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ASTM A369 Grade FP11 vs. ASTM A182 Grade F6b

Both ASTM A369 grade FP11 and ASTM A182 grade F6b are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP11 and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
18
Fatigue Strength, MPa 160
440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 300
530
Tensile Strength: Ultimate (UTS), MPa 470
850
Tensile Strength: Yield (Proof), MPa 240
710

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 430
750
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
30
Embodied Water, L/kg 52
100

Common Calculations

PREN (Pitting Resistance) 3.0
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
140
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
30
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 14
31

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.15
Chromium (Cr), % 1.0 to 1.5
11.5 to 13.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 96.1 to 97.7
81.2 to 87.1
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0.4 to 0.6
Nickel (Ni), % 0
1.0 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020