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Type 304 Square Tubes

Type 304 Square Tubes

Type 304 Square Tubes
Seamless and Welded

Type 304 is a low carbon “18-8”  chromium-nickel stainless steel.  It combines excellent physical properties with remarkable resistance to many corrosive agents encountered in domestic and industrial use.  The low carbon content provides good corrosion resistance in welded construction where subsequent solution heat treatment is not practical.  It has good heat resistance and maintains its strength at elevated temperatures up to 800º F.  It is non-magnetic in the annealed condition and not hardenable by heat treatment.  Both hardness and tensile strength can be increased by cold working.

Applications — It is used in the fabrication of parts where corrosion resistance and good physical properties and heat resistance up to 800ºF are required.  It is widely  used in such industries as dairy, beverage, and other food products, where the highest degree of sanitation and cleanliness is of prime importance.  Parts for handling acetic, nitric, and citric acids, organic and inorganic chemicals, dyestuffs, crude and refined oils, etc., are fabricated from this material.  Because of its lack of magnetism it is highly desirable for instruments.

Corrosion Resistance — Maximum corrosion resistance is obtained in the annealed condition.  Intergranular corrosion may occur when material is heated within or cooled through the range of 800º to 1500ºF.

Resistance to Scaling — Excellent scale resistance at temperatures up to 1600ºF in continuous service.  Chromium-nickel grades have a high coefficient of expansion, which should be considered in designing.

Book Reference:
Earle M. Jorgensen Company Reference Book

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