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ACI-ASTM CG3M Steel vs. EN 1.8550 Steel

Both ACI-ASTM CG3M steel and EN 1.8550 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11
Fatigue Strength, MPa 200
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 580
1000
Tensile Strength: Yield (Proof), MPa 270
760

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1020
440
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.7
Embodied Energy, MJ/kg 56
23
Embodied Water, L/kg 160
67

Common Calculations

PREN (Pitting Resistance) 31
2.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
36
Strength to Weight: Bending, points 20
29
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 13
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.030
0.3 to 0.37
Chromium (Cr), % 18 to 21
1.5 to 1.8
Iron (Fe), % 58.9 to 70
94.4 to 96.3
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 4.0
0.15 to 0.25
Nickel (Ni), % 9.0 to 13
0.85 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035