UNS N08811 Alloy 800HT Seamless Tube | ASTM B407 Nickel Alloy Tube
Product Introduction
ASTM B407 UNS N08811 Nickel Alloy Seamless Tube Overview
ASTM B407 UNS N08811 nickel alloy seamless tube is a high temperature resistant alloy tube manufactured according to ASTM B407 specification.
UNS N08811, commonly known as Alloy 800HT, is an iron-nickel-chromium alloy designed for applications requiring resistance to high temperature oxidation, carburization and thermal cycling.
The seamless tube structure provides uniform dimensions and is commonly used in heat exchangers, furnace components, petrochemical processing equipment and high temperature industrial systems.
The product can be supplied with customized outside diameter, wall thickness and length according to engineering requirements.
Technical Specifications
ASTM B407 UNS N08811 Tube Specifications
| Item | Specification |
|---|---|
| Product Name | Nickel Alloy Seamless Tube |
| Material Grade | UNS N08811 |
| Common Name | Alloy 800HT |
| Standard | ASTM B407 |
| Material Type | Nickel-Iron-Chromium Alloy |
| Manufacturing Type | Seamless Tube |
| Outer Diameter | Customized |
| Wall Thickness | Customized |
| Length | Random Length / Fixed Length |
| Surface Finish | Bright Annealed / Pickled |
| Heat Treatment | Solution Annealing |
| Inspection | Dimensional Inspection, Mechanical Testing, NDT |
| Certification | Material Test Certificate (MTC) |
Chemical Composition
Chemical Composition of UNS N08811 Alloy
| Element | Typical Requirement |
|---|---|
| Nickel (Ni) | 30.0–35.0% |
| Chromium (Cr) | 19.0–23.0% |
| Iron (Fe) | Balance |
| Carbon (C) | 0.06–0.10% |
| Aluminum (Al) | 0.85–1.20% |
| Titanium (Ti) | 0.30–0.60% |
Mechanical Properties
Mechanical Properties of UNS N08811 Tube
| Property | Requirement |
|---|---|
| Tensile Strength | ≥450 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥30% |
Applications
Product Advantages
Advantages of ASTM B407 UNS N08811 Seamless Tube
Suitable for High Temperature Applications
Seamless Tube Structure
Material Traceability
