What is Incoloy 800H/825 Fasteners ?
Sumit Impex is one of the prominent suppliers and manufacturers of Incoloy 800HT Fasteners. These Inconel 800HT attachments are nickel-iron-chrome alloys that have a basic design similar to Incoloy 800 attachments, and they use a suggestively higher rupture ability. Inconel 800HT Fasteners are small mechanical devices that act as support systems in industrial machinery and can be made of lot of metals and alloys like steel, copper and alloys like Monel or Inconel and their varying grades. Meanwhile, Inconel 800 / 800H / 800HT are identical except for having an addition of aluminum and titanium. Inconel 800HT fastener is used in hardware, petrochemical, petrochemical, petrochemical, oil and gas manufacturing, nuclear, pulp and paper, mega project & defense & production. Uses of Inconel 800HT Fasteners have protracted from petrochemical processing reformer tubing, to flare tips and bellows in processing plant service. Heat treatment retorts, muffles jigs and fixtures have also used this material to great effect.

INCOLOY DIN 1.4959 SCREWS, INCOLOY 800HT HEAVY HEX NUTS, INCOLOY 800HT THREADED ROD, INCOLOY 800HT ROUND HEAD BOLTS MANUFACTURER & STOCKIST
ASTM B408 INCOLOY FASTENERS, INCOLOY 800HT HEX CAP SCREW, INCOLOY UNS N08811 HIGH TENSILE FASTENERS, INCOLOY 800HT NUTS, INCOLOY 800HT FLAT WASHER SUPPLIER & EXPORTER
The working range is 1600 to 2150 ° F for Inconel 825. Inconel Din 2.4858 fixtures are extremely resistant both to reducing and oxidizing acids, to cracking stress-corrosion and localized attacks like pitting, crevice, and to a range of conditions.
The alloy has outstanding resistance in many aqueous conditions including those including sulphides and Chlorides to oxidation, snoring, cracks and stress corrosion. Alloy 825 provides excellent sulphuric and phosphorous acid corrosion resistance, and is often the most economical sulfuric acid alloy in use.
Incoloy 800H/825 Fasteners Specifications
Grade | Incoloy 800H/825 Fasteners |
Specification | ASTM A 193 ASME SA 193 |
Standard | DIN, ASTM, BS and all International Standards |
Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Length | 3 mm to 200 mm |
Form | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
Application | Most commonly used in petroleum refineries, Boilers, Heat exchangers, Condensers, Pipelines, Cooling towers, Steam exhausts, Electric generation plants, On occasion will be found in fertilizer and chemical plants. |
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 | N08825 | NA 16 | NiCr21Mo | 2.4858 | NFE30C20DUM | ЭП703 | NCF 825 |
825min.–––22.0–19.51.50.6
Grade | C | Mn | Si | Fe | S | Cr | Al-Ti | Ni | |
800H | min. | 0.05 | – | – | 39.5 | – | 19.0 | 0.15 | 30.0 |
max. | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 0.60 | 35.0 | |
max. | 0.05 | 1.0 | 0.5 | – | 0.015 | 23.5 | 3.0 | 1.2 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
800-H-HT | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa –205 | 30 | – | – |
Rockwell B (HR B) max | Brinell (HB) max | ||||
825 | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa –220 | 30 | – | – |
Other Products
Incoloy 800/800H/800HT T Nut | Alloy 800 T Nut |
Incoloy 825 Lock Nut | Alloy 825 Lock Nut |
Incoloy 825 Eye Nut | Alloy 825 Eye Nut |
Incoloy 800/800H/800HT Panel Nut | Alloy 800/800H/800HT Panel Nut |
Incoloy 800/800H/800HT T Nut | Alloy 800 T Nut |
Incoloy 825 wing Nut | Alloy 825 wing Nut |
Incoloy 800H/825 Fasteners Price List
- 800/800H/800HT Incoloy Bolt/Nut
US $2500-800/800H/800HT0 / Ton (FOB Price) - Bolt/Nut astm A193 800/800H/800HT
US $800/800H/800HT-1200 / Ton (FOB Price) - Incoloy Bolt/Nut 800/800H/800HT
US $500-2000 / Ton (FOB Price) - ASTM A193 800/800H/800HT Incoloy Bolt/Nut
US $850-2200 / Metric Ton (FOB Price) - sA193 800/800H/800HT Bolt/Nut
US $1.5-9 / Kilogram (FOB Price) - 800/800H/800HT Bolt/Nut manufacturer
US $850-2200 / Metric Ton (FOB Price) - ASTM A193 Gr. 800/800H/800HT Bolt/Nut
US $500-1000 / Ton (FOB Price)

Packaging
We Sumit Impex Metal Ensure the best quality of Packing , because its play important role especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.
We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
- Boxes and Crates
- Shrink-wrapped
- Carton boxes
- Wooden pallets
- Wooden boxes
- Wooden crates

Testings (Destructive, Non Destructive)
- Mechanical Testing Such as Tensile, Elongation, Reduction of Area
- Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
- Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
- Positive Material Identification – PMI Testing
- Chemical Analysis – Spectro Analysis
- Intergranular Corrosion (IGC) Test
- Pitting Resistance Test
- Dye Penetrant Test (DP Test)
- Micro Test
- Macro Test
- Hardness Test
- Flaring Test
- Flattening Test
- Hydrostatic Test
- Radiography Test
- Ultra Sonic Test (UT)
- Eddy Current Testing
- Impact Test
- Bend Test

Application Industries
These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
- Construction
- Bridges
- Petrochemical Industry
- Ship Building
- Engineering
- General Structural Purposes
- Offshore and Onshore Services

Stainless Steel Sheet Manufacturers












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