Pipe, fittings, flanges and valves — held, not ordered.
Ali Al-Nassar & Partners Company is a well-known supplier and stockist of pipes, flanges, pipe fittings and valves from world-leading manufacturers. The following is the range we carry; enquire for current availability against your line list.
What we carry in depth
Pipe — seamless & welded
Carbon steel, galvanised and stainless, in seamless and welded construction, across the wall thicknesses the Kingdom's projects specify most.
Seamless
| Material | Size range | Wall thickness | Specification |
|---|---|---|---|
| Carbon steel | 1/2" – 24" | S-20 to S-XXS | API 5L B · API 5L X-42 · SA 106B · SA 53B |
| Galvanised seamless | 1/2" – 6" | S-40 & S-60 | ASTM A53A · A120A |
| Stainless steel | 1/2" – 6" | S-10 to S-80 | 304/304L · 316/316L |
| Low-temperature carbon steel | 1/2" – 24" | To specification | ASTM A334 |
Welded
| Construction | Size range | Notes | Specification |
|---|---|---|---|
| ERW — electric resistance welded | 1/2" – 24" | Carbon steel, general service and line pipe | API 5L B · SA 53B |
| SAW — submerged arc welded | 26" – 36" | Large-bore line pipe | API 5L B · API 5L X-42 |
| Stainless steel welded | 1/2" – 8" | Austenitic | 304/304L · 316/316L |
Butt-weld fittings
A full complement of butt-weld fittings to ASME B16.9 and B16.28, with MSS-SP-43 and MSS-SP-75 items carried for stainless and high-yield service.
Elbows
Long radius 90° and 45° elbows, plus 180° returns.
Tees & crosses
Equal and reducing tees; crosses to specification.
Reducers
Concentric and eccentric reducers across the carried size range.
Caps & bends
End caps and pulled bends for line terminations and routing.
- Standards
- ASME B16.9 · ASME B16.28 · MSS-SP-43 · MSS-SP-75
- Materials
- Carbon steel · low-temperature carbon steel · stainless 304/304L and 316/316L
- Principal mills
- Benkan · BKL · Interfit · Ulma Forge · Mega
Flanges
Forged flanges from #150 through to #2500, covering ASME B16.5 and the large-diameter B16.47 series, with AWWA and DIN patterns carried for water and European-specified work.
| Type | Pressure class | Standard |
|---|---|---|
| Welding neck | #150 · #300 · #600 · #900 · #1500 · #2500 | ASME B16.5 / B16.47 |
| Slip on | #150 · #300 · #600 · #900 | ASME B16.5 |
| Blind | #150 · #300 · #600 · #900 · #1500 · #2500 | ASME B16.5 / B16.47 |
| Socket weld | #150 · #300 · #600 · #900 | ASME B16.5 |
| Threaded | #150 · #300 · #600 | ASME B16.5 |
Forged flange supply — Ulma Forge, Spain, among principal sources.
Valves
Gate, ball, check and butterfly valves from 1/2" to 14", in cast carbon steel to ASME SA216 Grade WCB and in bronze for utility and fire service.
Gate valves
Isolation duty across process and utility lines.
Ball valves
Quarter-turn isolation for tight shut-off requirements.
Check valves
Non-return protection for pumps and headers.
Butterfly valves
Compact regulation and isolation on larger bores.
The mills behind the stock.
Our ISO certifications offer the confidence you need when specifying products — and the material behind them comes from manufacturers your approved vendor list already recognises.
Sumitomo Metal Industries
Japan — seamless carbon and alloy pipe.
Benkan · BKL
Japan & Thailand — butt-weld fittings.
Interfit
France — forged and butt-weld fittings.
Ulma Forge
Spain — forged flanges across pressure classes.
Velan
Canada — gate, globe, check and ball valves.
Kitz
Japan — industrial valve range.
Standards we supply to
Ranges shown reflect the categories we stock. Availability, schedule and grade are confirmed against your line list at the time of enquiry.
Send the line list. We'll mark what's on the ground.
Every enquiry is time-stamped and logged on arrival, then answered in the order received. Include size, schedule, grade and quantity for the fastest turnaround.