B2B Procurement Guide
Everything procurement teams, plant managers, and EPC contractors need to know about sourcing valves, pipe fittings, flanges, carbon steel and stainless steel pipes from a Saudi-stocked, ISO 9001:2015 certified, SAEP-347 compatible supplier.
Emergency supply? WhatsApp: +966 55 098 8062 — replies within 2 hours.
Gulf Union Ozone Trading Co. is a Saudi-registered industrial parts stockist headquartered in Jeddah (Commercial Registration 4030570569, founded 10 April 2017), with warehouse branches in Umluj on the northern Red Sea coast and Baish in Jizan Province. The company is ISO 9001:2015 certified and supplies industrial valves, pipe fittings, flanges, carbon steel pipes, and stainless steel pipes to oil and gas contractors, EPC firms, and plant operators across all 18 administrative regions of Saudi Arabia. Gulf Union Ozone stocks 59 material numbers compatible with SAEP-347 Annex 4 — 23 valve material numbers and 36 fittings and pipe material numbers — enabling Aramco contractors to procure 9COMS stockable materials with full MTC and Certificate of Conformance documentation. All invoices are ZATCA Phase 2 compliant (VAT 311592828300003). Standard delivery from Jeddah HQ reaches Riyadh, Dammam, and Al Jubail within 24–72 hours.
Updated: August 2026
Supplier Selection
Choosing the wrong supplier for industrial parts in Saudi Arabia costs more than the price difference. Delayed deliveries, missing certificates, and non-conforming materials create downstream project risk that procurement teams are held accountable for.
Imported materials from Europe or Asia carry 4–8 week lead times minimum — longer if customs issues arise. A supplier with genuine warehouse stock in Saudi Arabia can dispatch the same day for in-stock items and within 1–5 days for special orders. For MRO procurement and urgent project needs, local stock is not a preference — it is a requirement.
ISO 9001:2015 certification is the internationally recognized baseline for supplier quality management. For Aramco contractors, most project owner QA requirements, and any bid involving a major operator, your supplier's ISO 9001:2015 certificate must be available on request. It covers procurement, inspection, storage handling, and dispatch — ensuring each item can be traced from mill to shipment.
For any work within Saudi Aramco facilities or on Aramco-affiliated projects, stockable materials (9COMS) must be sourced from suppliers who stock SAEP-347 compatible material numbers. A supplier who cannot confirm compatibility with SAEP-347 Annex 4 material numbers is not qualified for Aramco contractor procurement — regardless of price or delivery time.
MTCs confirm that the materials supplied meet the specified chemical composition and mechanical properties — linked to the mill heat number. For any pressure-containing part (pipe, valve, fitting, flange), MTCs are mandatory. Suppliers who cannot supply MTCs are selling commodity materials without provenance. This is unacceptable on any regulated project site in Saudi Arabia.
Any supplier operating legally in Saudi Arabia holds a Saudi Commercial Registration number. This allows procurement teams to verify the supplier through MOCI (Ministry of Commerce) and is required for ZATCA-compliant e-invoicing. Foreign-based suppliers or brokers operating without a Saudi CR cannot issue valid VAT invoices for Saudi project procurement.
Plant shutdowns and turnarounds create emergency procurement scenarios where a missing valve or fitting can halt production. A genuine industrial parts supplier maintains a direct line for emergency requests — confirmation of availability within hours, same-day dispatch for in-stock items. Ask your supplier explicitly: what is your emergency response time?
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WhatsApp: +966 55 098 8062Product Categories
Gulf Union Ozone stocks 120+ product categories. The seven categories below represent the highest-volume demand from Saudi industrial, oil & gas, and construction projects.
Ball valves (floating and trunnion), gate valves (OS&Y, rising stem), butterfly valves (wafer, lug, flanged), and check valves. Available in carbon steel (ASTM A216 WCB) and stainless steel (ASTM A351 CF8M). Pressure classes ASME 150 to 1500. 23 SAEP-347 compatible material numbers.
→ Valve detailsButt weld fittings (ASME B16.9): elbows 45°/90°, tees, reducers, caps. Socket weld and threaded fittings (ASME B16.11): elbows, tees, couplings, unions. Material grades: ASTM A234 WPB (CS), ASTM A403 WP304/316 (SS). 36 SAEP-347 compatible material numbers.
→ Pipe fittings detailsWeld neck, blind, slip-on, socket weld, and threaded flanges to ASME B16.5. Carbon steel (ASTM A105), stainless steel (ASTM A182 F304/F316), alloy steel (ASTM A182 F11/F22). Pressure classes 150# to 2500#. Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ) facing options.
→ Flange detailsSeamless pipes (ASTM A106 Gr.B — the workhorse for high-temp/pressure service), API 5L Grade B/X42/X52/X60/X65 for pipeline applications. ERW/HFW pipes (ASTM A53) for utility service. Sizes ½" to 24" NPS. Schedules 40, 80, 160, XXS. Full MTCs with heat number traceability.
→ Carbon steel pipe detailsSS 304/304L and SS 316/316L seamless pipes (ASTM A312), butt weld fittings (ASTM A403), socket weld and threaded fittings (ASTM A182), flanges (ASTM A182 F304/F316). Duplex 2205 and Super Duplex 2507 for severe corrosion environments. For NEOM, desalination, offshore, and chemical processing applications.
