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EN 1.0540 Steel vs. ASTM A36 Carbon Steel

Both EN 1.0540 steel and ASTM A36 carbon steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0540 steel and the bottom bar is ASTM A36 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
22
Fatigue Strength, MPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 400
300
Tensile Strength: Ultimate (UTS), MPa 660
480
Tensile Strength: Yield (Proof), MPa 330
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 48
50
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
92
Resilience: Unit (Modulus of Resilience), kJ/m3 290
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.26
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 97.2 to 98.9
99.25 to 100
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.050