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 leading Incoloy 330 Tubes Supplier in Saudi Arabia, specializing in high-performance nickel-iron-chromium alloys designed for sustained service in extreme temperature environments. Incoloy 330 (UNS N08330) is an austenitic alloy renowned for its superior resistance to oxidation and carburization at elevated temperatures where standard stainless steels lose their strength and become brittle. By maintaining a high nickel and chromium balance, Incoloy 330 offers the structural stability required for petrochemical refinery heaters, heat-treating furnace components, and radiant tubes that undergo constant, rapid thermal cycling.
As a specialized Incoloy 330 seamless and welded tube stockist, we supply tubing manufactured to strict ASTM B739 (Welded) and ASTM B535 (Seamless) specifications. This dual-standard capability allows us to support your project requirements across the full spectrum—from cost-effective welded assemblies for furnace muffles and retorts to high-integrity seamless lines for critical process piping. Incoloy 330’s unique chemistry is specifically engineered to resist the "carbon attack" (carburization) that typically plagues furnace components, ensuring that your critical equipment achieves maximum service life in the demanding industrial clusters of Jubail and Yanbu.
We serve as a trusted Incoloy 330 Tubes exporter in Saudi Arabia, guaranteeing that every tube meets the rigorous metallurgical demands of petrochemical majors, refinery operators, and thermal processing EPC contractors. Our inventory is fully supported by MTC EN 10204 3.1 certification and undergoes comprehensive PMI, hydrostatic, and eddy current testing. Whether your needs involve furnace repair, high-temperature infrastructure expansion, or mission-critical maintenance turnarounds, we provide the precision-grade alloys necessary to ensure your thermal systems operate with total reliability and safety.
Incoloy 330 Seamless Tube Supplier
Incoloy 330 Welded Tube
Incoloy 330 Tubing Bends
| Technical Product Details | |
|---|---|
| Item / Trade Name | Incoloy Alloy 330 Tube | ASTM B739 Incoloy 330 |
| Available Grades | Inconel 600 (UNS N06600), 601 (N06601), 617, 625 (N06625), 718 (N07718), 740, X-750 (N07751), Incoloy 20, 330, 800 (N08800), 800H (N08810/11), 800HT, 825 (N08825), 925 |
| Standards & Specifications | ASTM / ASME SB 163, 167, 517, 704, 705, 161, 165, 444, 622, 677, 722, 729, 730 | AMS 5581 | GB, ISO, EN, JIS |
| Tube Type | Seamless, Welded (ERW), Fabricated, LSAW Tubes |
| Size Range (Seamless) | 6.35 mm OD to 101.6 mm OD (As per ASTM B163) |
| Size Range (Welded/ERW) | 6.35 mm OD to 152 mm OD (As per ASTM B730) |
| General Dimensions | OD: 10mm - 219mm | Length: 1000mm - 15000mm |
| Wall Thickness | 0.5mm to 60mm | SWG: 10, 12, 14, 16, 18, 20 Swg |
| Condition & Finish | Condition: Hard (Y) / Soft (M) Finish: Polished, Annealed & Pickled (AP), Bright Annealed (BA), MF |
| Form & End Connection | Form: Round, Coil, ‘U’ Shape, Square, Rectangular Ends: Plain End, Beveled End, Threaded |
| Inspection & Testing | Ultrasonic Testing, Non-Destructive Electric Test, Hydrostatic, Eddy Current, Flattening, Flaring, Visual Surface Inspection, Dimensional Inspection, Tensile Properties, Chemical Analysis, Bend Test, Heat Treatment, Hardness, I.C. Test |
| Certification | ISO EN 10204 3.1 / 3.1B / 3.2, PED, DNV, TUV Certified |
| Marking | Standard, Grade, OD, Thickness, Length, Heat No. (Custom Marking available upon request) |
| Delivery & Origin | Delivery: Specialized in Shutdown, Emergency, and Project Rush Demands Origin: American, Russian, Japanese, Chinese Standard stock |
Incoloy 330 Precision Tubes
Incoloy 330 Heat Exchanger Tube
Incoloy 330 Cold Drawn Seamless Tube
Incoloy 330 Extruded Seamless Tube
Incoloy 330 Round Tube
Incoloy 330 Capillary Tube
| Element | Composition Percentage (%) |
|---|---|
| Nickel (Ni) | 34.0 – 37.0 |
| Chromium (Cr) | 17.0 – 20.0 |
| Silicon (Si) | 0.75 – 1.50 |
