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China factory - TOBO STEEL GROUP CHINA

TOBO STEEL GROUP CHINA

  • China,Shanghai ,Shanghai
  • Verified Supplier
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  3. ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges

  1. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  2. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  3. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  4. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  5. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  6. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  7. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  8. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  9. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  10. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  11. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  12. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  13. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  14. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  15. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges
  16. China ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges

ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges

  1. MOQ： 1 PCs
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms T/T, Western Union
Supply Ability 10Ton/Month
Delivery Time 15-30 workdays
Packaging Details Wooden case or as request
Product name Alloy Steel Flanges
Connectiontype Welded or Threaded
Materials NO 6625
Width 3mm-2500mm or as required
Thickness Customized
Usage Oil Gas Sewage Transport
Surface Treatment Heat treatment,Galvanized,customize
Standard Or Nonstandard ASME 16.5
Face Type RF, FF, RTJ
Type Welding Neck
Shape round
Port Shanghai, Ningbo, Etc.
Standard ASME/ANSI B16.5
Head Code Round
Types WN Flange
Pressure 150#~2500#
Brand Name TOBO
Model Number Alloy Steel Flanges
Certification ISO/TUV/SGS
Place of Origin SHANGHAI CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, Western Union Supply Ability 10Ton/Month
Delivery Time 15-30 workdays Packaging Details Wooden case or as request
Product name Alloy Steel Flanges Connectiontype Welded or Threaded
Materials NO 6625 Width 3mm-2500mm or as required
Thickness Customized Usage Oil Gas Sewage Transport
Surface Treatment Heat treatment,Galvanized,customize Standard Or Nonstandard ASME 16.5
Face Type RF, FF, RTJ Type Welding Neck
Shape round Port Shanghai, Ningbo, Etc.
Standard ASME/ANSI B16.5 Head Code Round
Types WN Flange Pressure 150#~2500#
Brand Name TOBO Model Number Alloy Steel Flanges
Certification ISO/TUV/SGS Place of Origin SHANGHAI CHINA
High Light ASTM N10276 weld neck flange ，3 inch 300# alloy steel flange ，high performance RF flange

ASTM N10276 RF Weld Neck Flange 3" 300# High Performance Alloy Steel Flanges

 

Product Description

 
These high performance weld neck flanges are made from ASTM N10276 nickel‑based alloy steel, featuring excellent corrosion resistance, high temperature stability and superior mechanical properties. Designed with RF raised face and Class 300 pressure rating, the 3‑inch flanges ensure tight sealing, high pressure resistance and long service life in harsh industrial environments. They are widely used in corrosive piping systems where reliability and durability are critical.
 

Key Parameters

 
  • Material: ASTM N10276 Alloy Steel
  • Type: WN Weld Neck Flange
  • Face Type: RF Raised Face
  • Size: 3 Inch
  • Pressure Class: 300#
  • Standard: ASME B16.5
  • Surface: Passivation, anti‑rust coating
  • Features: High performance, corrosion resistant, high strength, leak‑proof
  • Application: Chemical, petrochemical, offshore, marine and high‑corrosion piping systems
 

Application

 
Widely applied in chemical processing, refineries, offshore platforms, desalination plants, pharmaceutical and environmental engineering piping systems. Suitable for pipelines conveying acids, alkalis, chloride media and other corrosive fluids.
 

Product Advantages

 
  • Premium ASTM N10276 alloy provides excellent resistance to oxidation, pitting and stress corrosion
  • Weld neck structure reduces stress concentration and improves pipeline integrity
  • RF raised face design ensures reliable sealing under pressure and vibration
  • Class 300 pressure rating for stable performance in medium‑to‑high pressure systems
  • Precision machining ensures accurate dimensions and easy installation
  • Long service life in extreme working conditions
 

Installation & Use

 
Check flange surface, sealing face and bore for defects before installation; clean welding ends thoroughly; align with matching pipe and perform professional welding; tighten bolts evenly and symmetrically; conduct hydrostatic pressure test after installation.
 

Precautions

 
Store in dry, ventilated and non‑corrosive environment; avoid collision and scratch during transportation and handling; use within rated temperature and pressure; adopt special welding technology for nickel‑based alloy materials.
 

Delivery

 
Ship within 7–15 working days after order confirmation; shipped by sea, air or express; logistics tracking number provided.
 

Payment Terms

 
T/T, L/C, Western Union, PayPal; 30% deposit, balance before shipment.
 

Packing

 
Anti‑rust film, foam protection and plywood wooden case packing; shockproof, moisture‑proof and durable for long‑distance transportation.

 

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
Super Stainless Steel: ASTM/ASME S/A182 F44, F904L, F317L
Stainles steel: ASTM/ASME S/A182 F304, F304L, F304H, F316, F316L, F321, F321H, F347H
Duplex Steel: ASTM A182 F51, F53, F55
Alloy Steel: ASTM/ASME S/ A182 F11, F12, F22, F5, F9, F91

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.
3. 15 years' QC team service & sales management API& ASTM trained engineers.

4. More than 150 customers spread worldwide. (Petrofac, G.S Engineer, Fluor, Hyundai Heavy industry, Kuwait National Oil, Petrobras, PDVSA, PetroEcuador, SHELL, etc.)

 

ASTM N10276 Alloy Steel Flanges RF Raised Face WN Weld Neck Flange 300# 3 Inch 0

ASTM N10276 Alloy Steel Flanges RF Raised Face WN Weld Neck Flange 300# 3 Inch

ASTM N10276 Alloy Steel Flanges RF Raised Face WN Weld Neck Flange 300# 3 Inch

FAQ
  1. Are you a manufacturer?
  2. Yes, we are a professional flange and pipe fittings manufacturer.
  3.  
  4. Can you provide MTC?
  5. Yes, full material test certificates are available.
  6.  
  7. Do you accept custom sizes?
  8. Yes, custom sizes, classes and face types are supported.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Agent,Importer,Exporter,Trading Company,Seller

  • Year Established:

    1998

  • Total Annual:

    3,000,000-10,000,000

  • Employee Number:

    200~300

  • Ecer Certification：

    Verified Supplier

TOBO GROUP sales head offce in Shanghai.   We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia... TOBO GROUP sales head offce in Shanghai.   We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia...

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Get in touch with us

  • Reach Us
  • TOBO STEEL GROUP CHINA
  • No.208,Lvdi Road,Baihe Town,Qingpu District,Shanghai,China
  • https://www.tobo-group.com/

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