Incoloy 800HT · ISO 6208
Incoloy 800HT is presented here as FeNi32Cr21AlTi-HT (NW8811) under ISO 6208. Nickel and wrought nickel-alloy plate, sheet and strip, with composition and condition-specific tensile requirements.
FeNi32Cr21AlTi-HT
Designation: NW8811
Data edition: ISO 6208:1992
Incoloy 800HT NW8811
Incoloy 800HT is presented here as FeNi32Cr21AlTi-HT (NW8811) under ISO 6208. Nickel and wrought nickel-alloy plate, sheet and strip, with composition and condition-specific tensile requirements.
Historical edition: ISO 6208:1992 is withdrawn. Tables 1 and 2 of the supplied ISO 6208:1992 document. Selected annealed, as-rolled and precipitation-treated conditions are shown. Inconel 602CA is not represented by NW6002; NW6002 is a different alloy.
Related grades
14 material references with ISO 6208 data.
Incoloy 800HT properties
Select a table to compare requirements.
| Element | Mass % |
|---|---|
| C | 0.06–0.10 |
| Si | ≤1.0 |
| Mn | ≤1.5 |
| P | — |
| S | ≤0.015 |
| Cr | 19.0–23.0 |
| Ni | 30.0–35.0 |
| Mo | — |
| Fe | Balance |
| Cu | ≤0.7 |
| Other elements | Al: 0.15–0.60; Ti: 0.15–0.60; Al + Ti: 0.85–1.2 |
Composition in mass %. ≤ denotes a maximum; ≥ denotes a minimum; paired values are ranges. — means no numerical limit is provided in the cited data, not zero. When no cobalt limit is specified, up to 1.5% cobalt may be counted as nickel under Table 1 footnote 4.
| Condition | Thickness (mm) | Rp0.2 min (MPa) | Rm (MPa) | A5 / A50 min (%) | Other requirements |
|---|---|---|---|---|---|
| Hot-rolled, solution treated | All | 170 | ≥450 | 30 | ASTM grain size 5; average grain ≥0.06 mm |
| Cold-rolled, solution treated | All | 170 | ≥450 | 30 | ASTM grain size 5; average grain ≥0.06 mm |
Strength is in MPa. Proof stress does not apply below 0.5 mm thickness; elongation does not apply below 0.25 mm. Elongation uses either a proportional gauge length of 5.65√S₀ or a fixed 50 mm gauge length. — indicates no numerical value in the selected row.
Specification source
Technical data above is identified by its source edition: ISO 6208:1992.