| Carbon (C) | 0.08 Max |
| Manganese (Mn) | 2.0 Max |
| Phosphorus (P) | 0.03 Max |
| Sulfur (S) | 0.03 Max |
| Iron (Fe) | Balance |
Physical Properties
| Property | Metric | Imperial |
|---|---|---|
| Tensile Strength | 515 MPa | 75,000 psi |
| Yield Strength (0.2% Offset) | 205 MPa | 30,000 psi |
| Elongation | 30% – 40% | 30% – 40% |
| Elastic Modulus | 193 GPa | 28,000 ksi |
| Hardness (Rockwell B) | 80 – 90 HRB | 80 – 90 HRB |
| Standard Organization | Designation / Grade |
|---|---|
| UNS | N08330 |
| Werkstoff Nr. | 1.4886 / 1.4884 |
| EN (European) | X12NiCrSi35-16 |
| AFNOR (French) | Z12NC35-16 |
| BS (British) | — |
| JIS (Japanese) | — |
| ISO | NiFe35Cr16 |
| NPS (in) | Outside Diameter (in) | Incoloy 330 Wall Thickness per Schedule (in) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCH 10 | SCH 20 | SCH 30 | SCH STD | SCH 40 | SCH 60 | SCH XS | SCH 80 | SCH 100 | SCH 120 | SCH 140 | SCH 160 | SCH XXS | ||
| 1/8 | 0.405 | - | - | - | 0.068 | 0.068 | - | 0.095 | 0.095 | - | - | - | - | - |
| 1/4 | 0.540 | - | - | - | 0.088 | 0.088 | - | 0.119 | 0.119 | - | - | - | - | - |
| 3/8 | 0.675 | - | - | - | 0.091 | 0.091 | - | 0.126 | 0.126 | - | - | - | - | - |
| 1/2 | 0.840 | - | - | - | 0.109 | 0.109 | - | 0.147 | 0.147 | - | - | - | 0.187 | 0.294 |
| 3/4 | 1.050 | - | - | - | 0.113 | 0.113 | - | 0.154 | 0.154 | - | - | - | 0.219 | 0.308 |
| 1 | 1.315 | - | - | - | 0.133 | 0.133 | - | 0.179 | 0.179 | - | - | - | 0.250 | 0.358 |
| 1 1/4 | 1.660 | - | - | - | 0.140 | 0.140 | - | 0.191 | 0.191 | - | - | - | 0.250 | 0.382 |
| 1 1/2 | 1.900 | - | - | - | 0.145 | 0.145 | - | 0.200 | 0.200 | - | - | - | 0.281 | 0.400 |
| 2 | 2.375 | - | - | - | 0.154 | 0.154 | - | 0.218 | 0.218 | - | - | - | 0.344 | 0.436 |
| 2 1/2 | 2.875 | - | - | - | 0.203 | 0.203 | - | 0.276 | 0.276 | - | - | - | 0.375 | 0.552 |
| 3 | 3.500 | - | - | - | 0.216 | 0.216 | - | 0.300 | 0.300 | - | - | - | 0.438 | 0.600 |
| 3 1/2 | 4.000 | - | - | - | 0.226 | 0.226 | - | 0.318 | 0.318 | - | - | - | - | - |
| 4 | 4.500 | - | - | - | 0.237 | 0.237 | - | 0.337 | 0.337 | - | 0.438 | - | 0.531 | 0.674 |
| 5 | 5.563 | - | - | - | 0.258 | 0.258 | - | 0.375 | 0.375 | - | 0.500 | - | 0.625 | 0.750 |
| 6 | 6.625 | - | - | - | 0.280 | 0.280 | - | 0.432 | 0.432 | - | 0.562 | - | 0.719 | 0.864 |
| 8 | 8.625 | - | 0.250 | 0.277 | 0.322 | 0.322 | 0.406 | 0.500 | 0.500 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
| 10 | 10.750 | - | 0.250 | 0.307 | 0.365 | 0.365 | 0.500 | 0.500 | 0.594 | 0.719 | 0.844 | 1.000 | 1.125 | 1.000 |
| 12 | 12.750 | - | 0.250 | 0.330 | 0.375 | 0.406 | 0.562 | 0.500 | 0.688 | 0.844 | 1.000 | 1.125 | 1.312 | 1.000 |
| 14 | 14.000 | 0.250 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.500 | 0.750 | 0.938 | 1.094 | 1.250 | 1.406 | - |
| 16 | 16.000 | 0.250 | 0.312 | 0.375 | 0.375 | 0.500 | 0.656 | 0.500 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | - |
| 18 | 18.000 | 0.250 | 0.312 | 0.438 | 0.375 | 0.562 | 0.750 | 0.500 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | - |
| 20 | 20.000 | 0.250 | 0.375 | 0.500 | 0.375 | 0.594 | 0.812 | 0.500 | 1.031 | 1.281 | 1.500 | 1.750 | 1.969 | - |
| 22 | 22.000 | 0.250 | 0.375 | 0.500 | 0.375 | - | 0.875 | 0.500 | 1.125 | 1.375 | 1.625 | 1.875 | 2.125 | - |
| 24 | 24.000 | 0.250 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.500 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | - |
| 30 | 30.000 | 0.312 | 0.500 | 0.625 | 0.375 | - | - | 0.500 | - | - | - | - | - | - |
| 32 | 32.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.688 | - | - | - | - | - | - | - | - |
| 34 | 34.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.688 | - | - | - | - | - | - | - | - |
| 36 | 36.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.750 | - | - | - | - | - | - | - | - |
| 42 | 42.000 | - | 0.500 | 0.625 | 0.375 | 0.750 | - | - | - | - | - | - | - | - |
| 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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