Golden Steel Material is a premier ISO-certified stockist based in Al Jubail. We supply high-performance pipes, fittings, valves, and flanges to the Oil & Gas and Industrial sectors across Saudi Arabia and the GCC.
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Golden Steel Material is a premier Monel 400 Tubes Supplier in Saudi Arabia, providing high-performance Nickel-Copper alloy solutions for the Kingdom’s most aggressive chemical and marine environments. Monel Alloy 400 (UNS N04400) is renowned for its exceptional resistance to hydrofluoric acid, sulfuric acid, and alkalis, making it a critical component for alkylation units and chemical processing plants in Jubail and Yanbu. Unlike many stainless steels, Monel 400 remains virtually immune to chloride-induced stress corrosion cracking, providing a long-term safety advantage for critical infrastructure.
As a leading Monel 400 Seamless Tubes stockist, we supply materials manufactured to ASTM B163 and B165 standards, specifically designed for high-pressure service. These tubes exhibit remarkable mechanical properties at sub-zero temperatures and retain their strength up to 1000°F (538°C), making them ideal for heat exchangers and boiler feed-water heaters in Saudi power generation facilities. The alloy’s excellent resistance to high-velocity seawater makes it the gold standard for marine engineering, desalination pump components, and offshore splash zone piping along the Red Sea and Arabian Gulf.
We serve as a trusted Monel 400 Tubes exporter in Saudi Arabia, ensuring that every delivery is backed by comprehensive MTC 3.1 certification and PMI testing. Our Monel 400 tubing is engineered for superior weldability and fabricability, allowing for complex configurations in refinery instrumentation and marine hardware. Whether you are upgrading a petrochemical manifold or maintaining offshore cooling systems, our Monel 400 solutions deliver the durability required to withstand the harshest corrosive media in the Kingdom.
Monel 400 Seamless Tube Supplier
Monel 400 Welded Tube
Monel 400 Seamless / Welded Pipe
| Trade Name | Monel 400, Alloy 400, Nickel-Copper Alloy |
| Size Range (OD) | 6.35 mm OD to 152 mm OD |
| Wall Thickness (SWG) | 10 SWG, 12 SWG, 14 SWG, 16 SWG, 18 SWG, 20 SWG |
| Available Forms | Round, Coil, ‘U’ Shape, Square, Rectangular |
| Length | Standard Length (6 Meters), Double Random & Custom Cut-to-length |
| Value Added Services | Draw & Expansion, Precision Bending, Annealed & Pickled (AP), Machining, Sand Blasting |
| Testing & Certification | MTC EN 10204 3.1, NABL Laboratory Testing, Third-Party Inspection (TUV, DNV, Lloyd’s) |
| Primary Applications | Shipping, Offshore Construction, Seawater Condensers, Heat Exchangers, Alkylation Units |
| Standard Body | Designation / Grade |
|---|---|
| UNS | N04400 |
| Werkstoff Nr. | 2.4360 |
| EN (European) | NiCu30Fe |
| BS (British) | NA 13 |
| JIS (Japanese) | NW 4400 |
| AFNOR (French) | NU-30M |
| GOST (Russian) | МНЖМц 28-2,5-1,5 |
| Pipe / Tube Type | NB Size | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
|---|---|---|---|---|---|---|
| ASTM B165 Monel 400 Seamless / Welded Tube |
1/8" | — | ||||
| 1/4" | — | |||||
| 3/8" | — | |||||
| 1/2" | ||||||
| 3/4" | ||||||
| 1" | ||||||
| 1 1/4" | ||||||
| 1 1/2" | ||||||
| 2" | ||||||
| 2 1/2" | ||||||
| 3" | ||||||
| 4" | ||||||
| 5" | — | |||||
| 6" | — |
| Element | Percentage (%) Specification |
|---|---|
| Nickel (Ni) | 63.00 Min |
| Copper (Cu) | 28.00 – 34.00 |
| Iron (Fe) | 2.50 Max |
| Manganese (Mn) | 2.00 Max |
| Carbon (C) | 0.30 Max |
| Silicon (Si) | 0.50 Max |
| Sulfur (S) | 0.024 Max |
Physical Properties
| Property Type | Value / Specification |
|---|---|
| Density | 8.80 g/cm³ |
| Melting Point | 1300 – 1350 °C (2370 – 2460 °F) |
| Tensile Strength (Min) | 480 MPa (70,000 psi) |
| Yield Strength 0.2% Offset (Min) | 195 MPa (28,000 psi) |
| Elongation (% in 50mm) | 35% Min |
| Hardness (Rockwell B) | 65 – 80 HRB |
| Specific Heat | 427 J/kg·°C |
| Thermal Conductivity | 21.8 W/m·°C |
| Industrial Locations & Keywords |
|---|
| Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair) |
| Jeddah Industrial Cities (1st, 2nd & 3rd) |
| Dammam Industrial Areas (1st, 2nd & 3rd) |
| Jubail Industrial City |
| Yanbu Industrial City |
| Rabigh Industrial City |
| Al Khobar Industrial Area |
| Al Ahsa Industrial City |
| Madinah Industrial City |
| Makkah Industrial City |
| Taif Industrial City |
| Tabuk Industrial City |
| Jazan Industrial City |
| Industrial supplier in Saudi Arabia |
| Pipe fittings supplier in Jubail / Dammam / Riyadh |
| Flange and valve supplier Saudi Arabia |
| Fast delivery industrial materials KSA |
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