China Manufacturers Customized High Quality Different Size Stainless Steel SS316/321/F304 Butt Welding with Neck Socket Weld Slip-on Pipe Flange

• Customization: Available
• Standard: ANSI, GB, GOST, Hg/T ASME GB/T
• Type: Slip-on Flange (F.F)
• Model NO.: BW SW THD
• Material: Stainless Steel
• Structure: Flanges
• Connection: Welding
• Sealing Surface: RJ
• Manufacturing Way: Forging
• Thickness: Sch5s-Xxs
• Pressure: Pn2.5-68
• Surface Treatment: Polishing, etc.
• Certifications: Is09001 45001 14001
• Transport Package: Wooden Case
• Specification: 3/8''--24''
• Trademark: XT
• Origin: Hebei, China

Product Description

Product Description

PIPE FLANGE
 
High-quality forged steel pipe flange designed for reliable pipeline connections in demanding industrial applications.
 
Manufactured from premium stainless steel, carbon steel, and alloy steel, this pipe fitting flange offers exceptional strength and corrosion resistance.
 
Available types include weld neck, slip-on, blind, socket weld, threaded, and lap joint flanges.
 
Suitable for petroleum, natural gas, chemical processing, and water treatment industries worldwide.

KEY FEATURE
 
* Precision forged from stainless steel (304/316L/904L), carbon steel (A105), and alloy steel, ensuring superior durability in extreme conditions.
 
* Multiple types available, including weld neck, slip-on, blind, and lap joint flanges with sizes from 1/2 inch to 48 inches.
 
* Compliant with international standards ANSI/ASME, DIN, GB/T, and GOST, pressure ratings ranging from Class 150 to Class 2500.
 
* Widely applied in petroleum pipelines, chemical plants, power stations, and offshore engineering projects, ensuring safe and leak-free connections.

Specification

TECHNICAL PARAMETERS
Product Name	Stainless Steel Flange
Keywords	Pipe Flange
Size Range	1/2" - 48" (OEM Custom Available)
Material	Stainless Steel/Carbon Steel/Alloy Steel
Flange Type	Weld Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), Threaded, Lap Joint (PJ)
Connection	Welding, Threaded, Socket Welding
Standard	ANSI/ASME, DIN, GB/T, GOST
Pressure Class	Class 150 - Class 3000 (ANSI), PN6 - PN100 (EN), ISO 50001, GOST, EN
Surface Treatment	Sandblasting, Polishing
Application	Petroleum, Natural Gas, Chemical, Water Treatment
Certification	API, ISO9001, ISO45001, ISO14001

High-Precision Flange Machining & Flexible Customization

Milling and shaping workpieces with precision up to 0.1 mm, we support automatic machining of intermediate and edge holes for flanges and forgings, using tool magazines and automatic tool changers, with a maximum milling area of 5000 mm \times 3500 mm.

Combined with our flexible OEM and ODM services, we deliver flanges in special sizes, materials, pressure ratings, and surface treatments. Our engineering team collaborates closely with you to provide high-precision, project-specific flange solutions.

Complete Flange Range & Advanced Automatic Machining

We provide a complete range of pipe flanges—weld neck, slip-on, blind, socket weld, threaded, and lap joint types—from a single reliable source, simplifying procurement and reducing logistics costs.

Our automatic machining capabilities handle intermediate and edge holes with bolt diameters up to 100 mm and center distances of 3500 mm, enabling efficient production of both standard and heavy-duty flanges.

Automatic Machining & Certified Quality Assurance

We offer automatic machining of flanges, forgings, pipe fittings, and other irregular shapes, with a maximum turning diameter of 800, mm, ensuring stable accuracy and efficiency for a wide variety of components.

Every pipe flange is subjected to rigorous inspection and testing before shipment and is backed by API, ISO9001, ISO45001, and ISO14001 certifications. With complete material certificates and test reports, we ensure zero defects and full traceability, giving you reliable quality and total peace of mind.

FAQ

Q1: Do you have your own factory?
A: Yes, we do. We have our own factory, and we can provide a competitive price and good quality.

Q2: Can you accept TPI?
A: Yes, sure. Welcome to visit our factory and come here to inspect the goods and the production process.

Q3: Can you supply samples?
A: Yes, we could provide the free samples on condition that they are available in stock; however, the transportation fee is borne by the buyer.

Q4: Do you have after-sales service?
A: Our quality and service are our life, so even after your buying, we still offer free after-sales service.

Q5: Custom-made Products
A: If you have your own design, we can produce according to your specifications and drawings.

Q6: What are the advantages of your company?
A: (1): Prime quality and reasonable price. 
     (2): Wide excellent experiences with after-sales service. 
     (3): Every process will be checked by a responsible QC, who ensures every product's quality. 
     (4): Professional packing teams that keep every packing safe.
     (5): Trial order can be done in one week. 
     (6): Samples can be provided according to your requirements.

Q7: Is it safe for the payment for me, as we are a new corporation?
We can do the trade assurance on MIC, which will guarantee your products receive, we also accept other safe payment ways as you want.