We are Riddhi Siddhi Impex, a Mumbai-based supplier and stockist of Incoloy 800 Coils, established in 2002. We hold a ready stock of nickel-iron-chromium alloy coils to ASTM B409 / ASME SB-409 from 0.03 mm to 5 mm. Our ISO 9001, 14001, and 45001-certified company carries a monthly supply capacity of 400 to 500 tons and ships with EN 10204 Type 3.1 / 3.2 mill test certificates on request.
Incoloy 800 coils are flat-rolled nickel-iron-chromium alloy built for high-temperature service. The 30 to 35% nickel and 19 to 23% chromium hold an austenitic structure that resists oxidation, carburisation, and sulphidisation in furnace and process heat. Aluminium and titanium additions stabilise the alloy. Because iron forms the balance, UNS N08800 coils cost less than nickel-base grades while still handling long spells at elevated heat. It is found in industrial furnaces, heat exchangers, and more.
We hold ready Incoloy coil stock, sourced from reputed primary mills and supplied to your required width and finish. Material ships annealed, in 2B, skin pass, and BA, with mill or slit edges and test documentation on request.
We provide ASTM B409 Alloy 800 coils in the annealed condition, across three finishes and three edge options, slit to width from ready stock in hot rolled and cold rolled forms.
| Parameter | Details |
|---|---|
| Standard | ASTM B409 / ASME SB-409 |
| Thickness | 0.03 mm to 5 mm |
| Width (post-slitting) | 3 mm to 2000 mm |
| Width Tolerance | ±0.1 mm |
| Coil ID | 150 mm to 610 mm |
| Coil OD | Up to 1800 mm |
| Condition | Annealed (standard mill) |
| Surface Finish | 2B, BA (Bright Annealed), Skin Pass |
| Supply Form | Hot Rolled (HR), Cold Rolled (CR) |
| Edge | Mill edge, Slit edge, Deburred edge |
Nickel and chromium define this grade. Nickel at 30 to 35% keeps the structure austenitic and resists chloride stress corrosion cracking, while chromium at 19 to 23% builds the oxide film that fends off scaling and oxidation. Aluminium and titanium tie up carbon and stabilise the alloy, as the ASTM B409 composition below shows.
| Element | Composition (% by weight) |
|---|---|
| Nickel (Ni) | 30.0 to 35.0 |
| Chromium (Cr) | 19.0 to 23.0 |
| Iron (Fe) | 39.5 min (balance) |
| Carbon (C) | 0.10 max |
| Manganese (Mn) | 1.50 max |
| Silicon (Si) | 1.00 max |
| Copper (Cu) | 0.75 max |
| Aluminium (Al) | 0.15 to 0.60 |
| Titanium (Ti) | 0.15 to 0.60 |
| Sulphur (S) | 0.015 max |
Annealed Nickel Alloy 800 coils reach a minimum tensile strength of 520 MPa with 30% elongation, so they form, roll, and deep-draw without cracking. Coils ship in the standard mill condition.
| Property | Value (Annealed) |
|---|---|
|
Tensile Strength, minimum
|
520 MPa (75 ksi) |
|
Yield Strength (0.2% offset), minimum
|
205 MPa (30 ksi) |
|
Elongation in 50 mm, minimum
|
30% |
International buyers can cross-reference UNS N08800 coils against their regional standard below. Our N08800 coils cross-reference to the regional designations below .
| Country / Standard | Designation |
|---|---|
| USA (UNS) | N08800 |
| Europe (EN) | X10NiCrAlTi32-20 |
| Germany (W.Nr) | 1.4876 |
| Japan (JIS) | NCF 800 |
| Russia (GOST) | ХН32Т (ЭП670) |
These 4 industries use the Alloy 800 coils we supply. Buyers select the grade for oxidation and carburization resistance, high-temperature strength, and stability through long thermal exposure.
Petrochemical plants form Incoloy 800 coils into pyrolysis tubes, heat exchangers, and process piping that carry hot hydrocarbon streams. The chromium film resists oxidation while the nickel base holds off carburisation, so cracking-furnace internals keep their section where plain stainless would scale.
Power stations use Nickel Alloy 800 coils in superheater casings, steam headers, and heat-recovery components that run at sustained heat. The austenitic structure carries creep load, and the alloy shrugs off oxidising flue gas, so parts hold shape through years of thermal cycling.
Furnace builders press Incoloy 800 coils into radiant tubes, muffles, retorts, and fixtures that face direct heat. The grade resists oxidation and carburization to around 816 °C in continuous service, so heat-treatment hardware survives repeated cycles where lesser alloys warp early.
Fabricators roll Alloy 800 coils into tubesheets, shells, and exchanger plates for high-temperature duty. The balanced chemistry resists both oxidising and mildly reducing atmospheres, and the titanium stabilisation keeps welded joints sound in hot service.
Export orders leave Mumbai and Taloja, packed in wooden cases or on pallets.
| Parameter | Details |
|---|---|
| Packaging | Wooden cases, pallet packing |
| Incoterms | FOB, CIF, CFR, EXW Mumbai |
| Dispatch Points | Mumbai and Taloja warehouses |
| Standard Lead Time | 4 to 5 days |
| Urgent Dispatch | 2 to 3 days |
| Payment Terms | Advance, credit, LC |
| Certification | EN 10204 Type 3.1 / 3.2 on request |
Incoloy 800 Coils price in India is around ₹1,900 to ₹ 2,000 per kg, roughly $14 to $18 per kg for export buyers. The rate tracks nickel and chromium benchmarks, and thickness, width, finish, and volume all move the figure. Volume discounts apply, so call or WhatsApp us for today's rate.
We supply Incoloy 800 coils conforming to ASTM B409 / ASME SB-409 for nickel-iron-chromium alloy plate, sheet, and strip. Coils ship annealed, and EN 10204 Type 3.1 / 3.2 mill test certificates are available on request.
We supply Incoloy 800 coils in thicknesses from 0.03 mm to 5 mm and widths from 3 mm to 2000 mm (after slitting), with coil ID 150 mm to 610 mm and coil OD up to 1800 mm. Custom widths are slit at ±0.1 mm.
Incoloy 800 coils are used in petrochemical processing, power generation, industrial furnaces & heat treatment, and heat exchanger fabrication, wherever resistance to oxidation, carburization, and high-temperature service is required.
You can source Incoloy 800 Coils in India from us at Riddhi Siddhi Impex. Our Mumbai warehouse holds Alloy 800 coil inventory on the shelf for immediate dispatch. As a supplier, stockist, and exporter, we serve buyers across India and overseas. Phone or WhatsApp us, and we will provide quotations within 24 hours.
