We Are Open 24 Hours a Day, 7 Days a Week, Including Weekends and Public Holidays.
Carbon Steel Flange
Contents
Premium Carbon Steel Flanges: ANSI/ASME Forged for High-Pressure Piping – Direct from Powerful Hebei Factory
As a US operations manager, you face high prices and low quality from unreliable suppliers. Our carbon steel flanges cut costs by 25-37% with ISO-certified quality and 2-week delivery.
Struggling with Unreliable Carbon Steel Flange Suppliers?
In the competitive US industrial market, sourcing carbon steel flanges shouldn't mean compromising on quality or timelines.
- High Prices: Overpaying 30-50% due to middlemen and import markups from competitors.
- Low Quality: Frequent failures from subpar forging, leading to leaks and downtime (up to 15% annual losses per ASME reports).
- Delivery Delays: 6-8 week waits disrupting your production schedules.
- Inconsistent Standards: Non-compliant ANSI/ASME flanges causing regulatory headaches in USA projects.
- Poor Customization: Limited OEM/ODM options for your specific piping needs.
- Weak After-Sales: No support for defects, inflating total costs.
Ready to eliminate these pains? Discover our solution below.
High-Quality Carbon Steel Flanges from Hebei Longxuan: Your Reliable China Partner
Hebei Longxuan Environmental Protection Equipment Co., Ltd., with our powerful factory in Hebei, China, delivers carbon steel flanges that outperform competitors in price, service, quality, and supply chain speed.
Core Advantages
- Powerful Factory Capacity: 50,000+ units/month, ensuring high-speed delivery in 2 weeks to USA ports.
- Quality Assurance: 100% UT/RT tested per ASTM A105, zero defects guarantee.
- OEM/ODM Design: Custom flanges for oil & gas, power plants, water treatment.
- Cost Savings: Direct factory pricing – 25-37% lower than US wholesalers.
- Global Compliance: ANSI B16.5, ASME B16.47 certified for USA markets.
- Fast Logistics: FOB/CIF to major US ports like Houston, LA.
Technical Specifications Table
| Parameter | Specification |
|---|---|
| Material | ASTM A105, A350 LF2, A694 F42-F70 (Carbon Steel) |
| Types | Weld Neck, Slip-On, Blind, Socket Weld, Threaded |
| Size Range | 1/2" to 48" (DN15-DN1200) |
| Pressure Class | Class 150-2500 (PN10-PN420) |
| Standards | ANSI B16.5, ASME B16.47, API 6A, DIN, JIS |
| Testing | 100% PMI, UT, RT, Hydro Test |
Real-World Applications & Case Studies
- Oil & Gas Pipelines: Supplied 10,000+ flanges to Texas refinery – 37% cost reduction, zero leaks in 2 years.
- Power Plants: Custom weld neck flanges for Florida utilities, delivered in 10 days.
- Water Treatment: Blind flanges for California plants, compliant with US EPA standards.
Trusted by Leading US Manufacturers
"Switched to Longxuan carbon steel flanges – saved 32% on costs and no failures in high-pressure lines." – Operations Manager, Texas Oil Co. (Reduced downtime by 40%)
Our Compliance Certificates
- ISO 9001, CE, RoHS
- ASME, API
FAQ: Wholesale Carbon Steel Flange Procurement for USA Buyers
What types of carbon steel flanges do you offer?
Weld neck, slip-on, blind, and more in ANSI/ASME standards. Full customization available.
How long for delivery to USA?
2 weeks production + 3-4 weeks sea freight to major ports. Expedited air options.
What payment methods are accepted?
T/T 30% deposit, L/C at sight, PayPal for samples. Compliant with US import rules.
Can you provide OEM/ODM for carbon steel flanges?
Yes, with in-house design team for your specs.
What is your quality guarantee?
100% inspection + 12-month warranty. Free replacement for defects.
Minimum order quantity for wholesale?
50 pcs per size; free samples for qualified buyers.
Logistics and customs support?
Full door-to-door service, including US customs clearance docs.
Upgrade Your Supply Chain Now – Limited Stock for Q1 2026!
Get free samples, 24h quotes, and money-back guarantee. Beat high prices and low quality forever.
Address: 20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China | Privacy Policy
Real Reviews from US Customers
Mike R., Supply Chain Manager, Houston TX
"Best carbon steel flange manufacturer from China. Quality beats US suppliers, delivered fast. 5 stars!"
Sarah L., Operations Director, LA CA
"OEM flanges perfect for our pipelines. Saved 30% vs competitors. Highly recommend for USA buyers."
Tom K., Technical Director, Florida
"Top-notch ANSI carbon steel flanges. Full compliance, excellent service. Will reorder."
David P., Purchasing Manager, NY
"Wholesale pricing unbeatable. No quality issues in high-pressure apps."
About the Author
Li Wei, Senior Forging Engineer & Export Director
With 25+ years in carbon steel forging at Hebei Longxuan, I've overseen 1M+ flanges exported to USA. ASME-certified expert in ANSI carbon steel flanges.
LinkedIn: Li Wei Longxuan
Customized According To Demand FAQ
-
What types of customization are available?
Customization can include size, material, structure, surface treatment, color, performance parameters, and packaging based on customer requirements.
-
What information is needed to start a customized order?
Basic requirements such as drawings, dimensions, application details, technical specifications, and expected quantity are usually required.
-
Is there a minimum order quantity for customized products?
Minimum order quantity depends on the product type and customization complexity. Please contact us for specific MOQ details.
-
How long does the customization process take?
Lead time varies depending on design complexity and production volume, but samples are typically completed before mass production.
Apr 16,2026
Professional Guide to Effective Cooling Tower Treatment Strategies
Maintaining industrial cooling systems is critical for operational efficiency and equipment longevity. A professional cooling tower treatment strategy is not just about cleaning; it is about preventing scale buildup, corrosion, and the growth of harmful microorganisms. Without proper management, these systems can suffer from reduced heat transfer efficiency, leading to higher energy costs and potential system failures. In this guide, we will explore the essential components of water treatment, the chemistry involved, and how to optimize your cooling tower for maximum performance and sustainability.
Address
20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China
