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ASTM B522 Class I vs. EN 1.0303 Steel

ASTM B522 class I belongs to the otherwise unclassified metals classification, while EN 1.0303 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM B522 class I and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
190
Elongation at Break, % 1.1 to 29
12 to 25
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 34
73
Shear Strength, MPa 180 to 280
220 to 260
Tensile Strength: Ultimate (UTS), MPa 280 to 490
290 to 410
Tensile Strength: Yield (Proof), MPa 120 to 210
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 77
250
Melting Completion (Liquidus), °C 1030
1470
Melting Onset (Solidus), °C 1030
1430
Specific Heat Capacity, J/kg-K 160
470
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.8
7.9

Otherwise Unclassified Properties

Density, g/cm3 17
7.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.5 to 64
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 75 to 230
110 to 270
Stiffness to Weight: Axial, points 3.1
13
Stiffness to Weight: Bending, points 8.9
24
Strength to Weight: Axial, points 4.4 to 7.8
10 to 15
Strength to Weight: Bending, points 5.5 to 8.0
12 to 16
Thermal Shock Resistance, points 13 to 24
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0
0.020 to 0.060
Gold (Au), % 68 to 70
0
Iron (Fe), % 0
99.335 to 99.71
Manganese (Mn), % 0
0.25 to 0.4
Phosphorus (P), % 0
0 to 0.020
Platinum (Pt), % 5.0 to 7.0
0
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 23.5 to 26.5
0
Sulfur (S), % 0
0 to 0.025
Residuals, % 0 to 0.35
0

Comparable Variants