YUHONG Alloy Steel Channel Cover Flange – ASME SA266 Gr. 2N (Normalized)

Premium Quality Flanges for High-Pressure Heat Exchangers & Pressure Vessels

About YUHONG

YUHONG Group is a globally recognized manufacturer and supplier of high-performance pressure vessel components, piping systems, and industrial flanges. With over 20 years of expertise in metallurgy and precision engineering, we specialize in delivering ASME, EN, and API-compliant products for the oil & gas, power generation, and chemical processing industries.

Certifications & Standards:

• ASME Section VIII Div. 1 & Div. 2

• ISO 9001:2015

• PED 2014/68/EU

• NB/T 47008-2017 (China GB Standards)

Product Overview

YUHONG’s Alloy Steel Channel Cover Flange (ASME SA266 Gr. 2N, Normalized) is designed for critical high-pressure and high-temperature applications in heat exchangers, reactors, and condensers. Manufactured under strict quality control, each flange undergoes normalization heat treatment for improved mechanical properties and PT/UT inspection to ensure zero defects.

Key Features & Advantages

✔ Superior Material: Alloy steel (SA266 Gr. 2N) with excellent tensile strength and impact resistance.
✔ Optimized Heat Treatment: Normalized for uniform microstructure and stress relief.
✔ Rigorous Testing: 100% PT (Liquid Penetrant) and UT (Ultrasonic) inspected.
✔ Custom Solutions: Available in ASME B16.5, B16.47, or customer-specified designs.
✔ Corrosion & Fatigue Resistant: Ideal for harsh operating conditions.
✔ Precision Machining: Ensures perfect gasket seating and leak-proof performance.

Technical Specifications

1. Material & Mechanical Properties

2. Dimensional & Pressure Ratings

3. Non-Destructive Testing (NDT)

Applications

YUHONG’s flanges are widely used in:

• Shell & Tube Heat Exchangers

• Boilers & Condensers

• Petrochemical Refineries

• Power Plants (Nuclear & Thermal)

• Offshore Oil & Gas Platforms

Why Choose YUHONG?

✅ 20+ Years of Expertise in alloy steel fabrication.
✅ Full Traceability: Mill test reports (MTR) & material certifications.
✅ Custom Manufacturing: Tailored dimensions, coatings, and material grades.
✅ Global Supply Chain: Fast delivery to Europe, Middle East, Asia & Americas.
✅ Strict Quality Assurance: ISO 9001 & ASME compliant production.

Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor.  

Jinjiang Factory: 
Main Products: Heat Exchanger, Pressure Vessel ,Condenser, Economizer, Evaporator, Column, Fired Heater;

Certificates: ASME PP, ASME S, ASME U, ASME NB, ISO3834, GB/T24001-2016/ISO 14001:2015, GB/T9001-2016/ISO9001:2015,
                      GB/T45001-2020/ISO45001:2018, TS2232A55-2026
Factory Info.: Workshop 6000 square meters, 160 workers, 1000sets/year.

 

Jiangyin Factory:
Main Products: Heat Exchanger, Pressure Vessel ,Condenser, Economizer, Evaporator;

Certificates: ASME U, ASME NB, GB/T9001-2016/ISO9001:2015,GB/T24001-2016/ISO 14001:2015, 
                      GB/T45001-2020/ISO45001:2018, GB/T9022.1-ISO10012-1.
Factory Info.: Workshop 24000 square meters, 120 workers, 600sets/year.
 

Yancheng Factory:
Main Products: Air-cooled Heat Exchanger, Cooling Tower, Pressure Vessel, Economizer, Evaporator;

Certificates: ASME U, CTI Certification, Air Cooler safety registration certificate, Pressure Vessel TS,
                      GB/T9001-2016/ISO9001:2015,GB/T24001-2016/ISO 14001:2015, GB/T45001-2020/ISO45001:2018                      
Factory Info.: Workshop 100000 square meters, 450 workers, 2000sets/year.