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Help CenterHeat Resistant Alloy 800 Plate Sheet Bars Uns N08800 Nickel-Chromium-Iron Alloys in Stock
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Basic Info.
Model NO.
N08800 stainless steel is a superaustenitic (highly alloyed) stainless steel formulated for primary forming into wrought products. N08800 is the UNS number for this material. Alloy 800 is the common industry name. Additionally, the British Standard (BS) designation is NA15. And the AFNOR (French) designation is 25NC35-20.
This material is well established: the Further Reading section below cites a number of published standards, and that list is not necessarily exhaustive.
It can have the highest tensile strength among wrought superaustenitic stainless steels. In addition, it can have the lowest ductility and has a moderately low base cost.
The properties of N08800 stainless steel include four common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare N08800 stainless steel to: wrought superaustenitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Chemical CompositionThe chemical composition of INCOLOY alloy 800 is given in the following table.
| Element | Content (%) |
|---|---|
| Iron, Fe | ≥39.5 |
| Nickel, Ni | 30-35 |
| Chromium, Cr | 19-23 |
| Manganese, Mn | ≤1.5 |
| Others | Remainder |
The following table discusses the physical properties of INCOLOY alloy 800.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.94 gm/cm3 | 0.287 lb/in3 |
The mechanical properties of INCOLOY alloy 800 are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength(annealed) | 600 MPa | 87 ksi |
| Yield strength(annealed) | 275 MPa | 39.9 ksi |
| Elongation at Break | 45% | 45% |
Some of the designations used to denote INCOLOY alloy 800 are listed below:
| UNS N08800 | AMS 5766 | AMS 5871 | ASTM B163 | ASTM B366 |
| ASTM B407 | ASTM B408 | ASTM B409 | ASTM B514 | ASTM B515 |
| ASTM B564 | DIN 1.4876 |
INCOLOY alloy 800 can be welded by common welding techniques, using a matching filler metal.
FormingThis alloy exhibits good ductility and hence can be formed using conventional methods.
Hot workingINCOLOY alloy 800 can be hot worked at temperature ranges of 871-1232°C (1600-2250°F).
Cold WorkingCold working may be done on the alloy using standard tooling.
AnnealingINCOLOY alloy 800 may be annealed after cold working. Annealing should be done at 982°C (1800°F) for 15 min and then the alloy should be air cooled.
ApplicationsINCOLOY alloy 800 is used in the following applications:
Heat exchangers
Carburising equipment
Heating elements
Sheathing and nuclear steam generator tubing.
Introduction
ZHEJIANG ZHONGZHENG STAINLESS STEE MANUFACTURING CO. LTD. is a professional supplier of stainless steel materials, located in Zhejiang, China with high speed of economic development. We are near shanghai port; the traffic is very convenient.The main stainless steel materials are stainless steel plate, pressure vessel stainless steel plate, high temperature boiler plate, corrosion resistant stainless steel plate, stainless steel seamless pipe, stainless steel industrial pipe, stainless steel welded pipe, stainless steel bar, stainless steel pipe and so on.With the aim of "quality first, timely delivery, good faith cooperation, considerate service and common development", the company has set up a good reputation in the industry for providing high quality stainless steel materials and perfect after-sales service.
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