/ Stainless Steel Flanges

Stainless Steel Flanges

Dimensions: 1/2”, 2”, 3”, 4”, 6”, 8”, 10”, Customized up to 60”
Material: Stainless Steel 304, 304L, 316, 316L, 321, 347
Thickness: Schedule 10(S) to SCH 160
Standard: ASME, ANSI, DIN, JIS, EN, GOST etc.
Class Range: Class 150 to 2500 (# or LB), PN 2.5 to PN 250
Flange Face Type: RF, FF, RTJ, MFM, TG
Connection: Butt Weld, Socket Weld, Threaded or Lap Joint
Manufacturing Process: Forging

Stainless steel flanges provide excellent corrosion resistance, reliable sealing performance, and long service life. They are suitable for corrosive, hygienic, high-pressure, and high-temperature piping systems.

They comply with standards such as ASME B16.5, ASME B16.47, EN 1092-1, DIN, JIS, and GOST. Common materials include ASTM A182 F304, F304L, F316, and F316L.

Widely used in chemical processing, oil and gas, food and beverage, pharmaceutical, water treatment, marine, and industrial piping systems.
Product Description

Stainless steel flange Descriptions

Stainless steel flange is a flange made of stainless steel raw materials, due to the performance of the material itself, the stainless steel flange has a smooth and beautiful surface, and has a variety of advantages such as corrosion resistance, high-temperature resistance, pressure resistance, abrasion resistance, etc., and is more often used in the requirements of the higher environment of the harsh industrial pipeline.

Here is a detailed feature and performance table for stainless steel flanges:

Feature/Performance Description
Type weld neck flanges, slip-on flanges, blind flanges, lap joint flanges, socket weld flanges, threaded flanges.
Material ASTM A182 F304、304L、 F316、316L、1Cr18Ni9Ti、0Cr18Ni9Ti、321、18-8.
Sizes 1/2″ – 60″
Pressure Class75、Class150、Class300、Class400、Class600、Class900、Class1500、Class2500
Common Standards ANSI/ASME B16.5, ANSI/ASME B16.47, EN 1092-1, JIS B2220
flange face Raised face (RF), concave face (FM), convex face (M), tongue and groove (T), groove (G), full face (FF), ring joint (RJ)
Connection Methods Bolted connections, welded connections, combined welded and bolted connections, quick clamp or swivel connections, etc.
Advantageous Smooth surface, strong compression resistance, high and low-temperature resistance, strong corrosion resistance
Production process Forging, heat treatment, and machining
Ingot billets and round bars – Chemical element analysis – Band saw cutting – Forging – Heat treatment – Inspection – Blank stock – Lathes -Deep hole drilling – Inspection – – Marking – Packing in plywood.
Product Testing Direct Reading Spectrometer, Hydrostatic Pressure Tester, X-ray Flaw Detector, UI Ultrasonic Flaw Detector, Magnetic Particle Flaw Detector
Each product has its own quality certificate and can also be tested by a third party.
Production equipment Unloading machines, forging hammers, presses, flange molds, heat treatment furnaces, machining lathes, high-speed drilling machines, marking and typing machines, etc.
Application Stainless steel flanges are widely used in various industrial applications due to their strength, corrosion resistance, and durability. They are utilized in industries such as chemical processing (corrosive environments), oil and gas (pipelines), food and beverage (sanitary systems), pharmaceutical (cleaning and production), marine (shipbuilding and offshore), HVAC (ductwork and ventilation), water treatment (pipelines and filtration), and stockbreeding (pigging systems).

Specifications

Advantages of Stainless Steel Flanges

Excellent Corrosion Resistance

Stainless steel flanges offer excellent resistance to rust, oxidation, and chemical corrosion, making them suitable for demanding industrial environments.

High Strength and Durability

They provide reliable mechanical strength and long service life under high-pressure, high-temperature, and corrosive operating conditions.

Reliable Sealing Performance

Precision-machined sealing faces help create secure and leak-resistant pipe connections.

Good Temperature Resistance

Stainless steel flanges maintain stable performance across a wide range of operating temperatures.

Hygienic and Easy to Clean

Their smooth and corrosion-resistant surfaces make them suitable for food processing, pharmaceutical, and sanitary piping systems.

Low Maintenance Requirements

Excellent corrosion resistance reduces maintenance frequency, replacement costs, and system downtime.

Advantages of Threaded Flange

Applications

Oil and Gas Industry

Stainless steel flanges are widely used in oil and gas pipelines, offshore platforms, and processing equipment. Their excellent corrosion resistance and reliable sealing performance make them suitable for high-pressure and harsh operating environments.

Chemical Processing

Stainless steel flanges provide strong resistance to acids, chemicals, and corrosive fluids. They are commonly used in chemical plants, refineries, reactors, and industrial piping systems.

