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EN 1.8509 Steel vs. ACI-ASTM CF10SMnN Steel

Both EN 1.8509 steel and ACI-ASTM CF10SMnN steel are iron alloys. They have 65% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8509 steel and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
34
Fatigue Strength, MPa 580
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 1130
660
Tensile Strength: Yield (Proof), MPa 940
330

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 440
900
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.6
3.1
Embodied Energy, MJ/kg 22
45
Embodied Water, L/kg 65
150

Common Calculations

PREN (Pitting Resistance) 2.6
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 31
22
Thermal Shock Resistance, points 33
15

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0 to 0.1
Chromium (Cr), % 1.5 to 1.8
16 to 18
Iron (Fe), % 95.5 to 97.1
59.1 to 65.4
Manganese (Mn), % 0.4 to 0.7
7.0 to 9.0
Molybdenum (Mo), % 0.2 to 0.35
0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.4
3.5 to 4.5
Sulfur (S), % 0 to 0.035
0 to 0.030