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Grade FDSiCr Steel vs. ASTM A369 Grade FP2

Both grade FDSiCr steel and ASTM A369 grade FP2 are iron alloys. They have a very high 99% of their average alloy composition in common. There are 25 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 grade FDSiCr steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1930
430

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
420
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 48
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.6
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 48
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 69
15
Strength to Weight: Bending, points 44
16
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 58
13

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.1 to 0.2
Chromium (Cr), % 0.5 to 0.8
0.5 to 0.81
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
97.4 to 98.6
Manganese (Mn), % 0.5 to 0.9
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.2 to 1.6
0.1 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025