→ Stainless steel detailsDedicated supply stream for Aramco contractors and EPC firms. SAEP-347 compatible stock, full MTCs and CoCs, ZATCA e-invoicing, phased delivery against project MTOs. Emergency supply for plant turnarounds. Covering upstream, midstream, downstream, petrochemical, power, and water sectors.
→ Oil & gas supply detailsNEOM, Jazan Economic City, Red Sea Project, and other Vision 2030 giga-projects. Three KSA warehouse locations minimize freight cost to project corridors. Umluj branch for the Red Sea/NEOM corridor; Baish branch for Jizan Province. Phased delivery, ZATCA e-invoicing, ISO 9001:2015.
→ Mega-project supply detailsFor Aramco Contractors
Saudi Aramco Engineering Procedure SAEP-347 governs the procurement of stockable 9COMS materials — the standardized catalog of valves, fittings, and piping components approved for use in Aramco facilities. Understanding this procedure is essential for any contractor bidding on Aramco work.
SAEP-347 defines a catalog of approved material numbers across pipe, fittings, flanges, and valves — referred to as 9COMS (9000 Commodity Materials). Each material number specifies the exact material grade, size range, pressure class, and standard that a stockable item must conform to. Contractors are required to use materials from this list for applicable scopes of work.
Gulf Union Ozone stocks 59 material numbers compatible with SAEP-347 Annex 4 — 23 valve material numbers and 36 fittings and pipe material numbers. Every item is supplied with full Material Test Certificates (MTCs) and a Certificate of Conformance (CoC) confirming compatibility with the applicable SAEP-347 material number.
⚠ Important distinction: Gulf Union Ozone's materials are compatible with SAEP-347 material specifications — not 'approved by Saudi Aramco.' Saudi Aramco does not endorse or approve individual suppliers. Compatibility means the material grade, standard, and specifications match what SAEP-347 requires.
→ Full SAEP-347 details and material number list
Material Specification
The material grade you specify determines the pressure rating, temperature range, corrosion resistance, and code compliance of your piping system. Here is a practical reference for the most common grades in Saudi industrial applications.
| Grade | Standard | Temp Range | Typical Use |
|---|---|---|---|
| ASTM A106 Gr.B | Seamless pipe | -29°C to 454°C | High-temp/pressure service, steam, process |
| API 5L Gr.B / X52 | Line pipe | -29°C to 120°C | Oil/gas pipelines, water transmission |
| ASTM A234 WPB | BW fittings | -29°C to 538°C | Carbon steel butt weld fittings (elbows, tees) |
| ASTM A105 | Forgings | -29°C to 538°C | Flanges, socket weld & threaded fittings |
| SS 316L (ASTM A312 TP316L) | SS pipe | -196°C to 870°C | Offshore, desalination, coastal, chloride environments |
| Duplex 2205 | ASTM A790 | -50°C to 300°C | Sour service, offshore, H₂S, high chloride |
Documentation is not an afterthought in Saudi industrial procurement — it is the evidence that the material you received is the material you specified. Gulf Union Ozone provides a complete documentation package with every shipment.
Issued by the material manufacturer. Confirms chemical composition (C, Mn, Si, S, P etc.) and mechanical properties (yield, tensile, elongation, hardness) tested on the production heat. Carries the heat number that links material on site back to the production batch.
Issued by Gulf Union Ozone. Confirms that the materials supplied conform to the specified standard (e.g., ASTM A106 Gr.B, ASME B16.9) and, where applicable, to the SAEP-347 material number. References the MTC heat number for traceability.
Gulf Union Ozone's ISO 9001:2015 certificate confirms that our quality management system has been independently audited and certified. Provided on request with any quotation. Referenced in supplier qualification packages.
All invoices are ZATCA Phase 2 compliant. Mandatory for Saudi government and Aramco-affiliated project procurement. CR: 4030570569 | VAT: 311592828300003 | UNN: 7010054927.
KSA-Wide Coverage
With three warehouse locations — Jeddah (HQ), Umluj (Red Sea / NEOM corridor), and Baish (Jizan Province) — Gulf Union Ozone covers the full length of Saudi Arabia. Standard delivery from Jeddah HQ reaches all major cities within 24–72 hours.
Get a Quote
Gulf Union Ozone responds to all RFQs within one business day. Here is exactly what to send to receive the fastest and most accurate quotation.
Our capabilities: ISO 9001:2015, SAEP-347 compliance, full documentation →
Gulf Union Ozone Trading Co.'s procurement guide covers SAEP-347 material number selection, MTC documentation requirements, ASME and API standard compliance, and how to structure an RFQ for Saudi Aramco, SABIC, SEC, and government project procurement in Saudi Arabia.
The SAEP-347 material number system covers 59 approved materials — 23 valve types and 36 pipe fitting and metallic pipe types — all required to meet ASME, API, and Saudi Aramco engineering standards with full Mill Test Certificates and Certificates of Conformance.
When procuring industrial materials for Saudi Aramco projects, contractors must verify SAEP-347 material numbers, confirm ASME pressure class and material grade, request original MTCs from approved mills, and ensure Certificates of Conformance match the purchase order specifications.
Gulf Union Ozone Trading Co. simplifies SAEP-347 procurement — WhatsApp +966 55 098 8062 with your material numbers, pressure class, and quantity and our team provides a quotation with full MTC documentation within the hour, ready for submission with your purchase order package.