Industrial depth

Steel, pipe & technical supply

Macro Group’s trading and EPC arms routinely support line-pipe, casing, structural, and utility pipe programs. The scope below reflects typical specification families and end-uses we coordinate with audited partners — exact mills, routes, and certificates are confirmed per inquiry.

Stacks of metal pipe on a factory line — illustrative stock photo — Mill or yard line with stacked pipe — typical of line pipe and structural programs (illustrative image).

Large-diameter steel pipe sections in an industrial facility — illustrative stock photo — Large-diameter pipe suitable for transmission, casing, or heavy-duty utility scopes (illustrative image).

Photography: stock images via Unsplash (xing bowen). Not a specific Macro Group site.

Typical product families

Line pipe & offshore-grade material (API 5L / IS-ISO 3183 classes)
Oil-well casing & tubing (API 5CT)
Pressure & mechanical pipe (ASTM A53 and equivalent)
Structural hollow sections (IS 1161)
Water, sewage & well casing (IS 3589, IS 4270)

Where products are deployed

Oil & gas transmission, gathering, and cross-country pipelines
Refining, petrochemical, and process plants
Water, sewage, and industrial utility networks
Power, infrastructure, and heavy fabrication

Quality & compliance focus

Programs are aligned with ISO 9001-class quality systems, API monogram routes where required, BIS listings for India-bound material, and documented inspection plans (hydro, NDT, lab testing) matched to the standard on the order.

API 5L API 5CT ASTM A53 IS 1161 IS 3589 IS 4270 ISO 9001 API Q1

Typical ERW envelope (industry reference): large-diameter ERW programs often range from about ½″–20″ nominal with wall thickness in the single-digit to ~12.7 mm band for black and galvanized service — subject to mill pass, heat treatment, and project design. Share your line list and design code for a matched offer.

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