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EN 1.1151 Steel vs. ASTM A572 Steel

Both EN 1.1151 steel and ASTM A572 steel are iron alloys.

For each property being compared, the top bar is EN 1.1151 steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
18 to 25
Fatigue Strength, MPa 180 to 240
240 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 330
300 to 380
Tensile Strength: Ultimate (UTS), MPa 460 to 520
470 to 620
Tensile Strength: Yield (Proof), MPa 240 to 340
330 to 510

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 50
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 47
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 100
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 310
290 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
17 to 22
Strength to Weight: Bending, points 17 to 18
17 to 21
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 15 to 16
14 to 18