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ASTM A266 Carbon Steel vs. EN 1.1181 Steel

Both ASTM A266 carbon steel and EN 1.1181 steel are iron alloys. There are 31 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 A266 carbon steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
19 to 20
Fatigue Strength, MPa 170 to 200
190 to 260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 380
350 to 390
Tensile Strength: Ultimate (UTS), MPa 500 to 600
560 to 620
Tensile Strength: Yield (Proof), MPa 230 to 290
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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 51 to 52
42
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18 to 19
19
Embodied Water, L/kg 46 to 47
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
210 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
20 to 22
Strength to Weight: Bending, points 18 to 20
19 to 21
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 16 to 19
19 to 21