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EN 1.6554 Steel vs. ASTM A356 Grade 8

Both EN 1.6554 steel and ASTM A356 grade 8 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 21
21
Fatigue Strength, MPa 380 to 520
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 780 to 930
630
Tensile Strength: Yield (Proof), MPa 550 to 790
390

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
38
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.0
Embodied Energy, MJ/kg 22
26
Embodied Water, L/kg 53
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 33
22
Strength to Weight: Bending, points 24 to 27
21
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 23 to 27
18

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.2
Chromium (Cr), % 0.7 to 0.9
1.0 to 1.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
95.4 to 97.4
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.9
Molybdenum (Mo), % 0.2 to 0.3
0.9 to 1.2
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.6
0.2 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0.050 to 0.15