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ASTM B522 Class I vs. EN 1.4542 Stainless Steel

ASTM B522 class I belongs to the otherwise unclassified metals classification, while EN 1.4542 stainless 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 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
190
Elongation at Break, % 1.1 to 29
5.7 to 20
Poisson's Ratio 0.41
0.28
Shear Modulus, GPa 34
76
Shear Strength, MPa 180 to 280
550 to 860
Tensile Strength: Ultimate (UTS), MPa 280 to 490
880 to 1470
Tensile Strength: Yield (Proof), MPa 120 to 210
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 77
280
Melting Completion (Liquidus), °C 1030
1430
Melting Onset (Solidus), °C 1030
1380
Specific Heat Capacity, J/kg-K 160
470
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.8
2.8

Otherwise Unclassified Properties

Density, g/cm3 17
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.5 to 64
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 75 to 230
880 to 4360
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
31 to 52
Strength to Weight: Bending, points 5.5 to 8.0
26 to 37
Thermal Shock Resistance, points 13 to 24
29 to 49

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Gold (Au), % 68 to 70
0
Iron (Fe), % 0
69.6 to 79
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0
0 to 0.040
Platinum (Pt), % 5.0 to 7.0
0
Silicon (Si), % 0
0 to 0.7
Silver (Ag), % 23.5 to 26.5
0
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.35
0