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EN 1.7710 Steel vs. ACI-ASTM CG6MMN Steel

Both EN 1.7710 steel and ACI-ASTM CG6MMN steel are iron alloys. They have 61% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7710 steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
34
Fatigue Strength, MPa 500 to 620
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
670
Tensile Strength: Yield (Proof), MPa 800 to 1060
320

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 440
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 3.5
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
4.8
Embodied Energy, MJ/kg 30
68
Embodied Water, L/kg 57
180

Common Calculations

PREN (Pitting Resistance) 4.5
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
24
Strength to Weight: Bending, points 27 to 30
22
Thermal Shock Resistance, points 27 to 31
14

Alloy Composition

Carbon (C), % 0.12 to 0.18
0 to 0.060
Chromium (Cr), % 1.3 to 1.8
20.5 to 23.5
Iron (Fe), % 95.1 to 97
51.9 to 62.1
Manganese (Mn), % 0.6 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0.8 to 1.0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.25
0.1 to 0.3