Pipe Suppliers in Pakistan — Carbon Steel, Stainless Steel & GI Pipes

A. Karimjee & Sons is a Karachi-based supplier of industrial piping materials serving projects across Pakistan. We stock and supply carbon steel pipes, stainless steel pipes and galvanized iron (GI) pipes in sizes from 1/4″ to 42″, manufactured to ASTM, API and BS EN specifications.

Whether you are laying a transmission line, building a process plant, or fitting out a water supply network, our team can match the right grade, schedule and end finish to your drawings — and back it with mill test certificates.

ASTM · API · BS EN — stocked in Karachi

Our Pipe Range

Carbon Steel Pipes

Seamless, ERW, SAW and spiral welded pipes to ASTM A106 Gr B, A53 Gr B and API 5L Gr B, in grades X42 to X70. Sizes 1/4″ to 42″, SCH 10 to 160 — built for high-pressure oil & gas, power and process service.

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Stainless Steel Pipes

Austenitic, duplex and super duplex pipes to ASTM A312, A358, A778, A249, A269 and A270 — TP304/316L, 321, 347, Duplex 2205 and 2507. For corrosion resistance, hygiene and high-temperature service.

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Galvanized Iron (GI) Pipes

Hot-dip galvanized pipes to ASTM A53, A795 and BS EN 10255, sizes 1/2″ to 8″, plain end or threaded and coupled. The standard choice for potable water, plumbing, fire-fighting and irrigation.

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Need this size in stock? Tell us the grade, schedule and quantity — we'll confirm availability.

Request a quote +92-21-32422431

Karachi · Supplying Pakistan

Why buy your pipes from A. Karimjee & Sons

Ready stock in Karachi: Reduced lead times on common sizes and grades, held at our warehouse.
Documented quality: Mill test certificates to EN 10204 3.1 supplied on request, with full heat traceability.
Full standards coverage: ASTM, API, ASME and BS EN specifications across carbon steel, stainless and GI.
One-stop supply: Pipes plus matching valves, flanges, fittings and gaskets from one supplier.
Technical support: Help selecting grade, schedule and end preparation for your service conditions.
Nationwide delivery: Karachi, Lahore, Islamabad, Faisalabad, Multan, Hyderabad, Quetta and project sites.