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ACI-ASTM CG3M Steel vs. EN 1.7720 Steel

Both ACI-ASTM CG3M steel and EN 1.7720 steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG3M steel and the bottom bar is EN 1.7720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
19
Fatigue Strength, MPa 200
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 580
590
Tensile Strength: Yield (Proof), MPa 270
340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1020
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.1
2.2
Embodied Energy, MJ/kg 56
30
Embodied Water, L/kg 160
51

Common Calculations

PREN (Pitting Resistance) 31
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
97
Resilience: Unit (Modulus of Resilience), kJ/m3 190
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 18 to 21
0.3 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 58.9 to 70
96.6 to 98.6
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 4.0
0.4 to 0.6
Nickel (Ni), % 9.0 to 13
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.45
Sulfur (S), % 0 to 0.040
0 to 0.020
Vanadium (V), % 0
0.22 to 0.3