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 specialized Incoloy 800HT Tubes Supplier in Saudi Arabia, providing the highest tier of nickel-iron-chromium performance for the Kingdom’s most punishing high-temperature infrastructure. Incoloy 800HT (UNS N08811) represents the peak of metallurgical evolution in the 800 series. Through strictly controlled Aluminum and Titanium additions (0.85%–1.20% combined) and precise solution annealing, this alloy achieves superior creep-rupture strength and long-term stability at temperatures exceeding 600°C (1100°F). It is the premier choice for ethylene cracking furnaces, high-pressure hydrogen service, and heavy-duty process piping that must withstand sustained thermal loading without dimensional deformation.
As a specialized Incoloy 800HT seamless and welded tube stockist, we offer material manufactured to stringent ASTM B163 (Seamless) and ASTM B515 (Welded) standards. This comprehensive stock strategy allows us to support major EPC projects with precision—delivering high-integrity seamless tubes for burner-zone critical sections and reliable welded tubes for high-temperature manifold assemblies. Alloy 800HT’s enhanced chemistry provides unparalleled resistance to oxidation, carburization, and thermal fatigue, ensuring your equipment achieves maximum design life in the intensive operational environments typical of Jubail and Yanbu refineries.
We serve as a trusted Incoloy 800HT Tubes exporter in Saudi Arabia, ensuring that every delivery satisfies the demanding quality standards of petrochemical majors, ethylene plant operators, and thermal processing EPCs. Our supply is fully backed by MTC EN 10204 3.1 certification and rigorous testing, including PMI, hydrostatic, and eddy current validation. Whether you are managing critical furnace coil replacements, grassroots ethylene plant development, or high-heat system upgrades, our team provides the premium alloys necessary to ensure total operational safety and reliability.
Incoloy 800HT Seamless Tube Supplier
Incoloy 800HT Welded Tube
Incoloy 800HT Tubing Bends
| Technical Product Details | |
|---|---|
| Item / Trade Name | Incoloy Alloy 800HT Tube | ASTM B163/B515 Incoloy 800HT |
| 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 800HT Precision Tubes
Incoloy 800HT Heat Exchanger Tube
Incoloy 800HT Cold Drawn Seamless Tube
Incoloy 800HT Extruded Seamless Tube
Incoloy 800HT Round Tube
Incoloy 800HT Capillary Tube
| Element | Composition Percentage (%) |
|---|---|
| Nickel (Ni) | 30.0 – 35.0 |
| Chromium (Cr) | 19.0 – 23.0 |
| Iron (Fe) | 39.5 Min (Balance) |
| Aluminum (Al) | 0.85 – 1.20 |
| Titanium (Ti) | 0.25 – 0.60 |
| Carbon (C) | 0.06 – 0.10 |
| Manganese (Mn) | 1.5 Max |
| Silicon (Si) | 1.0 Max |
| Copper (Cu) | 0.75 Max |
| Sulfur (S) | 0.015 Max |
Physical Properties
| Property | Value / Specification |
|---|---|
| Density | 7.94 g/cm³ |
| Melting Point | 1385 °C (2525 °F) |
| Tensile Strength | 75,000 psi (520 MPa) |
| Yield Strength (0.2% Offset) | 30,000 psi (205 MPa) |
| Elongation | 30% |
| Standard Organization | Designation / Grade |
|---|---|
| UNS | N08811 |
| Werkstoff Nr. | 1.4959 |
| EN (European) | X5NiCrAlTi31-20 |
| AFNOR (French) | Z6NC33-21 |
| JIS (Japanese) | NCF 800HT |
| BS (British) | NA 15H |
| ISO | NiFe32Cr20 |
| NPS (in) | Outside Diameter (in) | Incoloy 800HT 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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