Stainless Steel Threaded Flange

Product Overview

The LIANHE Stainless Steel Threaded Flange is designed to connect a compatible externally threaded pipe to a piping system without welding the threaded joint. Manufactured from forged stainless steel and finished by precision CNC machining, it provides good mechanical strength, corrosion resistance, and dimensional accuracy.

Multiple sizes, pressure ratings, flange facings, material grades, and international standards are available for industrial and construction piping applications.

Technical Specifications

Size Range: 1/2"–24" (DN15–DN600)

ASME Pressure Classes: Class 150 to Class 2500

JIS Pressure Ratings: 5K, 10K, and 20K

Available Flange Facings:

• Raised Face (RF)

• Flat Face (FF)

• Ring-Type Joint (RTJ)

• Male Face

• Female Face

• Tongue Face (T)

• Groove Face (G)

Manufacturing Standards: ASME/ANSI B16.5, ASME B16.47, JIS B 2220, EN 1092-1, BS 4504, GB/T 9119, HG/T 20592, applicable DIN standards, AS 2129, and GOST 12821

Available Materials:

• ASTM A182 F304, F304L, F316, and F316L

• ASTM A182 F310S, F321, and F347

• SUS304, SUS304L, SUS316, and SUS316L

• S31803 and S32205 Duplex Stainless Steel

• S32750 and S32760 Super Duplex Stainless Steel

• 904L Stainless Steel

Manufacturing Process: Forging and Precision CNC Machining

Product Marking: Size + Pressure Rating + Standard + Material + Heat Number. Customer logos and customized markings are available.

Surface Treatment: Degreasing and Cleaning or Pickling

Packaging: Bubble Wrap or Plastic Protection, Wooden Cases, or Pallets

Certificates: GB/T 19001-2016, ISO 9001:2015, and CE documentation for applicable products

Brand: LIANHE

HS Code: 7307210000

Place of Origin: Wenzhou, Zhejiang, China

Product Features

1. Threaded connection without welding the pipe joint

2. Forged stainless steel construction

3. Good corrosion and oxidation resistance

4. Multiple pressure ratings and facing options

5. Precision-machined threads and sealing surfaces

6. Material traceability through heat-number marking

7. Convenient installation and maintenance

8. Customized production supported

The pipe thread, flange standard, pressure class, facing type, gasket, and mating component must be confirmed before ordering.

Applications

Suitable for compatible applications in:

• Chemical and petrochemical plants

• Pharmaceutical facilities

• Food and beverage processing systems

• Breweries

• Industrial piping systems

• Construction projects

Nuclear or military applications require project-specific qualifications, approvals, material traceability, and inspection.

Testing and Inspection

Available tests include:

• Ultrasonic Testing

• Radiographic Testing, when applicable

• Positive Material Identification

• Liquid Penetrant Testing

• Dimensional Inspection

• Surface Inspection

• Hardness Testing

Available documents include raw-material certificates, EN 10204 3.1 Material Test Certificates, nondestructive testing reports, dimensional reports, and third-party inspection reports.

Quotation and Delivery

Please provide the product size, pressure rating, flange standard, material grade, facing type, thread specification, and required quantity.

Quotation Time: Normally within three working hours.

Quotation Validity: Normally 3–7 days, subject to market conditions.

Delivery Time: Approximately 3–7 days for regular products available from stock and approximately 25 days for new production.

Manufacturer: LIANHE
Place of Origin: Wenzhou, Zhejiang, China