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ACI-ASTM CG12 Steel vs. EN 1.6956 Steel

Both ACI-ASTM CG12 steel and EN 1.6956 steel are iron alloys. They have 70% 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 CG12 steel and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
370
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
9.6
Fatigue Strength, MPa 190
680
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 550
1230
Tensile Strength: Yield (Proof), MPa 220
1120

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1040
440
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
2.2
Embodied Energy, MJ/kg 48
31
Embodied Water, L/kg 160
60

Common Calculations

PREN (Pitting Resistance) 22
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 120
3320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
43
Strength to Weight: Bending, points 19
32
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 12
36

Alloy Composition

Carbon (C), % 0 to 0.12
0.28 to 0.38
Chromium (Cr), % 20 to 23
1.0 to 1.7
Iron (Fe), % 60.3 to 70
92.4 to 95.3
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 10 to 13
2.9 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035
Vanadium (V), % 0
0.080 to 0.25