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EN 1.5503 Steel vs. ASTM A266 Carbon Steel

Both EN 1.5503 steel and ASTM A266 carbon steel are iron alloys.

For each property being compared, the top bar is EN 1.5503 steel and the bottom bar is ASTM A266 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 17
21 to 26
Fatigue Strength, MPa 180 to 280
170 to 200
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 72
34 to 43
Shear Modulus, GPa 73
73
Shear Strength, MPa 270 to 320
320 to 380
Tensile Strength: Ultimate (UTS), MPa 400 to 520
500 to 600
Tensile Strength: Yield (Proof), MPa 270 to 430
230 to 290

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 52
51 to 52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
140 to 230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 19
18 to 21
Strength to Weight: Bending, points 15 to 18
18 to 20
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12 to 15
16 to 19