Mo), % 0.9 to 1.1
1.5 to 3.0
Nickel (Ni), % 0 to 0.25
11.5 to 13.5
Niobium (Nb), % 0 to 0.070
0.1 to 0.3
Nitrogen (N), % 0 to 0.012
0.2 to 0.4
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0.1 to 0.3