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ASTM A369 Grade FP1 vs. ASTM A369 Grade FP12

Both ASTM A369 grade FP1 and ASTM A369 grade FP12 are iron alloys. Both are furnished in the stress relieved condition. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP1 and the bottom bar is ASTM A369 grade FP12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
20
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 270
300
Tensile Strength: Ultimate (UTS), MPa 430
470
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
430
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 47
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
81
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 13
14

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.050 to 0.15
Chromium (Cr), % 0
0.8 to 1.3
Iron (Fe), % 97.8 to 99.06
96.8 to 98.4
Manganese (Mn), % 0.3 to 0.8
0.3 to 0.61
Molybdenum (Mo), % 0.44 to 0.65
0.44 to 0.65
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025