Ahapụtara dị ka UNS N08825 ma ọ bụ DIN W.Nr. 2.4858, Incoloy 825 (nke a makwaara dị ka “Alloy 825”) bụ alloy iron-nickel-chromium nwere mgbakwunye molybdenum, cooper na titanium. Ihe mgbakwunye molybdenum na-eme ka nguzogide ya na-emebi corrosion na ngwa corrosion mmiri ebe ọdịnaya ọla kọpa na-enye iguzogide sulfuric acid. A na-agbakwunye Titanium maka nkwụsi ike. Alloy 825 nwere ezigbo nguzogide ma ibelata na oxidizing acids, na mgbawa nrụgide-corrosion, yana mwakpo mpaghara dị ka pitting na crevice corrosion. Ọ na-eguzogide karịsịa sulfuri na phosphoric acid. A na-eji Incoloy 825 alloy eme ihe maka nhazi kemịkalụ, ọkpọkọ petrochemical, akụrụngwa na-achịkwa mmetọ, mmanụ na gas nke ọma, nrụpụta mmanụ nuklia, mmepụta acid, na akụrụngwa pickling.
1. Chemical mejupụtara chọrọ
| Ihe mejupụtara kemịkalụ nke Incoloy 825,% | |
|---|---|
| Nickel | 38.0-46.0 |
| Ígwè | ≥22.0 |
| Chromium | 19.5-23.5 |
| Molybdenum | 2.5-3.5 |
| Ọla kọpa | 1.5-3.0 |
| Titanium | 0.6-1.2 |
| Carbon | ≤0.05 |
| Manganese | ≤1.00 |
| sọlfọ | ≤0.030 |
| Silikoni | ≤0.50 |
| Aluminom | ≤0.20 |
2. Ihe arụrụ arụ nke Incoloy 825
Incoloy 825 weld olu flanges 600# SCH80, emepụtara ka ASTM B564.
| Ike ntakiri, min. | Ike Mpụta, min. | Ogologo oge, min. | Modul na-agbanwe | |||
|---|---|---|---|---|---|---|
| Mpa | ksi | Mpa | ksi | % | Gpa | 106psi |
| 690 | 100 | 310 | 45 | 45 | 206 | 29.8 |
3. Njirimara anụ ahụ nke Incoloy 825
| Njupụta | Oke agbaze | Okpomọkụ akọwapụtara | Eletriki Resistivity | ||
|---|---|---|---|---|---|
| g/cm3 | Celsius C | °F | J/kg.k | Btu/lb. °F | µΩ·m |
| 8.14 | 1370-1400 | 2500-2550 | 440 | 0.105 | 1130 |
4. Ụdị ngwaahịa na ụkpụrụ nke Incoloy 825
| Ụdị ngwaahịa | Ọkọlọtọ |
|---|---|
| Mkpanaka na mmanya | ASTM B425, DIN17752 |
| Efere, mpempe akwụkwọ na ibe | ASTM B906, B424 |
| Ọkụ na ọkpọkọ enweghị nkebi | ASTM B423, B829 |
| Ọkụ welded | ASTM B705, B775 |
| Ọkpụkpọ welded | ASTM B704, B751 |
| Ngwakọta ọkpọkọ welded | ASTM A366 |
| Na-akpụ akpụ | ASTM B564, DIN17754 |
Oge nzipu: Ọktoba 23-2020