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ASTM A387 Grade 11 Steel vs. ASTM A182 Grade F11 Class 1

Both ASTM A387 grade 11 steel and ASTM A182 grade F11 class 1 are iron alloys. Their average alloy composition is basically identical. There are 32 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 A387 grade 11 steel and the bottom bar is ASTM A182 grade F11 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
23
Fatigue Strength, MPa 200 to 250
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 390
300
Tensile Strength: Ultimate (UTS), MPa 500 to 600
470
Tensile Strength: Yield (Proof), MPa 270 to 350
230

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 430
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 39
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 21
21
Embodied Water, L/kg 53
52

Common Calculations

PREN (Pitting Resistance) 3.1
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
89
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
17
Strength to Weight: Bending, points 18 to 20
17
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 15 to 18
14

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.050 to 0.15
Chromium (Cr), % 1.0 to 1.5
1.0 to 1.5
Iron (Fe), % 96.2 to 97.6
96 to 97.7
Manganese (Mn), % 0.4 to 0.65
0.3 to 0.6
Molybdenum (Mo), % 0.45 to 0.65
0.44 to 0.65
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.5 to 0.8
0.5 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030