Sumit Impex is a reliable and leading Incoloy 800H / 825 fasteners manufacturer in India, offering premium-quality fastening solutions built for performance, durability, and resistance in the harshest environments. For a variety of industrial applications, we specialize in providing ASTM B564 and ASTM B425 Incoloy fasteners, such as Incoloy 800H bolts, Incoloy 825 hex nuts, studs, washers, and threaded rods.
Our Incoloy 800H fasteners are known for their excellent resistance to high-temperature oxidation and carburization, making them ideal for use in heat exchangers, petrochemical processing, power generation, and furnace components. Similarly, Incoloy 825 fasteners (UNS N08825 / 2.4858) are ideal for the chemical processing, pollution control, and marine engineering sectors due to their exceptional corrosion resistance against conditions that contain acids, alkalis, and chlorides.
Sumit Impex is a Supplier of Incoloy 800H /825 Fasteners, Biggest Stockist of 800H /825 Incoloy Fasteners as per Standards in Mumbai, India.
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All Incoloy fasteners we manufacture come with full traceability and are supplied with Mill Test Certificates (MTC) as per EN 10204 3.1/3.2 standards. Our manufacturing procedure strictly follows ISO 9001:2015 certified quality management systems, and we carry out extensive testing to guarantee product integrity, including PMI, tensile strength, IGC, pitting resistance and radiography tests. To meet the needs of your project, we provide Incoloy fasteners in both metric and imperial sizes, and in a variety of finishes, such as bright polished, black oxide coated, and rough turned. At Sumit Impex, customization is available for critical fasteners, ensuring compatibility and reliability even in the most demanding setups.
With a strong export network, we deliver Incoloy 800H / 825 fasteners to USA, Germany, Saudi Arabia, UAE, Italy, Brazil, and many more countries. We serve domestically to businesses like oil and gas, refineries, desalination plants, and marine fabrication in major Indian cities like Mumbai, Pune, Ahmedabad, Delhi, Chennai, Hyderabad, and Kolkata.
Whether you need Incoloy 825 bolts, ASTM B425 nuts, or custom Incoloy fasteners, Sumit Impex provides unmatched quality, timely delivery, and competitive prices. We work closely with EPC contractors, engineers, and industrial clients to deliver tailored fastener solutions that meet stringent international standards.
Looking for a trusted Incoloy fasteners manufacturer in India? Contact Sumit Impex today for the best deals on Incoloy 800H / 825 fasteners with global export support and full technical documentation.
Standard Specification For Incoloy 800H/825 Fasteners
| Specifications | ASTM F 2281 / ASME SF 2281 |
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of Stainless Steel Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated Stainless Steel Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
Incoloy 800H / 825 Fasteners Types
Stud Bolts
Stud Bolts
Bolts
Bolts
Nuts
Nuts
Washers
Washers
Incoloy 800H / 825 Fasteners Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 | XH32T |
| Incoloy 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
Inconel 800H / 825 Fasteners Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 825 | 0.05 max | 1.00 max | 0.5 max | 0.03 max | 1.50 – 3.00 | 22.00 min | 38.00 – 46.00 | 19.50 – 23.50 | 0.02 max | 0.06 – 1.20 |
Incoloy 800H / 825 Fasteners Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800H | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
| 825 | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
Contact Us For Quatation & Questions Related To Incoloy 800H / 825 Fasteners
800H /825 Incoloy Fasteners Applications
Food Processing Industry
Hydraulic Applications
Offshore Pipelines & Pipe Works
Oil & Gas Industrires
Petrochemical Industry
Piping Systems
Power Plant Industry
Pulp & Paper Industry
Refining Industry
shipbuilding-industries
Chemical Industries
Construction Industries
Export & Supply Destinations Of Incoloy 800H /825 Fasteners
Jordan, Azerbaijan, Indonesia, Lebanon, Kuwait, Russia, Saudi Arabia, Bangladesh, Afghanistan, Vietnam, North Korea, Armenia, Kyrgyzstan, Maldives, China, Hong Kong, Qatar, South Korea, Myanmar, Taiwan, Bhutan, Oman, Thailand, Philippines, Bahrain, British, India, Iran, Iraq, Nepal, Mongolia, Turkey, Malaysia, Macau, Egypt, Israel, Sri Lanka, United Arab Emirates, Japan, Singapore.
Netherlands, Croatia, Ireland, Russia, Italy, Lithuania, Switzerland, Latvia, Belarus, Denmark, Sweden, Spain, Finland, Moldova, Ukraine, Estonia, Azerbaijan, Luxembourg, Portugal, Liechtenstein, France, Serbia, Monaco, Romania, Turkey, Austria, Germany, Belgium, Cyprus, United Kingdom, Norway, Slovakia, Malta, Hungary, Greece, Czechia/Czech Republic, Bulgaria, Poland.
Cameroon, Gambia, Rwanda, Libya, Burkina Faso, Senegal, Mauritius, Liberia, Zimbabwe, Eswatini, Nigeria, Egypt, Niger, Uganda, Namibia, Mauritania, Madagascar, Morocco, Ethiopia, Tanzania, Tunisia, Mozambique, Kenya, Algeria, Central African Republic, Angola, Seychelles, South Africa, Burundi, Botswana, Zambia.
Guatemala, Dominican Republic, Antigua and Barbuda, Haiti, Saint Vincent and the Grenadines, Cuba, United States of America, Panama, Saint Lucia, Trinidad and Tobago, El Salvador, Belize, Mexico, Nicaragua, Bahamas, Dominica, Costa Rica, Barbados, Jamaica, Canada, Grenada, Honduras.
Peru, Ecuador, Venezuela, Argentina, Guyana, Bolivia, Brazil, Paraguay, Colombia, Chile, Suriname, Uruguay.
