304 Stainless Steel Pipe 4 inch Sch 40

304 stainless steel pipe 4 inch Sch 40 is a seamless austenitic pipe supplied with a 114.3 mm outside diameter and a 6.02 mm nominal wall. Grade 304 resists oxidation and general corrosion in most atmospheric and process environments, which makes it a practical choice for water, food and chemical lines.

Specifications

This item sits within our wider range of stainless steel pipe, supplied from 1/2 inch to 12 inch in grades 304, 304L, 316 and 316L.

Applications

Typical applications include potable and process water lines, food and beverage piping, CIP and wash-down circuits, chemical transfer, and general plant utilities. Because grade 304 keeps a clean, easily sanitised bore and resists rust staining indoors, the 4 inch Sch 40 size is often specified for headers, manifolds and fabricated spools. It is also used in wastewater treatment, pulp and paper mills, and HVAC cooling water systems.

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Need a quotation, sample length or mill test certificate for 4 inch Sch 40 304 stainless steel pipe? Contact us with your quantity, wall thickness, length and destination port — our export team replies within 24 hours.

Related Reading

Choosing between low-carbon and molybdenum grades for a process line? Read our comparison guide, 304L vs 316L pipe, for corrosion data, welding notes and selection criteria.