Food and Pharmaceutical Industry

The smooth, corrosion-resistant surface of stainless steel flanges makes them suitable for hygienic piping systems. They are widely used in food processing, beverage production, pharmaceutical equipment, and clean production lines.

Water Treatment

Stainless steel flanges are used in water supply, wastewater treatment, desalination, and filtration systems. They offer long service life and stable performance in wet and corrosive environments.

Marine Industry

Stainless steel flanges are suitable for ships, offshore facilities, and seawater piping systems. Their resistance to rust and saltwater corrosion helps reduce maintenance requirements.

Power Generation

Stainless steel flanges are used in steam, cooling water, and auxiliary piping systems in power plants. They provide dependable connections under high-temperature and high-pressure conditions.

Applications

PRODUCTION PROCESS

Our Stainless steel flange are manufactured through a controlled production process from raw material inspection to final shipment. Every step is traceable through material identification, process records, dimensional inspection, heat treatment records, and final quality control.

This production process ensures stable quality, accurate dimensions, reliable sealing performance, and compliance with project specifications.

PRODUCTION PROCESS

Why Choose Us

Comprehensive Fabricating Capabilities

We coordinated manufacturing, warm treatment, machining, testing, and bundling beneath one roof. You get steady quality control all through the whole generation process.

International Standards Compliance

Our products meet ASME, EN, DIN, JIS, and GOST standards. You can specify the exact requirements for your regional applications with confidence.

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Extensive Estimate Run

From DN15 to DN4000, we cover essentially all mechanical necessities. Your ventures advantage from single-source obtainment convenience.

Quality Affirmation

Progressed testing offices guarantee each product meets details. You get certified items with total traceability documentation.

Global Trade Involvement

Our items serve markets over Europe and the Americas. You work with demonstrated providers who get it worldwide quality expectations.

Competitive Preferences

Prevalent quality, competitive estimating, secure bundling, and quick conveyance combine to back your extend timelines and budgets.

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Why Choose Us


COMPANY PROFILE

Shanxi HongKai Forging Co., Ltd. Was located in Dingxiang County, known as the "Hometown of Forging Flanges" in Shanxi Province, which is part of Chinese energy and heavy chemical industrial base. The area boasts convenient transportation, abundant coal and power resources, fast communication, and an excellent environment. The company has three big workshops in total. We have 20 years experiences in flanges and forging industry, we can produce 20, 000MT per year. We have strength capacity to produce the flange in every process.

Along with capabilities in forging and heat treatment, integrated production capabilities including machining, physical and chemical testing, surface treatment, and packaging and shipment. Possessing solid technical expertise, advanced production processes, and a complete quality inspection, reliable after-sales service, for customers worldwide and domestically multiple clients have provided a solid foundation for collaboration.

The flanges manufactured by our company comply with the American standard ASME B16.5/B16.47, European Standard EN1092-1, German Standard DIN, Japanese Standard JIS, Russian

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COMPANY PROFILE
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FAQ

What are Stainless Steel Flanges?

Stainless Steel Flanges are forged pipe connection components made from stainless steel materials such as ASTM A182 F304, F304L, F316, and F316L. They provide excellent corrosion resistance, reliable sealing performance, and long service life in demanding piping systems.

What are the main advantages of Stainless Steel Flanges?

Stainless Steel Flanges offer excellent resistance to rust, oxidation, and chemical corrosion. They also provide good strength, hygienic surfaces, stable performance, and low maintenance requirements.

What types of Stainless Steel Flanges are available?

We supply various types of Stainless Steel Flanges, including Weld Neck Flanges, Blind Flanges, Slip On Flanges, Socket Weld Flanges, Threaded Flanges, Lap Joint Flanges, and Long Weld Neck Flanges.

What standards are Stainless Steel Flanges manufactured according to?

Stainless Steel Flanges can be manufactured according to international standards such as ASME B16.5, ASME B16.47, EN 1092-1, DIN, JIS, BS, and GOST standards.

What materials are commonly used for Stainless Steel Flanges?

Common materials include ASTM A182 F304, F304L, F316, F316L, F321, F347, and other stainless steel grades.

Where are Stainless Steel Flanges used?

Stainless Steel Flanges are widely used in chemical processing, oil and gas, food and beverage, pharmaceutical, water treatment, marine, power generation, and sanitary piping systems.

Can Stainless Steel Flanges be customized?

Yes. We can manufacture customized Stainless Steel Flanges according to customer drawings, specifications, dimensions, pressure ratings, and project requirements.

Do you provide inspection documents for Stainless Steel Flanges?

Yes. Material Test Certificates (MTC), dimensional inspection reports, PMI reports, ultrasonic testing reports, and other quality documents can be provided according to customer requirements.

Contact Us

Quality Stainless Steel flanges solutions ensure your piping systems operate safely and efficiently for years to come.Ready to discuss your product requirements? Contact our technical team at kevin.zhao@hkflange.com for expert guidance and competitive pricing.

Fast Response

Clear Communication, and Reliable Technical Support