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EN 1.1181 Steel vs. ASTM A182 Grade F11 Class 1

Both EN 1.1181 steel and ASTM A182 grade F11 class 1 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.1181 steel and the bottom bar is ASTM A182 grade F11 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 20
23
Fatigue Strength, MPa 190 to 260
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 350 to 390
300
Tensile Strength: Ultimate (UTS), MPa 560 to 620
470
Tensile Strength: Yield (Proof), MPa 280 to 380
230

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
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 42
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 47
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
89
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 22
17
Strength to Weight: Bending, points 19 to 21
17
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 19 to 21
14

Alloy Composition

Carbon (C), % 0.32 to 0.39
0.050 to 0.15
Chromium (Cr), % 0 to 0.4
1.0 to 1.5
Iron (Fe), % 97.4 to 99.18
96 to 97.7
Manganese (Mn), % 0.5 to 0.8
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.1
0.44 to 0.65
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0.5 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030