YUHONG HOLDING GROUP CO., LTD
| Delivery Time | 7days |
| Standard | ASTM B163, ASME SB163 |
| Process | Cold Drawn |
| Packaging Details | Ply-wooden Case / Bundle with plastic Cap |
| Tube End | Plain End, Beveled End |
| Payment Terms | L/C,T/T |
| Material | Incoloy/Alloy 825, UNS N08825, 2.4858 |
| Length | Single Random, Double Random & Cut Length |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| WT | BWG 25, 22, 20, 18 ... 10 |
| High Light | ASME SB163 UNS N08825 Nickel Alloy Tube, Incoloy 825 Seamless Heat Exchanger Tube |
| Production Name | Nickel Alloy Tube |
| Application | Boiler, Heat Exchanger, Oil and Gas Plant, Cooling, Condenser |
| Model Number | ASME SB163 UNS N08825 Nickel Alloy Seamless Tube |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
| Brand Name | YUHONG |
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Product Specification
| Delivery Time | 7days | Standard | ASTM B163, ASME SB163 |
| Process | Cold Drawn | Packaging Details | Ply-wooden Case / Bundle with plastic Cap |
| Tube End | Plain End, Beveled End | Payment Terms | L/C,T/T |
| Material | Incoloy/Alloy 825, UNS N08825, 2.4858 | Length | Single Random, Double Random & Cut Length |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. | WT | BWG 25, 22, 20, 18 ... 10 |
| High Light | ASME SB163 UNS N08825 Nickel Alloy Tube, Incoloy 825 Seamless Heat Exchanger Tube | Production Name | Nickel Alloy Tube |
| Application | Boiler, Heat Exchanger, Oil and Gas Plant, Cooling, Condenser | Model Number | ASME SB163 UNS N08825 Nickel Alloy Seamless Tube |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| Brand Name | YUHONG | ||
| High Light | ASME SB163 Incoloy 825 seamless tube ，Nickel alloy heat exchanger tube ，UNS N08825 pickled exchanger tube | ||
ASME SB163 UNS N08825 / Incoloy 825 Nickel Alloy Tube Seamless Heat Exchanger Tube
The "Goldilocks" Economic Advantage
Cost-Effective Upgrade: It costs roughly 3.5–4.5x more than 316L, but only ~50–60% of the cost of Hastelloy C-276 or Alloy 625. It occupies the critical middle tier—used precisely when 316L is guaranteed to fail, but C-276 would be over-engineered and budget-breaking.
Extended Service Life: In sour oil/gas and phosphoric acid plants, its lifespan often exceeds 15–20 years, drastically reducing plant downtime for re-tubing compared to carbon steel or low-grade stainless.
NACE Compliance: It fully complies with NACE MR0175 / ISO 15156 for sour service, eliminating the need for expensive chemical inhibition dosing in H₂S environments.
Equivalent Grades of ASME SB163 UNS N08825 / Incoloy 825 Nickel Alloy Tube Pickled Heat Exchanger Tube
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
Chemical Composition % of ASME SB163 UNS N08825 / Incoloy 825 Nickel Alloy Tube Pickled Heat Exchanger Tube
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| Incoloy 825 | 0.05 max | 1.00 max | 0.05 max | 0.03 max | 1.50 – 3.00 | 22.00 min | 38.00 – 46.00 | 19.50 – 23.50 | 0.02 max | 0.06 – 1.20 |
Mechanical properties of ASME SB163 UNS N08825 / Incoloy 825 Nickel Alloy Tube Pickled Heat Exchanger Tube
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Incoloy 825 | 8.14 g/cm3 | 1400 °C (2550 °F) | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa – 220 | 30 % |
Exceptional Corrosion Resistance (Application Suitability)
Incoloy 825 is chosen for heat exchangers because it resists a wide range of aggressive media:
Sulfuric Acid: Excellent resistance up to 60°C in various concentrations.
Phosphoric Acid: Superior resistance, widely used in fertilizer production.
Organic Acids: Resists formic, acetic, and fatty acids.
Chloride Stress Corrosion Cracking (SCC): While not as immune as Alloy 600, it offers superior resistance to chloride SCC compared to 304/316 stainless steels.
Pitting/Crevice Corrosion: The Molybdenum content provides robust resistance in seawater and brackish water.
Oxidizing/Acid Chlorides: Resists pitting in sour service (H₂S) environments.
Application
These tubes are critical in severe operating environments:
Oil & Gas: Sour gas processing, downhole tubing, and cooler/condenser units handling H₂S and CO₂.
Chemical Processing: Heat exchangers in the production of sulfuric acid, phosphoric acid (wet-process), and petrochemical cracking.
Marine & Offshore: Shipboard heat exchangers, seawater cooling systems, and ballast water treatment units.
Pollution Control: Wet scrubber systems and flue gas desulfurization (FGD) heat exchangers.
Nuclear Fuel Reprocessing: Due to its resistance to nitric acid.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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