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ASTM A572 Steel vs. EN 1.1127 Steel

Both ASTM A572 steel and EN 1.1127 steel are iron alloys.

For each property being compared, the top bar is ASTM A572 steel and the bottom bar is EN 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 190
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 25
14 to 25
Fatigue Strength, MPa 240 to 340
280 to 370
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 380
420 to 480
Tensile Strength: Ultimate (UTS), MPa 470 to 620
660 to 790
Tensile Strength: Yield (Proof), MPa 330 to 510
410 to 580

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
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 47
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
90 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
440 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 22
23 to 28
Strength to Weight: Bending, points 17 to 21
22 to 24
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 14 to 18
21 to 25