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ASTM A356 Grade 8 vs. EN 1.8825 Steel

Both ASTM A356 grade 8 and EN 1.8825 steel 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 (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 8 and the bottom bar is EN 1.8825 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
22
Fatigue Strength, MPa 270
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630
570
Tensile Strength: Yield (Proof), MPa 390
420

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 440
410
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 26
23
Embodied Water, L/kg 55
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 390
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.054
Carbon (C), % 0 to 0.2
0 to 0.18
Chromium (Cr), % 1.0 to 1.5
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 95.4 to 97.4
95.1 to 99.985
Manganese (Mn), % 0.5 to 0.9
0 to 1.8
Molybdenum (Mo), % 0.9 to 1.2
0 to 0.23
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.2 to 0.6
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0.050 to 0.15
0 to 0.14