Alloy Designation :
Incoloy® 800 (UNS N08800)
Alloy Designation :
Incoloy® 800 (UNS N08800)
Primary Standard :
ASTM B366 / ASME SB366
Base Composition :
Nickel-Iron-Chromium Alloy
Mechanical Property :
Superior Creep & Stress Rupture Strength
Industrial processing facilities operating under prolonged thermal exposure and chemically demanding environments require piping components that maintain mechanical integrity and corrosion resistance over extended service periods. As a trusted Incoloy 800 Buttweld Fittings Supplier, KVN Steels manufactures high-performance nickel alloy fittings engineered for critical applications across the UAE. Our products are designed to deliver dependable performance in elevated-temperature systems where conventional stainless steels may no longer provide adequate reliability.
Manufactured from premium grades including Incoloy 800, Incoloy 800HT, and Incoloy 825, our fittings combine exceptional oxidation resistance, creep strength, and metallurgical stability with outstanding fabrication characteristics. We proudly support industrial projects throughout Dubai, Abu Dhabi, Sharjah, Ajman, Fujairah, Ras Al Khaimah, and Al Ain, supplying precision-engineered piping solutions that comply with international engineering standards.
Designed for Elevated Temperature and Corrosive Process Environments
Modern refineries, chemical plants, and power generation facilities require alloy components capable of withstanding continuous thermal loading while resisting carburization, oxidation, and aggressive process media. Our Incoloy 800 Buttweld Fittings Supplier in Dubai solutions are manufactured using advanced forming techniques and controlled heat treatment processes to ensure excellent dimensional accuracy, superior weldability, and long-term operational reliability.
Every fitting is produced in accordance with ASTM B366, ASME SB366, ASME B16.9, ASME B16.28, and MSS SP-43 specifications. Comprehensive quality verification includes Positive Material Identification (PMI), Hydrostatic Testing, Ultrasonic Testing (UT), Radiographic Testing (RT), dimensional inspection, and material certification to ensure consistent product performance.
Comprehensive Range of Incoloy Buttweld Fittings
KVN Steels supplies a complete selection of nickel alloy buttweld fittings for industrial piping systems, including:
Available in seamless and welded construction, these fittings are manufactured in various schedules, wall thicknesses, and dimensions to meet diverse engineering and process requirements.
Why Industries Prefer KVN Steels
Choosing an experienced Incoloy 800HT Fittings supplier requires confidence in manufacturing quality, metallurgical expertise, and dependable technical support. KVN Steels partners with EPC contractors, refinery operators, OEMs, fabrication companies, and industrial maintenance teams by delivering certified products engineered for demanding operating conditions.
Our strengths include:
Applications Across UAE Industries
Our Nickel Alloy Buttweld Fittings are extensively specified for industrial sectors where elevated temperatures, oxidation resistance, and long-term reliability are critical.
Common applications include:
Their excellent resistance to thermal fatigue, oxidation, carburization, and aggressive chemical environments ensures dependable operation in critical process piping systems.
Why Incoloy Alloys are Widely Specified
Incoloy alloys are specifically developed to retain mechanical strength and microstructural stability during prolonged exposure to elevated temperatures. The balanced nickel, iron, and chromium composition provides outstanding resistance to oxidation and scaling, while Incoloy 825 further enhances protection against sulfuric acid, phosphoric acid, chlorides, and reducing chemical environments. These metallurgical characteristics help extend equipment life, reduce maintenance frequency, and improve operational efficiency.
Your Trusted Incoloy 800 Buttweld Fittings Supplier
Whether your project requires Incoloy 800 Pipe Fittings UAE for thermal processing systems, Incoloy 825 Buttweld Fittings Sharjah for corrosive chemical applications, or Incoloy 800HT Fittings Abu Dhabi for high-temperature process plants, KVN Steels delivers precision-manufactured products supported by certified quality systems, technical expertise, and dependable logistics. Our commitment to engineering excellence has established us as a preferred Incoloy 800 Buttweld Fittings Supplier for industrial projects across the UAE.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
|---|---|---|---|---|---|---|---|---|
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | - | X8NiCrAlTi32-21 | XH32T |
| Incoloy 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
Incoloy 800 Buttweld Elbow
Designed to provide smooth directional flow, the Incoloy 800 Buttweld Elbow offers exceptional oxidation resistance and thermal stability for furnaces, petrochemical plants, power stations, and high-temperature process piping.
Incoloy 800HT Buttweld Alloy Tee
Engineered for efficient branch connections, the Incoloy 800HT Buttweld Alloy Tee delivers outstanding creep strength and structural integrity in heat exchangers, steam systems, and industrial thermal processing facilities.
Incoloy 800 Buttweld Eccentric Reducer
Facilitating seamless pipe size transitions, the Incoloy 800 Buttweld Eccentric Reducer minimizes flow turbulence while providing superior resistance to carburization and oxidation in elevated-temperature environments.
Incoloy 800HT Buttweld Concentric Reducer
Ensuring balanced fluid flow through gradual diameter reduction, the Incoloy 800HT Buttweld Concentric Reducer performs reliably in power generation, refinery units, and chemical processing systems operating under high temperatures.
Incoloy 825 Buttweld Long Stub End
Manufactured for secure lap joint flange assemblies, the Incoloy 825 Buttweld Long Stub End delivers outstanding resistance to sulfuric acid, phosphoric acid, and chloride-containing process media.
