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EN 1.5525 Steel vs. ASTM A356 Grade 1

Both EN 1.5525 steel and ASTM A356 grade 1 are iron alloys. Their average alloy composition is basically identical. There are 30 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 1.5525 steel and the bottom bar is ASTM A356 grade 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
23
Fatigue Strength, MPa 210 to 310
200
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 73
39
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 440 to 1440
550
Tensile Strength: Yield (Proof), MPa 300 to 490
280

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 640
210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 51
20
Strength to Weight: Bending, points 16 to 36
19
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 13 to 42
18

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.18 to 0.23
0 to 0.35
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.7 to 98.9
98.3 to 100
Manganese (Mn), % 0.9 to 1.2
0 to 0.7
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030