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EN 1.7729 Steel vs. ACI-ASTM CF10SMnN Steel

Both EN 1.7729 steel and ACI-ASTM CF10SMnN steel are iron alloys. They have 64% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7729 steel and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
34
Fatigue Strength, MPa 500
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 910
660
Tensile Strength: Yield (Proof), MPa 750
330

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 430
900
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 49
45
Embodied Water, L/kg 59
150

Common Calculations

PREN (Pitting Resistance) 4.4
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1500
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 27
22
Thermal Shock Resistance, points 27
15

Alloy Composition

Aluminum (Al), % 0.015 to 0.080
0
Arsenic (As), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.17 to 0.23
0 to 0.1
Chromium (Cr), % 0.9 to 1.2
16 to 18
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 94.8 to 97
59.1 to 65.4
Manganese (Mn), % 0.35 to 0.75
7.0 to 9.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.2
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.020
0 to 0.060
Silicon (Si), % 0 to 0.4
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tin (Sn), % 0 to 0.020
0
Titanium (Ti), % 0.070 to 0.15
0
Vanadium (V), % 0.6 to 0.8
0