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ASTM A266 Carbon Steel vs. EN 1.5501 Steel

Both ASTM A266 carbon steel and EN 1.5501 steel are iron alloys.

For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is EN 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
120 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
12 to 17
Fatigue Strength, MPa 170 to 200
180 to 270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 43
63 to 73
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 380
270 to 310
Tensile Strength: Ultimate (UTS), MPa 500 to 600
390 to 510
Tensile Strength: Yield (Proof), MPa 230 to 290
260 to 420

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
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18 to 19
18
Embodied Water, L/kg 46 to 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
190 to 460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
14 to 18
Strength to Weight: Bending, points 18 to 20
15 to 18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 16 to 19
11 to 15