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). |

Stainless steel flanges offer excellent resistance to rust, oxidation, and chemical corrosion, making them suitable for demanding industrial environments.
They provide reliable mechanical strength and long service life under high-pressure, high-temperature, and corrosive operating conditions.
Precision-machined sealing faces help create secure and leak-resistant pipe connections.
Stainless steel flanges maintain stable performance across a wide range of operating temperatures.
Their smooth and corrosion-resistant surfaces make them suitable for food processing, pharmaceutical, and sanitary piping systems.
Excellent corrosion resistance reduces maintenance frequency, replacement costs, and system downtime.

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

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.

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.

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.


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






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.
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.
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.
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.
Common materials include ASTM A182 F304, F304L, F316, F316L, F321, F347, and other stainless steel grades.
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.
Yes. We can manufacture customized Stainless Steel Flanges according to customer drawings, specifications, dimensions, pressure ratings, and project requirements.
Yes. Material Test Certificates (MTC), dimensional inspection reports, PMI reports, ultrasonic testing reports, and other quality documents can be provided according to customer requirements.
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.
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