Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 1000 pcs per month |
| Delivery Time | According to the quantity |
| Packaging Details | Plywood case |
| Standard | ASTM B564 |
| Material | Incoloy 825; UNS N08825 |
| Type | Welding neck flange |
| WNRF Flanges Size | 1/8" NB TO 48"NB. |
| Wall Thickness | SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc. |
| Pressure Class | Class150, Class300, Class400, Class600, Class900, Class1500, Class2500 |
| Brand Name | YUHONG |
| Model Number | ASTM B564 Incoloy 825 Welding Neck Flange |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 1000 pcs per month |
| Delivery Time | According to the quantity | Packaging Details | Plywood case |
| Standard | ASTM B564 | Material | Incoloy 825; UNS N08825 |
| Type | Welding neck flange | WNRF Flanges Size | 1/8" NB TO 48"NB. |
| Wall Thickness | SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc. | Pressure Class | Class150, Class300, Class400, Class600, Class900, Class1500, Class2500 |
| Brand Name | YUHONG | Model Number | ASTM B564 Incoloy 825 Welding Neck Flange |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | China |
| High Light | astm b564 nickel alloy flange ，inconel 825 nickel alloy flange ，uns 8825 nickel alloy flange | ||
Overview:
Incoloy 825 welding neck flanges are specialized components used in piping systems for various industries, especially those involving corrosive environments. Made from Incoloy 825, an alloy primarily composed of nickel, iron, and chromium, these flanges are designed to offer excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.
The welding neck design features a long, tapered neck that gradually transitions into the flange body. This design allows for a more gradual stress distribution at the joint, which is beneficial in high-pressure applications. The flange is typically welded directly to the piping, ensuring a strong and reliable connection that minimizes the risk of leaks.
Incoloy 825's high nickel content provides exceptional resistance to oxidation and reduces the susceptibility to sulfide stress corrosion cracking, making these flanges suitable for use in sour gas environments and in contact with various chemicals, including sulfuric and phosphoric acids. The alloy also maintains its mechanical properties across a wide temperature range, which is particularly important in applications subject to thermal fluctuations.
Welding Incoloy 825 requires specific techniques to ensure a proper bond and to prevent issues such as cracking. Typically, TIG welding is recommended due to its precision and ability to control heat input, reducing the likelihood of altering the material's properties. Proper pre-welding and post-welding heat treatment may also be necessary to relieve any residual stresses and enhance corrosion resistance.
Applications of Incoloy 825 welding neck flanges span the oil and gas sector, power generation, wastewater treatment, and chemical processing. Their durability and resistance make them a preferred choice in environments where traditional materials would fail.
Specification:
| Standard | ASTM B564; ASME SB564 |
| Grade | Incoloy 825; UNS N08825 |
| Type | Welding Neck Flange |
| Size | DN15-DN1000 or customized sizes |
| Wall Thickness | SCH5S-SCH.XXS |
| Class | 150#; 300#; 400#; 600#; 900#; 1500#; 2500# |
| Flange Face | Raise Face; Flat Face; Ring Type Joint |
| Packing | Plywood case/Pallet |
Chemical composition:
| Grade | Ni | Cu | Fe | Mn | C | Si | S | Cr | Al | Ti | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS N08825 | 38.0-46.0 | 1.5-3.0 | 22.0 min. | 1.0 max. | 0.05 max. | 0.5 max. | 0.03 max. | 19.5-23.5 | 0.2 max. | 0.6-1.2 | 2.5-3.5 |
Mechanical Properties:
| Grade | Tensile Strength min, ksi(MPa) | Yield Strength 0.2% Offset min, ksi(MPa) | Elongation in 2 in. or 50mm, min (%) |
| UNS N08825 | 85(586) | 35(241) | 30 |
Application:
1. Chemical Processing: Ideal for piping systems handling corrosive chemicals, such as acids and alkalis.
2. Oil and Gas: Used in offshore and onshore applications where harsh environments are present, particularly for sour gas service.
3. Waste Treatment: Effective in wastewater treatment plants to resist chlorides and sulfides.
4. Nuclear Applications: Suitable for components exposed to radioactive materials, ensuring safety and longevity.
5. Marine Engineering: Used in shipbuilding and marine engineering for antifouling and resistance to seawater corrosion.
6. Pharmaceuticals: In medical and pharmaceutical applications where cleanliness and corrosion resistance are critical.
7. Pulp and Paper Industry: Effective in handling bleach and other corrosive substances used in the production process.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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