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| Categories | Nickel Alloy Tube |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | ASTM B163 Incoloy 825 (NO8825) DIN 2.4858 |
| Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin: | CHINA |
| MOQ: | 500KGS |
| Payment Terms: | L/C,T/T |
| Delivery Time: | 7 DAYS |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name: | Nickel Alloy Tube |
| Standard: | ASTM B163 / ASME SB163 |
| Material: | Incoloy 825 / UNS N08825 / DIN 2.4858 |
| O.D.: | 1/4", 3/8", 1/2", 5/8", 1", 1 1/4", etc |
| W.T.: | BWG 10, 12, 14, 16, 18, 20, etc |
| Length: | Single Random, Double Random & Cut Length |
| Shape: | Straight tube, U bend tube |
| NDT: | EDDY CURRENT TEST, HYDROSTATIC TEST |
| Type: | Seamless |
| Application: | Boiler, Heat Exchanger, Chemical process equipment, etc. |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
ASTM B163 UNS N08825 / DIN 2.4858 / Incoloy 825 Seamless Nickel
Alloy Heat Exchanger Tube
ASTM B163 Incoloy 825 seamless tube represents a high-performance,
corrosion-resistant product designed and manufactured to exacting
standards for critical service in heat exchangers, condensers, and
demanding process environments where reliability under pressure and
corrosion is paramount. Its seamless construction and the proven
properties of Incoloy 825 make it a cornerstone material for
challenging industrial applications.
Sizes: Typically covers a wide range of OD and wall thickness combinations common for heat exchanger tubing (e.g., OD from ~1/4" to 3"+, WT as per schedule or BWG).
Temper: Usually supplied in the solution annealed condition (as required by ASTM B163 for corrosion resistance).
Chemical Composition of ASTM B163 Incoloy 825 Seamless Nickel Alloy
tube
| 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%) |
Mechanical Property of ASTM B163 Incoloy 825 Seamless Nickel Alloy tube
| 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 |
Primary Properties:
Excellent Corrosion Resistance: Specifically designed for harsh environments.
Resists sulfuric & phosphoric acids.
Excellent resistance to chloride-ion stress-corrosion cracking (SCC).
Good resistance to reducing and oxidizing acids.
Resists corrosion in seawater, brine, sour gas (H2S), and caustic solutions.
Good Mechanical Properties: High strength and toughness across a wide temperature range.
High-Temperature Stability: Suitable for service up to approximately 540°C (1000°F) in many environments.
Fabricability: Good weldability and formability using standard techniques for nickel alloys
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 |
Application
Shell & Tube Heat Exchangers / Condensers
Feedwater Heaters
Process Piping in Chemical & Petrochemical Plants (handling acids, chlorides, H2S)
Offshore Oil & Gas Production Systems (seawater cooling, process fluids)
Flue Gas Desulfurization (FGD) Systems
Acid Production, Handling, and Recovery
Seawater Handling Equipment
Nuclear Fuel Reprocessing
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