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EN 1.8550 Steel vs. ASTM A204 Steel

Both EN 1.8550 steel and ASTM A204 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 A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
18 to 22
Fatigue Strength, MPa 470
200 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 600
330 to 360
Tensile Strength: Ultimate (UTS), MPa 1000
520 to 590
Tensile Strength: Yield (Proof), MPa 760
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420 to 1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 40
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 23
20
Embodied Water, L/kg 67
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
220 to 290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
18 to 21
Strength to Weight: Bending, points 29
18 to 20
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 29
15 to 17