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ASTM A572 Steel vs. EN 1.7231 Steel

Both ASTM A572 steel and EN 1.7231 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A572 steel and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 190
240 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 25
11 to 12
Fatigue Strength, MPa 240 to 340
360 to 500
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 470 to 620
790 to 930
Tensile Strength: Yield (Proof), MPa 330 to 510
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 51
46
Thermal Expansion, µm/m-K 13
13

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
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 22
20
Embodied Water, L/kg 47
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
870 to 1700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 22
28 to 33
Strength to Weight: Bending, points 17 to 21
24 to 27
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 14 to 18
23 to 27

Comparable Variants