Incoloy 800 Buttweld Short Stub End
Providing economical flange connections with simplified maintenance, the Incoloy 800 Buttweld Short Stub End offers excellent thermal stability and mechanical reliability in industrial piping networks.
Incoloy 800HT Buttweld Alloy Cap
Designed to provide leak-proof pipeline closures, the Incoloy 800HT Buttweld Alloy Cap withstands prolonged high-temperature service while maintaining exceptional oxidation and creep resistance.
Incoloy 825 Buttweld Cross
Creating reliable four-way flow distribution, the Incoloy 825 Buttweld Cross combines outstanding corrosion resistance with long-term mechanical durability for aggressive chemical and offshore process applications.
Incoloy 800 Buttweld Pipe Bend
Optimized for smooth flow redirection, the Incoloy 800 Buttweld Pipe Bend maintains structural integrity and oxidation resistance in furnaces, heat treatment plants, petrochemical facilities, and high-temperature piping systems.
Alloy Designation :
Incoloy® 800 (UNS N08800)
Primary Standard :
ASTM B366 / ASME SB366
Base Composition :
Nickel-Iron-Chromium Alloy
Mechanical Property :
Superior Creep & Stress Rupture Strength
Oxidation Resistance :
Excellent up to 1100°C
Thermal Stability :
Resistant to Carburization & Scaling
Manufacturing Process :
Hot Worked & Solution Annealed
Available Construction :
Seamless & Fabricated
Quality Verification :
PMI, UT, RT & Metallographic Examination
Certification :
EN 10204 3.1 Material Test Certificate
Key Advantage :
Excellent Microstructural Stability During Continuous Heating
Typical Industries :
Ethylene Furnaces, Heat Treatment Plants, Power Boilers, Petrochemical Processing
Chemical Composition of Incoloy Alloy Seamless and Welded Pipe Fittings
| Incoloy | 800 | 800H | 825 |
|---|---|---|---|
| Ni | 30-35 | 30-35 | 38.0 – 46.0 |
| Fe | 39.5 min | 39.5 min | 22.0 min |
| Cr | 19-23 | 19-23 | 19.5 - 23.5 |
| Cu | 0.75 max | 0.75 max | 1.5 - 3.0 |
| Ti | 0.15-0.60 | 0.15-0.60 | 0.6 - 1.2 |
| Al | 0.15-0.60 | 0.15-0.60 | 0.2 max |
| C | 0.1 max | 0.05-0.1 | 0.05 max |
| Mn | 1.5 max | 1.5 max | 1.0 max |
| S | 0.015 max | 0.015 max | 0.015 max |
| Si | 1.0 max | 1.0 max | 0.5 max |
| Mb | - | - | 2.5 - 3.5 |
Mechanical Properties Of ASME SB366 Incoloy Buttweld Pipe Fittings
| Inconel 800/800HT | |
|---|---|
| Tensile Strength | Psi – 75,000 , MPa – 520 |
| Yield Strength (0.2%Offset) | Psi – 30,000 , MPa –205 |
| Elongation | 30 % |
| Inconel 825 | |
| Tensile Strength | Psi – 80,000 , MPa – 550 |
| Yield Strength (0.2%Offset) | Psi – 32,000 , MPa –220 |
| Elongation | 30 % |
Physical Properties of Incoloy 800/800HT/825 Pipe Fittings
| Density lbm/in3 |
Thermal Conductivity (BTU/h ft. °F) |
Electrical Resistivity (in x 10-6) |
Modulus of Elasticity (psi x 106 |
Coefficient of Thermal Expansion (in/in)/ °F x 10-6 |
Specific Heat (BTU/lb/ °F) |
Melting Range (°F) |
|---|---|---|---|---|---|---|
| at 68°F: 0.285 | 9.4 at 212°F | 28.3 at 68°F | 28 | 9.4 at 32 – 212°F | 0.1200 at 68°F to 212°F | 2500 to 2590 |
| 12.4 at 932 °F | 39.4 at 752°F | 10.2 at 32 – 1000°F | ||||
| 49.6 at 1652 °F | 10.4 at 32 – 1500°F |
Our Incoloy 800 Buttweld Fittings Supplier are used in a wide range of applications and various industries. Below are a few of them:
Application Industries
Aerospace Industry
Food Processing Industry
Pulp & Paper Indusry
Energy Industry
Pharmaceuticals Industry
Power Plant Industry
Chemical Industry
Oil and Gas Industry
Get clear answers to common queries about our steel products, services, and delivery processes.
These nickel-iron-chromium alloys provide exceptional oxidation resistance, carburization resistance, creep strength, and metallurgical stability during prolonged exposure to elevated temperatures, making them highly reliable for severe thermal service conditions.
Incoloy 800 is designed for general high-temperature applications, Incoloy 800HT offers enhanced creep rupture strength for prolonged thermal exposure, while Incoloy 825 provides superior resistance to sulfuric acid, phosphoric acid, chlorides, and aggressive chemical environments.
These fittings are extensively utilized in petrochemical complexes, fertilizer plants, heat exchangers, power generation facilities, chemical processing units, furnaces, pollution control systems, and offshore process industries operating under elevated temperatures and corrosive environments.
Manufacturers typically perform Positive Material Identification (PMI), Ultrasonic Testing (UT), Radiographic Testing (RT), Hydrostatic Testing, dimensional inspection, and provide EN 10204 3.1 Material Test Certificates to ensure full compliance with international engineering standards.
Our Location
Flat no 5, Swapna HSG Soc
Ltd., Charkop, Kandivali West,
Mumbai, Maharashtra, India.
400067
