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ASTM B522 Class I vs. EN 1.4848 Stainless Steel

ASTM B522 class I belongs to the otherwise unclassified metals classification, while EN 1.4848 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, 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 1.4848 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
200
Elongation at Break, % 1.1 to 29
9.0
Poisson's Ratio 0.41
0.28
Shear Modulus, GPa 34
78
Tensile Strength: Ultimate (UTS), MPa 280 to 490
510
Tensile Strength: Yield (Proof), MPa 120 to 210
250

Thermal Properties

Latent Heat of Fusion, J/g 77
320
Melting Completion (Liquidus), °C 1030
1390
Melting Onset (Solidus), °C 1030
1340
Specific Heat Capacity, J/kg-K 160
490
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.8
2.3

Otherwise Unclassified Properties

Density, g/cm3 17
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.5 to 64
38
Resilience: Unit (Modulus of Resilience), kJ/m3 75 to 230
150
Stiffness to Weight: Axial, points 3.1
14
Stiffness to Weight: Bending, points 8.9
25
Strength to Weight: Axial, points 4.4 to 7.8
18
Strength to Weight: Bending, points 5.5 to 8.0
18
Thermal Shock Resistance, points 13 to 24
11

Alloy Composition

Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
24 to 27
Gold (Au), % 68 to 70
0
Iron (Fe), % 0
45.4 to 55.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0
0 to 0.040
Platinum (Pt), % 5.0 to 7.0
0
Silicon (Si), % 0
1.0 to 2.5
Silver (Ag), % 23.5 to 26.5
0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.35
0