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ASTM A356 Grade 8 vs. EN 1.5502 Steel

Both ASTM A356 grade 8 and EN 1.5502 steel are iron alloys. They have a very high 98% of their average alloy composition in common. 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 ASTM A356 grade 8 and the bottom bar is EN 1.5502 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
12 to 20
Fatigue Strength, MPa 270
190 to 290
Poisson's Ratio 0.29
0.29
Reduction in Area, % 50
62 to 76
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630
400 to 1380
Tensile Strength: Yield (Proof), MPa 390
270 to 440

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 440
400
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
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 26
19
Embodied Water, L/kg 55
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
41 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 390
200 to 520
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
14 to 49
Strength to Weight: Bending, points 21
15 to 35
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 18
12 to 40

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.2
0.15 to 0.2
Chromium (Cr), % 1.0 to 1.5
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.4 to 97.4
98 to 99.249
Manganese (Mn), % 0.5 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.2 to 0.6
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0.050 to 0.15
0