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EN 1.0034 Steel vs. ASTM A36 Carbon Steel

Both EN 1.0034 steel and ASTM A36 carbon steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0034 steel and the bottom bar is ASTM A36 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 97 to 110
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.0 to 32
22
Fatigue Strength, MPa 140 to 170
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 220 to 230
300
Tensile Strength: Ultimate (UTS), MPa 340 to 380
480
Tensile Strength: Yield (Proof), MPa 180 to 280
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 53
50
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
14

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 45
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 95
92
Resilience: Unit (Modulus of Resilience), kJ/m3 84 to 210
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 13
17
Strength to Weight: Bending, points 14 to 15
17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 11 to 12
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.26
Iron (Fe), % 98.7 to 100
99.25 to 100
Manganese (Mn), % 0 to 0.7
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.050