Incoloy Alloy 825
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Incoloy alloy 825 - Stops Stress-Corrosion Cracking
Incoloy alloy 825 is a nickel-iron-chromium alloy with copper, titanium and molybdenum added. There is ample nickel content for resistance to chloride-ion stress-corrosion cracking. The nickel, combined with molybdenum and copper, also results in great resistance to reducing environments such as the ones consisting of phosphoric and sulfuric acids. It is used in applications like acid production and nuclear fuel reprocessing. Incoloy alloy 825 suppliers and Incoloy alloy 825 manufacturers like Supreme Engineering Limited play a key role in the production of alloys.
The molybdenum also aids resistance to crevice corrosion and pitting. This alloy’s chromium content gives out resistance to different oxidizing substances like nitric acid, oxidizing salt and nitrates. With the addition of titanium and an apt heat treatment, the alloy gets stabilised against sensitization to inter-granular corrosion. It is also used in applications like pollution control, pickling operations and oil and gas recovery.
Features of Incoloy alloy 825:
- Resistant to reducing and oxidizing acids like phosphoric and sulfuric.
- Prevents stress-corrosion cracking.
- Very resistant to different oxidizing substances.
- Prevents attacks like crevice corrosion and pitting.
Specifications:
The various forms of Incoloy alloy 825 are covered by the following standards:
- ASTM B564.
- 2.4858.
SUPER-AUSTENITIC STAINLESS STEELS - ALLOY 825
| Applicable Standards | ASTM B425, B564 |
|---|---|
| Carbon % | 0.05 Max |
| Silicon % | 0.05 Max |
| Manganese % | 1.00 Max |
| Sulphur % | 0.030 Max |
| Chromium % | 19.5-23.5 |
| Molybdenum % | 2.5-3.5 |
| Copper % | 1.5-3.0 |
| Nickel % | 38.0-46.0 |
| Tungsten % | – |
| Hardness (BHN) | 180 BHN |
| Density | 8.14 |
| U.T.S.(N/MM2) | 690 Mpa |
| Yeild Strength(Mpa) | 310 Mpa |
| Elongation | 45% |
| Reduction Area | |
| Impact (Room Temperature) | |
| Impact (0◦ C) | |
| Impact (- __◦ C) |