ASTM B163 N08810 Nickel Alloy Tube for High-Temperature & Corrosion-Resistant Applications
Brief Introduction
ASTM B163 N08810 nickel alloy tube (also known as Incoloy 800H) is a high-performance austenitic nickel-iron-chromium alloy tube, strictly compliant with ASTM B163 standard. It features optimized high-temperature strength, excellent oxidation, carburization resistance and corrosion resistance, mainly used in condenser, heat exchanger and high-temperature industrial pipeline systems, suitable for long-term service under harsh working conditions up to 1150°C[3].
Chemical Composition Analysis (wt%)
| Alloy Grade | Ni (Nickel) |
Fe (Iron) | Cr (Chromium) | C (Carbon) | Mn (Manganese) | Si (Silicon) | Ti (Titanium) | Al (Aluminum) | S (Sulfur) |
|---|---|---|---|---|---|---|---|---|---|
| N08810 (UNS N08810) | 30.0-35.0 | Bal. | 19.0-23.0 | 0.05-0.10 | ≤1.50 | ≤1.00 | ≥0.85 (with Al) | Al (Aluminum) | ≤0.015 |
Typical Mechanical Properties
| Mechanical Property | Standard Requirement (ASTM B163) | Typical Value |
|---|---|---|
| Yield Strength (Rp0.2), MPa | ≥220 | 220-295 |
| Tensile Strength (Rm), MPa | ≥410 | 410-600 |
| Elongation (A), % | ≥20 | 20-44 |
| Hardness (HB), Brinell | ≤200 | 138-190 |
| Density | ---- | 8.0 g/cm³ |
Available Tests
| Test Type | Standard |
|---|---|
| Chemical Composition Test (PMI) | Spectrometer, ASTM B163 |
| Tensile & Elongation Test | ASTM E8/E8M, ASTM B163 |
| Hardness Test | ASTM E10 |
| Hydrostatic/Flattening/Flaring Test | ASTM B163 |
| Non-Destructive Testing (NDT) | Eddy Current Test (ECT), ASTM B163 |
| Metallographic Examination | ASTM B163 |
Product Application Scope
| Industry Field | Typical Applications |
|---|---|
| Petrochemical | Ethylene cracking furnace radiant tubes, steam reformer tubes, conversion furnace tubes |
| Power Generation | Nuclear power plant steam generator tubes, supercritical thermal power system components |
| Heat Exchange | Condenser tubes, heat exchanger tubes, high-temperature heat exchanger components |
| Heat Treatment | Carburizing furnace, annealing furnace heat-resistant components, muffle tank, guide rails |
| Other | Hazardous waste incinerator heat recovery systems, high-temperature industrial pipelines |
