 |
| उत्पत्ति के प्लेस: | चीन |
| ब्रांड नाम: | YUHONG |
| प्रमाणन: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| मॉडल संख्या: | एएसटीएम बी423 इंकोलॉय 825 निकल मिश्र धातु सीमलेस पाइप |
| न्यूनतम आदेश मात्रा: | 500 किग्रा |
|---|---|
| पैकेजिंग विवरण: | प्लाई-लकड़ी का केस/आयरन केस/प्लास्टिक कैप के साथ बंडल |
| प्रसव के समय: | 7 दिन |
| भुगतान शर्तें: | एल/सी,टी/टी |
| प्रोडक्ट का नाम: | निकल मिश्र धातु पाइप | मानक: | एएसटीएम बी423/एएसएमई एसबी423 |
|---|---|---|---|
| सामग्री: | INCOLOY 825 / UNS N08825 / DIN 2.4858 | आयुध डिपो: | 1/2 "से 24" या बड़ा |
| डब्ल्यूटी: | SCH 5S से SCH XXS | लंबाई: | सिंगल रैंडम, डबल रैंडम और कट लेंथ |
| आकार: | स्ट्रेट ट्यूब, यू बेंड ट्यूब | एनडीटी: | एडी करंट टेस्ट, हाइड्रोस्टैटिक टेस्ट |
| प्रकार: | निर्बाध | आवेदन: | बॉयलर, हीट एक्सचेंजर, रासायनिक प्रक्रिया उपकरण, आदि। |
| प्रमुखता देना: | ASTM B423 Inconel825 seamless pipe,Nickel alloy pipe DIN 2.4858,UNS N08825 corrosion resistant pipe |
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ASTM B423 UNS N08825 / Incoloy 825 Nickel Alloy Seamless Pipe
Chemical Composition of ASTM B423 Incoloy 825 Nickel Alloy Seamless Pipe
| Element | % | Element | % |
| Nickel | 38.0 – 46.0 | Carbon | 0.05 max |
| Chromium | 19.5 – 23.5 | Manganese | 1.0 max |
| Molybdenum | 2.5 – 3.5 | Sulfur | 0.03 max |
| Copper | 1.5 – 3.0 | Silicon | 0.5 max |
| Titanium | 0.6 – 1.2 | Aluminium | 0.2 max |
| Iron | 22.0 min (~33%) |
ASTM specifications for Incoloy Alloy 825.
| Specification | Title |
| B163 | Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes |
| B423 | Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and N08221)* Seamless Pipe and Tube |
| B424 | Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221)* Plate, Sheet, and Strip |
| B425 | Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825) |
| B704 | Welded UNS N06625 and UNS N08825 Alloy Tubes |
| B705 | Nickel-Alloy (UNS N06625 and N08825) Welded Pipe |
| B751 | General Requirements for Nickel and Nickel Alloy Welded Tube |
Mechanical Property of Incoloy 825 Nickel Alloy
| Form | Condition | 0.2% Proof Stress MPa |
Tensile Strength MPa |
Elong % |
| Tube | Annealed | 440 | 770 | 35 |
| Tube | Cold drawn | 880 | 1000 | 15 |
| Bar | Annealed | 325 | 690 | 45 |
| Plate | Annealed | 340 | 660 | 45 |
| Sheet | Annealed | 420 | 760 | 39 |
Key Properties & Corrosion Resistance
Incoloy 825 is designed to provide exceptional resistance to:
Reducing acids (Sulfuric and Phosphoric acid).
Oxidizing acids (Nitric acid, Chromic acid).
Chloride Stress Corrosion Cracking (SCC) – Superior to 300 series stainless steels.
Pitting and Crevice corrosion (due to Mo, Cu, and Ti content).
Sour gas environments (NACE MR0175 / ISO 15156 compliant for H₂S).
Application
Because of its high strength and corrosion resistance, the seamless pipe is used in:
Oil & Gas: Downhole tubing, sour gas service, surface flow lines.
Chemical Processing: Sulfuric acid plants, phosphoric acid evaporators, pickling tanks.
Pollution Control: Scrubber components in coal-fired power plants.
Marine: Offshore platforms (seawater handling).
Nuclear Fuel Reprocessing.
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