Pipes, Fittings & Flanges Saudi Arabia

Pipes, Fittings & Flanges – Product Details

As a pipe fittings distributor in Saudi Arabia, Diode Trading EST supplies the piping components that plants, contractors and fabricators need for process, utility and fire-water lines. Pipe is available in seamless and welded form in common schedules, with matching fittings and flanges so a complete spool can be sourced from one supplier.

Flanges are supplied to ASME B16.5 and B16.47 in weld neck, slip-on, blind, socket weld, threaded and lap joint types, with raised-face or ring-joint facing. Fittings follow ASME B16.9 (butt-weld) and B16.11 (forged socket-weld and threaded). We also supply industrial flanges, bolts and fittings to GCC customers with manufacturer certificates on request.

Carbon steel pipe: ASTM A106 Gr B, A53, API 5L, seamless and ERW, Sch 40 to Sch 160
Stainless steel pipe: ASTM A312 TP304/304L and TP316/316L
Butt-weld fittings: elbows, tees, reducers, caps, stub ends in A234 WPB and A403
Forged fittings: socket-weld and threaded, Class 3000 and 6000, A105 and A182
Flanges: weld neck, slip-on, blind, socket weld, threaded, lap joint, Class 150 to 2500
Stud bolts, nuts and gaskets to complete the flanged joint
Applications: process piping, utility lines, fire-water, water treatment, structural fabrication

Where it is used:

Refineries, gas plants and petrochemical complexes in Jubail, Ras Tanura and Yanbu
Power and desalination plants in the Eastern Province and on the Red Sea coast
Water treatment and pumping stations across the Kingdom
Fabrication workshops and EPC contractors in Dammam and Al Khobar
Cement, mining and manufacturing plants

Which pipe grades do you stock?
Carbon steel A106 Gr B, A53 and API 5L, plus stainless steel A312 TP304/304L and TP316/316L in common sizes and schedules.

Do you supply matching fittings and flanges together?
Yes. Pipe, butt-weld and forged fittings, flanges, stud bolts and gaskets can be supplied as one order from our Dammam warehouse.

Can you provide mill test certificates?
Manufacturer MTCs are available with the goods when requested at the time of order.

Pipes, Fittings and Flanges Supply from Dammam

Diode Trading EST is a pipes, fittings and flanges supplier in Saudi Arabia operating from a warehouse in Dammam. We are a trading company, not a mill: we source pipe, fittings and flanges from established manufacturers and hold the commonly requested sizes in stock so that maintenance, shutdown and project orders in the Eastern Province can be met without long import lead times.

Our inventory covers carbon steel and stainless steel pipe in standard lengths, butt-weld and forged fittings, and forged flanges in the pressure classes most used in local process and utility piping. Pipe can be supplied in full lengths or cut to the lengths you need, and larger or less common sizes can be sourced through our supplier network with a clear delivery time.

When enquiring, please share the pipe size, schedule or wall thickness, material grade, fitting type, flange class and facing, and the quantities. If you are putting together a bill of materials for the first time, Read our buying guide for an overview of grades, standards and how the pieces fit together.

To order, use our request a quote page, email sales@diode.sa, or message us on WhatsApp at +966 56 838 3649. Stock items ship from Dammam to Al Khobar, Jubail, Riyadh, Jeddah and other cities, and we export to Bahrain, Qatar, Kuwait, the UAE and Oman with the documents needed for customs clearance.

Are you a pipe manufacturer?
No. Diode Trading EST is a supplier and distributor. We stock products made by established mills and forge shops and supply them from Dammam.

Can pipe be cut to length?
Yes. Pipe can be supplied in full lengths or cut to your required lengths before dispatch.

What do you need for a quotation?
Size, schedule, material grade, standard, fitting or flange type, pressure class, facing and quantity for each line item.

Do you deliver to other GCC countries?
Yes. We ship from Dammam to customers across the GCC with export documentation prepared.