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ASTM A182 Grade F5 vs. ASTM A182 Grade F11 Class 1

Both ASTM A182 grade F5 and ASTM A182 grade F11 class 1 are iron alloys. Both are furnished in the annealed condition. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is ASTM A182 grade F5 and the bottom bar is ASTM A182 grade F11 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
23
Fatigue Strength, MPa 220
160
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40
50
Shear Modulus, GPa 74
73
Shear Strength, MPa 340
300
Tensile Strength: Ultimate (UTS), MPa 540
470
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 510
430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.6
Embodied Energy, MJ/kg 24
21
Embodied Water, L/kg 69
52

Common Calculations

PREN (Pitting Resistance) 6.8
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
89
Resilience: Unit (Modulus of Resilience), kJ/m3 260
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.15
0.050 to 0.15
Chromium (Cr), % 4.0 to 6.0
1.0 to 1.5
Iron (Fe), % 91.5 to 95.3
96 to 97.7
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0.44 to 0.65
0.44 to 0.65
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030