Incoloy 800H / 800HT Supplier in Vadodara
Controlled-carbon versions of Incoloy 800 with much higher creep and rupture strength above 600 °C. Sheet, plate, bar, pipe and flanges — delivered all over India.
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What is Incoloy 800H / 800HT?
Incoloy 800H / 800HT (Alloy 800H / 800HT, UNS N08810 / N08811, W.Nr. 1.4958 / 1.4959) is a nickel-iron-chromium alloy containing 30.0–35.0% nickel, 19.0–23.0% chromium and at least 39.5% iron. Controlled-carbon versions of Incoloy 800 with much higher creep and rupture strength above 600 °C. It has a density of 7.94 g/cm³ and a minimum tensile strength of 450 MPa, and is used mainly for steam reformer and ethylene furnace tubes, superheater and reheater tubing and pigtails and headers.
- Also known as Alloy 800H / 800HT
- Designations UNS N08810 / N08811 · W.Nr. 1.4958 / 1.4959 · DIN X5NiCrAlTi31-20
- Type Nickel-iron-chromium alloy
- Density 7.94 g/cm³
- Strength (min) 450 MPa tensile · 170 MPa yield
- Main uses Steam reformer and ethylene furnace tubes, superheater and reheater tubing, pigtails and headers
We supply Incoloy 800H / 800HT as sheet, plate, coil / strip, round bar, pipe, tube, flanges, wire, with mill test certificates, from our stock point at GIDC Makarpura, Vadodara.
What is the chemical composition of Incoloy 800H / 800HT?
| Ni | Cr | Fe | C | Al+Ti | Mn | Si |
|---|---|---|---|---|---|---|
| 30.0 – 35.0 | 19.0 – 23.0 | 39.5 min | 0.05 – 0.10 (800HT: 0.06 – 0.10) | 0.30 – 1.20 (800HT: 0.85 – 1.20) | 1.5 max | 1.0 max |
What are the mechanical properties of Incoloy 800H / 800HT?
| Tensile strength (min) | 450 MPa |
|---|---|
| Yield strength 0.2% (min) | 170 MPa |
| Elongation (min) | 30% |
| Condition | Solution annealed (ASTM B409) |
| Density | 7.94 g/cm³ |
What is the equivalent of Incoloy 800H / 800HT?
| Trade name | Generic | UNS | Werkstoff Nr. | DIN |
|---|---|---|---|---|
| Incoloy 800H / 800HT | Alloy 800H / 800HT | N08810 / N08811 | 1.4958 / 1.4959 | X5NiCrAlTi31-20 |
Specifications by product form
| Incoloy 800H / 800HT sheet / plate | ASTM B409 |
|---|---|
| Incoloy 800H / 800HT bar | ASTM B408 |
| Incoloy 800H / 800HT pipe / tube | ASTM B407 |
| Incoloy 800H / 800HT forgings / flanges | ASTM B564 |
Where is Incoloy 800H / 800HT used?
- Steam reformer and ethylene furnace tubes
- Superheater and reheater tubing
- Pigtails and headers
- Industrial furnace parts
Our advice
Most mills supply dual-certified 800H/800HT material. Specify it when the design temperature is above about 600 °C.
Typical specification values for guidance only — always refer to the mill test certificate. Trade names are trademarks of their owners.
Incoloy 800H / 800HT — FAQs
Where can I buy Incoloy 800H / 800HT in Vadodara?
Sagar Sales Corporation (Steel Mall®), GIDC Makarpura, Vadodara, supplies Incoloy 800H / 800HT sheet, plate, round bar, pipe and flanges with mill test certificates, and delivers all over India. Call +91 70162 29319 or send your size on WhatsApp for today's price.
What is the chemical composition of Incoloy 800H / 800HT?
Incoloy 800H / 800HT (UNS N08810 / N08811) typically contains 30.0–35.0% nickel, 19.0–23.0% chromium, at least 39.5% iron, 0.05–0.10 (800HT: 0.06–0.10)% carbon, 0.30–1.20 (800HT: 0.85–1.20)% aluminium plus titanium, up to 1.5% manganese and up to 1.0% silicon.
What is the equivalent of Incoloy 800H / 800HT?
Incoloy 800H / 800HT is also known as Alloy 800H / 800HT. Its designations are UNS N08810 / N08811, Werkstoff Nr. 1.4958 / 1.4959 and DIN X5NiCrAlTi31-20.
What is the density of Incoloy 800H / 800HT?
The density of Incoloy 800H / 800HT is about 7.94 g/cm³ (7940 kg/m³). A 1 × 2 m sheet, 1 mm thick, weighs about 15.9 kg.
What is the price of Incoloy 800H / 800HT per kg?
Incoloy 800H / 800HT is priced per kg and depends on the form (sheet, bar or pipe), size, quantity and the nickel market on the day. Send us your size and quantity for a same-day quote.
Get today's Incoloy 800H / 800HT rate
Tell us the grade, size, finish and quantity. We check stock and send a per-kg rate with dispatch date — usually the same working day.
- Rates direct from Vadodara stock
- Mill test certificate with every lot
- Cut-to-size and delivery all over India