Leading Forged Steel Flanges
Manufacturer Since 1983
ASME B16.5 & B16.47 Compliant | Carbon, Stainless & Alloy Steel | 1/2″ to 80″ Full Sizes or custom.
Global Projects Supplier | ISO & PED Certified | MTC 3.1 Provided.
Get Free Samples
*We respect your confidentiality and all information are protected.
Brands We Covered
We have established close partnerships with numerous oil &gas companies, inventory dealers, and engineering companies worldwide.
Specializing in Bulk Exports to Over 100 Countries
Premium Steel Pipe Flange Collection
Flange Types | Weld Neck (WN), Slip-On (SO), Blind (BL), Threaded (TH), Socket Weld (SW), Lap Joint (LJ), Orifice Flanges, Spectacle Blind Flange, and Custom Forged Flanges |
|---|---|
Standards | ASME / ANSI B16.5, B16.47 (Series A & B), B16.48 API: API 6A, API 605 EN / BS / DIN: EN 1092-1, BS 4504, DIN Standards GOST 33259, GOST 12820, GOST 12821 AWWA C207-07 |
Pressure Ratings / Classes | ASME Class: 75#, 125#, 150#, 175#, 250#, 300#, 350#, 400#, 600#, 900#, 1500#, 2500# PN Rating: PN6, PN10, PN16, PN25, PN40, PN63, PN100 JIS Rating: 5K, 10K, 15K, 20K API Pressure: 2,000 to 20,000 PSI |
Material Grades | Carbon Steel: ASTM A105, A105N, A350 LF2, Q235, S235JR Stainless Steel: ASTM A182 F304/304L, F316/316L, F321, F347, Duplex 2205/2507 Alloy Steel: ASTM A182 F1, F5, F9, F11, F22, F91 |
Size Range | 1/2″ – 80″ (DN15 – DN2000) (or large-diameter forged flanges) |
Facing | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Male & Female (M&F), Tongue & Groove (T&G) |
Coating & Surface Treatment | Anti-rust Oil, Black / Yellow Lacquer Painting, Cold / Hot-Dip Galvanized |
Testing & Quality Control | 100% Ultrasonic Testing (UT), PMI Material Inspection, Pressure Testing, and EN 10204 3.1 Mill Test Certificate (MTC) |
Customization | Non-standard size, tailored dimensions, and special pressure ratings based on custom drawings (OEM/ODM). |
Get Free Samples
*We respect your confidentiality and all information are protected.
Why Choose JS FITTINGS
40+ Years of Excellence | Exported to 100+ Countries | Monthly Output 800+ tons | Factory Area: 35,000+ ㎡
Get In Touch
*As a direct manufacturer, we specialize in high-volume supply. Please provide your business details for a professional quote.
*We respect your confidentiality and all information are protected.
What Makes Us the Premier Manufacturer ?
Factory Strength
40+ years Experience
Over 35000 m² Factory Area
100+ Employees
Annual Capacity: Up to 30,000 tons
100+ Exporting Countries
Monthly Output: 800 tons pipe fittings,700 tons flanges
Certified Quality
Certifications: CE, ISO, GOST-R, PETROBRAS, NIOC, ADNOC
Standards: ASME, GOST,JIS, DIN, SABS, BS,EN, Customized
With a wide range of testing and inspection services available
Advanced Technology
JS FITTINGS owns 2 new sandblasting equipment can blast 1/2”-40” fittings. The 100-meters automatic painting lines for flanges and fittings are more efficient and environmentally friendly.
Gurantees Delivery
Annual production up to 30,000 tons & lower wholesale price.
Stable monthly output: 700 tons of flanges, 800 tons of pipe fittings. Government support: Environmental certificate
Exclusive logistics fleet and professional shipping agents.
Materials Available
Carbon steel: ASTM/ASME A234 WPB-WPC
Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
WE WORK BY HEART
Lead Manufacturing
At JS FITTINGS, our industry steel flanges are engineered to the most rigorous international standards (ASME, ANSI, DIN).
We combine advanced forging technology with precision machining to ensure every component delivers uncompromising performance in the most demanding industrial environments.
When you partner with us, you are securing more than a supplier—you are gaining a strategic partner committed to your project’s integrity and long-term success.
Get Free Samples
*We respect your confidentiality and all information are protected.
Rigorous Inspection Process
Our QC process begins from the moment raw materials arrive at our facility. Each batch is thoroughly inspected to ensure it meets our high standards. From there, each stage of the production process involves rigorous checks and inspections to catch any potential issues early.
State-of-the-Art Equipment
We utilize state-of-the-art testing equipment to measure and analyze the physical and chemical properties of our products. This includes hardness testers, spectrometers, impact testing machines, and more. These tools allow us to ensure the consistency and reliability of our products.
Packaging
Testimonials
Frank Simons
Director Manager
“I am extremely impressed with the level of professionalism and efficiency displayed by the JS FITTINGS team. Their in-depth technical knowledge and expertise have been instrumental in our projects. They provided us with accurate and comprehensive technical data, ensuring we had all the information we needed to make informed decisions. The team’s attention to detail and commitment to accuracy were also evident in their handling of exporting documents. They ensured all paperwork was correctly filled out and promptly submitted, making the entire export process seamless and stress-free. It’s truly a pleasure to work with such a capable and dedicated team. We look forward to continuing our partnership with JS FITTINGS in the future.”
Jason Swartzman
Procurement Supervisor
“I have been consistently impressed with the service provided by JS FITTINGS, particularly their efficient production and fast delivery times. Their team has demonstrated a remarkable ability to meet tight deadlines without compromising on the quality of their products. We placed a large order that we expected to take weeks to fulfill, but to our surprise, JS FITTINGS completed the production ahead of schedule. The delivery was equally impressive – it arrived earlier than anticipated, which greatly helped in keeping our project timeline on track. This level of efficiency and dedication to customer satisfaction sets JS FITTINGS apart from other suppliers. I highly recommend them to any business seeking high-quality fittings and exceptional service.”
Mr Saket.
Executive – Purchase Division
“I am thoroughly impressed with the quality of the seamless pipe fittings provided by JS FITTINGS. Each piece we’ve received has been meticulously crafted, displaying a standard of workmanship that is truly top-notch. The fittings are not only robust and durable but also exhibit excellent finish and precision, ensuring a perfect fit every time. Despite the rigorous demands of our projects, these fittings have consistently performed well, standing up to the test without any issues. It’s clear that JS FITTINGS is committed to maintaining high-quality standards in their products. Their seamless pipe fittings are, without a doubt, some of the best we’ve used in our operations.”
Certificate And Lest Report
Your Trustworthy Industrial Flange Supplier In China
JS FITTINGS supplies industrial flanges with competitive price and urgent delivery.
Since 1983, JS FITTINGS has delivered steel pipe Flange solutions with speed, affordability, and expertise. Let’s discuss your project today!
Get Free Samples
*We respect your confidentiality and all information are protected.
©Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd 2026. All rights reserved. admin@jsfittings.com +8618003119682
English
Arabic
Italian
Polish
Portuguese
Romanian
Russian
Spanish
Vietnamese