Incoloy 800 / 800H / 800HT Cold-rolled PlateASTM B409 · ASTM A480 · Manufacturer, trader & exporter, India
Alloy 800 · UNS N08800 / N08810 / N08811
An Incoloy 800 / 800H / 800HT cold-rolled plate is thinner plate finished by cold rolling, made from Incoloy 800 / 800H / 800HT to ASTM B409. Cold-rolled plate has tighter thickness tolerance and a smoother surface than hot-rolled.
- ASTM B409
- ASTM A480
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an Incoloy 800 / 800H / 800HT Cold-rolled Plate?
- What it is
- Thinner plate finished by cold rolling
- Material
- ASTM B409
- Dimensions
- ASTM A480
- Grade
- Incoloy 800 / 800H / 800HT · UNS N08800
- Best at
- Furnaces, petrochemical heaters and high-temperature piping
Incoloy 800 / 800H / 800HT Cold-rolled Plate Specification
| Product | Incoloy 800 / 800H / 800HT Cold-rolled Plate |
|---|---|
| Material standard | ASTM B409 |
| Dimensional standard | ASTM A480 |
| Thickness | 4.76 mm (3/16") and up |
| Size | Mill plates or cut to drawing |
| Testing | PMI (as specified in the PO) · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 or 3.2 on request / as specified in the PO |
When to Choose a Cold-rolled Plate
Cold-rolled plate has tighter thickness tolerance and a smoother surface than hot-rolled.
- Tighter tolerances
- Smoother surface
- Thinner gauges
More on choosing: Cold-rolled plate guide.
Incoloy 800 / 800H / 800HT Cold-rolled Plate: Why 800 for cold-rolled plates
Cold-rolled plate has tighter thickness tolerance and a smoother surface than hot-rolled. In Incoloy 800 / 800H / 800HT, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.
| Why this grade | Nickel-alloy plate goes into vessels and tube sheets in aggressive media. Incoloy 800 / 800H / 800HT is picked for furnaces, petrochemical heaters and high-temperature piping. |
|---|---|
| Typical service | Petrochemical — Steam-methane reformer and ethylene furnace piping. |
| Matching filler | ERNiCr-3 (AWS A5.14) |
Incoloy 800 / 800H / 800HT Cold-rolled Plate Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Nickel | As specified |
| Chromium | As specified |
| Iron | As specified |
| Carbon | As specified |
| Aluminium | As specified |
| Titanium | As specified |
| Copper | As specified |
| Manganese | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM B409 for UNS N08800 / N08810.
Incoloy 800 / 800H / 800HT Cold-rolled Plate Mechanical Properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Tensile strength | As specified |
| Yield strength 0.2% | As specified |
| Elongation | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification and condition to be verified: ASTM B409 for UNS N08800 / N08810 — Annealed plate.
Full chemistry, properties and equivalents are on the Incoloy 800 / 800H / 800HT grade page.
Other Incoloy 800 / 800H / 800HT plates
Incoloy 800 / 800H / 800HT Cold-rolled Plate — questions buyers ask
When is cold-rolled plate chosen?
Where surface finish and thickness tolerance matter more than cost.
Which standard covers Incoloy 800 / 800H / 800HT cold-rolled plates?
The material is ASTM B409; dimensions follow ASTM A480. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Incoloy 800 / 800H / 800HT cold-rolled plate?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
What documents do you supply?
EN 10204 3.1 or 3.2 certificates available on request / as specified in the PO; dimensional reports as required. PMI can be arranged depending on product and requirements, as specified in the PO.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026