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ASTM A369 Grade FPA vs. R60704 Alloy

ASTM A369 grade FPA belongs to the iron alloys classification, while R60704 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FPA and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 27
16
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 380
470
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 52
22
Thermal Expansion, µm/m-K 12
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 46
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
64
Resilience: Unit (Modulus of Resilience), kJ/m3 150
370
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 12
58

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.050
Chromium (Cr), % 0
0.2 to 0.4
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 98.3 to 99.63
0.2 to 0.4
Manganese (Mn), % 0.27 to 0.93
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
1.0 to 2.0
Zirconium (Zr), % 0
93 to 98.8