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ACI-ASTM CA6NM Steel vs. EN 1.8509 Steel

Both ACI-ASTM CA6NM steel and EN 1.8509 steel are iron alloys. They have 84% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11
Fatigue Strength, MPa 380
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 850
1130
Tensile Strength: Yield (Proof), MPa 620
940

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.6
Embodied Energy, MJ/kg 34
22
Embodied Water, L/kg 110
65

Common Calculations

PREN (Pitting Resistance) 15
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
40
Strength to Weight: Bending, points 26
31
Thermal Diffusivity, mm2/s 6.7
10
Thermal Shock Resistance, points 31
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.060
0.38 to 0.45
Chromium (Cr), % 11.5 to 14
1.5 to 1.8
Iron (Fe), % 78.4 to 84.6
95.5 to 97.1
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0.4 to 1.0
0.2 to 0.35
Nickel (Ni), % 3.5 to 4.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035