High Pressure A182 F321 Welding Neck Flange Class 900# DN15-DN600 ASME B16.5
This stainless steel welding neck flange is manufactured in strict accordance with ASME B16.5, using A182 F321 stainless steel, with pressure rating Class 900# and full size range DN15 to DN600.
F321 is a titanium-stabilized austenitic stainless steel, providing excellent resistance to intergranular corrosion, high-temperature oxidation and creep strength. It is widely used in high-temperature, high-pressure and corrosive pipeline systems.
The welding neck (WN) design ensures high structural strength, smooth flow transition and reliable welding performance, effectively reducing stress concentration and improving pipeline stability under high pressure.
Key features:
- Standard: ASME B16.5
- Material: A182 F321 Stainless Steel
- Type: Welding Neck Flange
- Pressure: Class 900#
- Size: DN15 – DN600
- Face Type: RF, RTJ available on request
- Application: Oil & gas, petrochemical, power plant, boiler, heat exchanger and high-pressure piping systems
All flanges are produced with precision forging and machining, and undergo full inspection including dimensional check, pressure test and material certification to ensure stable performance and long service life.
| Test |
Chemical Component Analysis, Mechanical Properties, Metallurgical Analysis, Impact Testing, Hardness testing , Ferrite Testing, Intergranular corrosion testing, X-ray Inspection (RT), PMI, PT, UT, HIC & SSC test, etc. or as your requirement |
| Brand |
TOBO |
| Certificates |
API, ISO, SGS, BV, CE, PED, KOC, CCRC, PDO, CH2M HILL and etc. |
| Advantages |
1. Abundant stock and prompt delivery
2. Reasonable for whole packages and processes.
3. 15 years' QC team service & sales management API& ASTM trained engineers.
4. More than 150 customers spread worldwide. |
| MOQ |
1pcs |
| Delivery time |
10-100 days depending on quantity |
| Payment terms |
T/T or Western Union or LC |
| Shipment |
FCA Tianjin/Shanghai, CFR, CIF, etc |
| Application |
Petroleum/Power/Chemical/Construction/Gas/Metallurgy/Shipbuilding etc |
| Remarks |
Other materials and drawings are available. |
N08800 features
1. High temperature strength
2. High creep breaking strength
3. Resistance to oxidation and Carburization in high temperature environment
4. Good corrosion resistance in many acidic environments
5. Good tolerance to many sulfur-containing atmospheres
FAQ.
Q: Are you trading company or manufacturer ?
A: We are manufacturer ,You can see the certification.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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