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Struggling with SS pipe flange failures causing leaks and downtime? Hebei Longxuan delivers ASME-compliant plate flange and SS pipe flanges engineered for USA industrial piping—reducing costs by up to 30% via OEM/ODM customization and high-speed delivery.
As a purchasing manager in the USA, you face high-stakes decisions on SS pipe flanges. Poor quality leads to immediate risks.
Ready to solve these? Discover our solution below.
Our powerful factory in Hebei, China, produces SS pipe flanges and plate flanges with unmatched quality assurance, OEM/ODM design, and high-speed delivery to USA ports in 2-4 weeks.
| Parameter | SS Pipe Flange | Plate Flange |
|---|---|---|
| Material | SS304, 316L | SS304, 316L |
| Sizes | 1/2" - 24" | 1/2" - 24" |
| Pressure Class | 150-2500 | 150-600 |
| Standards | ASME B16.5, ANSI | ASME B16.5, Flat |
| Corrosion Resistance | >20 years | >20 years |
Ideal for chemical processing, oil & gas, water treatment—e.g., our SS 304 pipe flange reduced leaks by 37% in a Texas refinery case study.
Contact us for a custom demo.
Join Fortune 500 clients relying on our ss pipe flange suppliers USA excellence.
"Hebei Longxuan's plate flange cut our procurement costs by 28% with zero failures." — Operations Manager, Texas Petrochem
See why they choose us—request your brochure.
From 1/2" to 24" NPS, Class 150-2500, fully customizable.
Premium SS316L with passivation treatment exceeds ASTM standards for harsh environments.
Samples in 7 days; bulk in 2-4 weeks to USA ports.
Yes, full design support with CAD integration.
T/T, L/C, PayPal; compliant with USA import rules.

24/7 support, 1-year warranty, free replacements.
Fully compliant with B16.5 for USA applications.
"Best ss pipe flange supplier—quality beat expectations, delivery was lightning fast!" — Mike R., Supply Chain Manager, California (client/1.png)
"Custom plate flanges saved us 35% vs. local prices. Highly recommend." — Sarah L., Technical Director, Texas (client/2.png)
"OEM design was perfect for our piping. 5 stars!" — John D., Ops Manager, New York (client/3.png)
"From quote to delivery, seamless. Top stainless steel flange suppliers." — Emily K., Florida (client/4.png)
Limited-time: Free samples + 5% off first order. Money-back guarantee.
Tel: +86 18631823130 / +86 17631849152
Email: longxuanfrp@gmail.com
Address: 20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China
WhatsApp: +86 18631823130 | Contact Form: https://www.hlfrp.com/contactus.html
David Chen, Senior Piping Systems Engineer at Hebei Longxuan Environmental Protection Equipment Co., Ltd. With 25+ years in stainless steel fabrication and FRP integrations, David has optimized piping for 100+ USA projects. (author/1.png)
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Customization can include size, material, structure, surface treatment, color, performance parameters, and packaging based on customer requirements.
Basic requirements such as drawings, dimensions, application details, technical specifications, and expected quantity are usually required.
Minimum order quantity depends on the product type and customization complexity. Please contact us for specific MOQ details.
Lead time varies depending on design complexity and production volume, but samples are typically completed before mass production.





Address
20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China