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As a U.S. operations manager, you face high costs and unreliable stainless steel pipe with flanges from fragmented suppliers. Hebei Longxuan delivers corrosion-resistant, ASME-compliant piping with fast delivery—cutting your downtime by 40%.
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You demand reliable stainless steel pipe with flanges for chemical plants or oil rigs, but suppliers fall short.
Tired of these? Discover how our factory-direct model fixes it.
Learn Our Advantages →Hebei Longxuan Environmental Protection Equipment Co., Ltd., China's premier industrial piping factory, offers stainless steel pipe with flanges built for USA demands. Our 20+ years in pipelines ensure OEM/ODM perfection.
| Parameter | Details |
|---|---|
| Material Grades | 304, 304L, 316, 316L, 321 |
| Pipe Size (NPS) | 1/2" to 24" |
| Schedule | 10S, 40S, 80S, 160 |
| Flange Types | Weld Neck, Slip-On, Blind, Socket Weld |
| Pressure Rating | Up to 2500 PSI (Class 2500) |
| Standards | ASTM A312, ASME B16.5, ANSI B16.9 |
From 1/2" to 24" NPS, Schedule 40/80, with weld neck or slip-on flanges. Custom cuts available.
7-14 days via sea/air from our Hebei factory. DDP terms optional for seamless import.
TT (30% advance), LC, PayPal. Compliant with U.S. trade regs—no hidden fees.
Yes, full OEM/ODM: special grades like 316Ti, custom flanges per your drawings.
MOQ 10 meters. 12-month warranty, free replacement, lifetime tech support.

Fully: ASME B16.5, ASTM A312. Certificates and third-party inspections provided.
Passivated 304/316 grades withstand pH 2-12, saltwater—proven in 10+ year field tests.
Limited Stock: 20% Off First Order + Free Samples (While Supplies Last)
Risk-Free: 100% Money-Back Guarantee.
Privacy Policy: Your data is secure. View Here | Address: 20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei, China
"Outstanding quality on 316 stainless steel pipe with flanges—arrived in 10 days, half the price of U.S. suppliers."
— Sarah L., Supply Chain Mgr, CA Chemical Firm ★★★★★
"Custom weld neck flanges passed our pressure tests flawlessly. Exceptional service!"
— Tom K., Tech Director, TX Oil Co ★★★★★
"Solved our corrosion issues in water treatment. Fast OEM design turnaround."
— Elena M., Ops Mgr, FL Plant ★★★★★
"Top-tier stainless steel flanged pipes at unbeatable value. Highly recommend for USA imports."
— Raj P., Purchasing Dir, NY Pharma ★★★★★
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.





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