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ACI-ASTM CA6NM Steel vs. EN 1.6579 Steel

Both ACI-ASTM CA6NM steel and EN 1.6579 steel are iron alloys. They have 86% 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 CA6NM steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 14
Fatigue Strength, MPa 380
380 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 850
850 to 980
Tensile Strength: Yield (Proof), MPa 620
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.7
Embodied Energy, MJ/kg 34
22
Embodied Water, L/kg 110
56

Common Calculations

PREN (Pitting Resistance) 15
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
950 to 2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
30 to 35
Strength to Weight: Bending, points 26
25 to 28
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 31
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.060
0.32 to 0.38
Chromium (Cr), % 11.5 to 14
1.4 to 1.7
Iron (Fe), % 78.4 to 84.6
94.2 to 96.1
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0.15 to 0.35
Nickel (Ni), % 3.5 to 4.5
1.4 to 1.7
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030