Corrosion-Resistant N10276 WN RF Flange 3 Inch Class 300 Alloy Steel Flanges
Corrosion-Resistant N10276 WN RF Flange 3 Inch Class 300 Alloy Steel Flanges
- Material: ASTM N10276 Alloy Steel
- Type: WN Weld Neck Flange
- Face Type: RF Raised Face
- Size: 3 Inch
- Pressure Class: Class 300
- Standard: ANSI/ASME B16.5
- Surface: Anti-rust treatment, passivation
- Features: Corrosion resistant, high strength, leak‑proof, long service life
- Application: Corrosive industrial piping systems
- Premium N10276 alloy provides extreme resistance to pitting, crevice and stress corrosion
- Weld Neck structure reduces stress concentration and improves pipeline stability
- RF raised face ensures reliable sealing under pressure and vibration
- Class 300 rating delivers stable performance in medium‑to‑high pressure systems
- Precision machining guarantees dimensional accuracy and easy installation
Anti-rust film, foam protection and wooden case packaging; shockproof, moisture‑proof and durable for long‑distance transport.
Product Description
| Product Name | Carbon steel / Stainless steel / Alloy Flanges |
| Standard | ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Type | WN Flange, So Flange, LJ Flange, LWN Flange, SW Flange, Orifice Flange, Reducing Flange, figure 8 blind (blank&Spacer) Special Flange: According to the drawing Picture |
| Materials |
Nickel Alloy: ASTM/ASME S/B366 UNS N08020, N04400, N06600, N06625, N08800, N08810, N08825, N10276,N10665,N10675 Carbon Steel: ASTM/ASME S/A105, ASTM/ASME S/A350 LF2, ASTM/ASME S/A694/A694M, F42, F52, F56, F60, F65, F70....ASTM/ASME S/A350 LF2, ASTM/ASME S/A694/A694M, F42, F52, F56, F60, F65, F70.... |
| Dimension | (150#,300#,600#): DN15-DN1500 900# : DN15-DN1000 1500#: DN15-DN600 2500#:D N15-DN300 |
| Marking | Supply Logo + Standard + Size(mm) + HEAT NO +or as your requirement |
| 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 requirment |
| 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. 4. More than 150 customers spread worldwide. (Petrofac, G.S Engineer, Fluor, Hyundai Heavy industry, Kuwait National Oil, Petrobras, PDVSA, PetroEcuador, SHELL, etc.) |
- Are you a manufacturer?
- Yes, we are a professional flange and pipe fittings manufacturer.
- Can you provide MTC?
- Yes, full material test certificates are available.
- Do you accept custom sizes?
- Yes, custom sizes, classes and face types are supported.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.