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ACI-ASTM CF10SMnN Steel vs. ASTM A369 Grade FP9

Both ACI-ASTM CF10SMnN steel and ASTM A369 grade FP9 are iron alloys. They have 73% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF10SMnN steel and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
20
Fatigue Strength, MPa 260
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 660
470
Tensile Strength: Yield (Proof), MPa 330
240

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Maximum Temperature: Mechanical, °C 900
600
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
6.5
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 45
28
Embodied Water, L/kg 150
87

Common Calculations

PREN (Pitting Resistance) 19
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
80
Resilience: Unit (Modulus of Resilience), kJ/m3 280
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 16 to 18
8.0 to 10
Iron (Fe), % 59.1 to 65.4
87.1 to 90.3
Manganese (Mn), % 7.0 to 9.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030