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EN 1.8550 Steel vs. ASTM A588 Steel

Both EN 1.8550 steel and ASTM A588 steel are iron alloys. There are 31 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 EN 1.8550 steel and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
22
Fatigue Strength, MPa 470
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 600
350
Tensile Strength: Ultimate (UTS), MPa 1000
550
Tensile Strength: Yield (Proof), MPa 760
390

Thermal Properties

Latent Heat of Fusion, J/g 250
250 to 260
Maximum Temperature: Mechanical, °C 440
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410 to 1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 40
43 to 44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.3 to 2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5 to 1.6
Embodied Energy, MJ/kg 23
20 to 22
Embodied Water, L/kg 67
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
20
Strength to Weight: Bending, points 29
19
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 29
16