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Alloy steel in Saudi Arabia is mostly chromium-molybdenum pipe, plate and forgings (P11, P22, P91) for refinery, petrochemical and steam service, with A193 B7 bolting, tool steel and spring steel. This page lists Saudi alloy steel suppliers and covers grade choice for heat and hydrogen, heat treatment and hardness control, sour service bolting, Aramco and SASO rules, and cost drivers.
Dammam is the Eastern Province's steel working centre because oil, gas and water projects need pipe, tanks, structures and treated metal close at hand. The metals and fabrication cluster sits mostly in the Second Industrial City. Seamless and welded tube mills there have made OCTG pipe and premium connections to API 5CT and Aramco standards since at least 2010, according to MEED reporting at the time. Several other large tube makers have reported works in the same city, and structural shops operate in the Third City.
Typical orders are carbon steel pipes, carbon steel plates, stainless steel pipes and tubes, flanges and pipe fittings. Fabrication work includes structural steel fabrication, piping spools, tank fabrication and pressure vessel fabrication. Surface work such as hot dip galvanizing and blasting is done by specialist yards in the industrial cities.
Start with the work you need: a shop that spools carbon steel pipe is not automatically qualified for duplex or high pressure vessels. Ask for welder qualification records, weld procedure specifications, inspection and test plans, and a list of recent jobs of similar size. Pressure parts for oil and gas customers normally need material test certificates and third party inspection, so confirm the inspector before cutting begins.
Imported steel comes through King Abdulaziz Port, while mill products from Jubail and elsewhere in the Eastern Province travel by road. Ask about lead times for plates and pipe on the shelf versus mill orders, and check whether the quote covers galvanizing or painting at the shop or a subcontractor. Local content scoring on Aramco work rewards in-Kingdom manufacturing, so ask a fabricator how much of its package is made in Saudi Arabia.
Post your drawings and bill of materials with post a requirement to receive comparable fabrication quotes.
Dammam is the Eastern Province's administrative centre and its main trading port, and most of its factories sit in estates run by MODON, the Saudi Authority for Industrial Cities and Technology Zones. The Dammam First, Second and Third Industrial Cities each serve a different stage of the city's growth. In December 2024 MODON reported contracts that included ready-built factories of 900 square metres, a fire station in the First Industrial City and phase two infrastructure upgrades in the Third. The Second Industrial City took 20 ready-built factories of 700 square metres in a 2022 MODON announcement. The Third Industrial City is the large one: about 48 million square metres south of Dammam along the Dhahran-Uqair Road, planned in 2013 for petroleum, mineral, plastic, automobile, food and building-materials industries. In October 2024 three MODON projects worth over SAR 318 million were reported there, including a 4.5 km road to King Salman Energy City. That energy city, known as SPARK, lies between Dammam and Al-Ahsa and was described in 2024 as a 50 square kilometre site for oil and gas suppliers. In November 2024 the Eastern Province Municipality awarded a further 2.4 million square metre industrial city project in Dammam.
King Abdulaziz Port is the gateway. A January 2026 report put its container capacity at just under 3.9 million TEU, and said Saudi Global Ports plans to invest SAR 3.5 billion in Dammam by 2030, including an integrated logistics park. The port is about 400 km from Riyadh, and the same report counted five to seven daily rail services between Dammam and two Riyadh locations. Dammam Airports announced agreements worth over SAR 500 million for airport upgrades in October 2025. Ask your forwarder whether your shipment clears at the port or moves in bond to the destination.
MODON handles plots and leases inside its estates. The Eastern Province Amana, based in Dammam, covers five municipalities, namely Dhahran, East Dammam, Central Dammam, West Dammam and al-Khobar, and issues certain professional licences. The Saudi Food and Drug Authority oversees food, medicines and medical equipment. Civil Defense approves fire and life safety, and Saudi Electricity Company connects power. Confirm each current process on the authority's own platform.
Oil and gas services lead, because Aramco is headquartered in nearby Dhahran and runs its iktva local-content programme for suppliers. Food and beverage plants, metal and plastic workshops, construction and data centres follow.
