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Ferrite Content by Point Count Method (Lab-based)

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DETERMINE FERRITE CONTENT IN AUSTENITIC AND duplex stainless steel

Duplex stainless steel is widely used in many areas, such as the chemical, food and oil & gas industries. They are characterized ideally by equal amounts of ferrite and austenite, which provides increased mechanical resistance due to the fine grain size. Due to their significant properties in mechanical and corrosion resistance, these materials are useful for industries requiring long-life components.

Mechanical properties and corrosion resistance depending on the steel’s ferrite content, especially at high temperatures. The ferrite content measurement provides critical data to prevent the steel’s future failure or damage. This ferrite content test is useful for industries such as oil and gas and power and process engineering plants exposed to high temperature, aggressive media and high pressure. In stainless steel, if the ferrite content is too low, the weldment is susceptible to hot-cracking or solidification cracks, and if the ferrite content is too high, the toughness, ductility, and corrosion resistance of the steel are reduced.

PTS forms ferrite content counting conforming to ASTM E562, which involves the sample preparation and etching of cross-sectional samples to be evaluated under a microscope for systematic point-based counting.

This test is usually used to evaluate the volume fraction of ferrite in duplex and austenitic stainless steels, especially for weldment products. If the volume fraction of ferrite is too low, the stainless steel may be susceptible to solidification cracking upon welding, and if the volume fraction is too high, the material may not possess enough corrosion resistance.

Due to duplex stainless steel significant properties in both mechanical and corrosion resistance, it makes these materials useful for the industries, which requires long-life components.

The measurement of ferrite content provides critical data to prevent any future failure or damage of the steel.

Mechanical properties and corrosion resistance depend on the ferrite content in the steel especially at high temperatures.

This ferritescope test is useful for industries such as oil and gas, power and process engineering plants that are exposed to high temperature, aggressive media and high pressure.

APPLICATION OF FERRITE CONTENT BY POINT COUNT METHOD (LAB BASED):

Ferrite reading is displayed automatically and stored in the instrument

Ferrite measuring instrument offers continuous measurement capture" function

Ferrite content measurements can be carried out regardless of the substrate material properties starting at a plating thickness of 3 mm

Measure ferrite percentage in specific locations e.g. weld metal, heat affected zone, parent material

Ferrite reading is displayed automatically and stored in the instrument

Measurements can be carried out regardless of the substrate material properties starting at a plating thickness of 3 mm

Common Test Methods

ASTM E562

Talk to us today

Ferrite content analysis provides critical data for austenitic stainless steel and duplex materials. Our expert testing team provide ferrite testing on welding and piping products with our portable handheld battery-operated Ferrite testers.

For more information on our ferrite content test, call us or send us an enquiry today.

process timeline

Process #1
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Process #2
Lorem ipsum dolor sit amet, mea ei viderer probatus consequuntur, sonet vocibus lobortis has ad. Eos erant indoctum an, dictas invidunt est ex, et sea consulatu torquatos. Nostro aperiam petentium eu nam, mel debet urbanitas ad, idque complectitur eu quo. An sea autem dolore dolores.
Process #3
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Process #5
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