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Alloy 28 (Wst 1.4563)


Technical Data Sheet

Chemical Composition Limits
Weight% Ni Fe Cr Mo Cu Ti C Mn S Si Al
Alloy 28 30-32 22 min 26-28 3-4 0.60-1.40 - 0.02 max 2 max 0.03 max 0.70 max -

Alloy 28 (UNS N08028, W. Nr. 1.4563) is a nickel-iron-chromium alloy with additions of molybdenum and copper. It has excellent resistance to both reducing and oxidizing acids, to stress-corrosion cracking, and to localise attack such as pitting and crevice corrosion. The alloy are especially resistant to sulphuric and phosphoric acid. Used for chemical processing, pollution control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production and pickling equipment.

Typical Mechanical Properties

Material Tensile Strength MPa Yield Strength (0.2% Offset) MPa Elongation (%)
Alloy 28 Tube 650 250 40

Availability
Alloy 28 is available in Instrument tube, Precision tube and Hydraulic tube. Alloy 28 can also be supplied in Coiled Tube with a seamless and welded execution. For all stock availability contact Sales.

Specifications
Similar Specifications Alloy 825 tube

Services
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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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