Introduction
INCOLOY ALLOY 802 is a high-carbon iron-base alloy recommended for high-temperature applications requiring excellent corrosion resistance and good mechanical properties. It is furnished in the annealed condition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining.
Composition
Composition ranges for Incoloy 802 grade of stainless steels.
| Grade |
|
Nickel |
Chromium |
Iron |
Carbon |
Aluminum |
Titanium |
Copper |
| Incoloy 802 |
Min |
- |
- |
- |
0.35 |
- |
- |
- |
| Max |
32 |
21 |
Balance |
- |
0.60 |
0.70 |
- |
| Grade |
UNS |
DIN |
EN |
AMS |
ASTM |
JIS |
| Incoloy 802 |
N08802 |
|
|
|
|
|
Mechanical Properties
| Properties |
Conditions |
| T (°C) |
Treatment |
| Density (×1000 kg/m3) |
7.8 |
25 |
|
| Poisson's Ratio |
0.27-0.30 |
25 |
|
| Elastic Modulus (GPa) |
190-210 |
25 |
|
| Tensile Strength (Mpa) |
515 |
25 |
annealed (sheet, strip) more |
| Yield Strength (Mpa) |
275 |
| Elongation (%) |
40 |
| Reduction in Area (%) |
|
Thermal Properties
| Properties |
Conditions |
| T (°C) |
Treatment |
| Thermal Expansion (10-6/ºC) |
17.5 |
0-100 more |
|
| Thermal Conductivity (W/m-K) |
16.2 |
100 more |
|
| Specific Heat (J/kg-K) |
500 |
0-100 |
|
Electric Properties
| Properties |
Conditions |
| T (°C) |
Treatment |
| Electric Resistivity (10-9W-m) |
690 |
25 |
Characteristic
1;High temperature alloy with high temperature strength.
2;Good resistance to oxidation and corrosion resistance performance.
3;Good fatigue performance, the fracture toughness, plastic.
Organizational characteristics:
High temperature alloy for a single (austenitic) matrix organization, in all kinds of temperature has good stability and reliability of the organization to use.
High temperature alloy quality requirements:
External quality: external contour shape, size accuracy, the surface defect cleaning method.
Internal quality: chemical composition, structure, mechanical and physical and chemical properties.
Mechanical properties: room temperature and high temperature tensile properties and impact toughness, high temperature lasting several creep properties, hardness and high weeks and weeks, creep, fatigue performance under the mutual action of fatigue and the mechanical properties, thermal and corrosion resistance to oxidation.
Applications
- Food Processing Industry
- Fabrication Industry
- Oil and Gas Industry
- Chemical Industry
- Plumbing
- General Purpose Applications
- Heating
The new frontier of oil and gas exploration will occur in deep wells, especially deep water wells, which often require equipment built with high-performance Incoloy 802 compared to shallow wells. Incoloy 802 is commonly used in chemical and petrochemical processing plants. Incoloy 802 is manufactured for high performance even in the most extreme conditions, such as those in the marine industry. Incoloy 802 is manufactured to withstand the highly corrosive conditions present in offshore processing plants that rely on seawater as a coolant.
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