YUHONG Stainless Steel Stationary Flange – ASTM/ASME A/SA182 F310 (B16.5 & Custom)

High-Performance Flanges for Pressure Vessels & Extreme Environments

About YUHONG

YUHONG Group is a leading global manufacturer of high-quality industrial flanges, fittings, and pressure vessel components. With 20+ years of expertise, we specialize in stainless steel, alloy steel, and nickel-alloy products that meet ASME, ASTM, EN, and API standards.

Certifications & Compliance:
✔ ASME Section VIII Div. 1 & Div. 2
✔ ISO 9001:2015, PED 2014/68/EU
✔ NACE MR0175 (for sour service applications)
✔ Custom fabrication per customer drawings

Product Overview

YUHONG’s Stainless Steel Stationary Flange (ASTM/ASME A/SA182 F310, B16.5 & Custom Made) is designed for high-temperature, high-pressure, and corrosive environments in:

• Pressure vessels

• Heat exchangers & reactors

• Petrochemical & power plants

• Offshore oil & gas platforms

These flanges are precision-machined, fully tested, and compliant with international standards, ensuring long-term durability and leak-proof performance.

Key Features & Benefits

✔ Premium Material: SA182 F310 (25Cr-20Ni) stainless steel – excellent oxidation & corrosion resistance at high temps (up to 1150°C / 2100°F).
✔ Multiple Standards: Compliant with ASME B16.5, B16.47, or custom designs.
✔ Heat Treatment: Solution-annealed for maximum strength & ductility.
✔ Strict QC: 100% PT (Liquid Penetrant) & RT (Radiographic Testing) inspected.
✔ Customization: Available in RF (Raised Face), FF (Flat Face), RTJ (Ring-Type Joint).
✔ Corrosion Resistance: Ideal for acidic, alkaline, and high-sulfur environments.

Technical Specifications

1. Material & Mechanical Properties

2. Dimensional & Pressure Ratings

3. Non-Destructive Testing (NDT)

Applications

✅ Pressure Vessels & Reactors
✅ High-Temperature Heat Exchangers
✅ Refinery & Petrochemical Piping
✅ Power Generation (Thermal & Nuclear)
✅ Sour Gas & Offshore Applications

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.