When buying flanges, one of the first decisions is choosing between domestic and import options. At Carbon Flanges, we supply both—because what matters most is giving you the right fit for your project, your timeline, and your budget.
Here’s what you need to know.
What Are Domestic Flanges?
Domestic flanges are manufactured in the United States (or a specific country of origin if required). These typically come with:
- Full mill test reports (MTRs)
- Buy America / Buy American Act compliance (if needed)
- Tight control over traceability and certification
- Shorter lead times in some cases
They’re preferred for:
- Government or infrastructure jobs
- Projects requiring full traceability
- Buyers prioritizing local sourcing
What Are Import Flanges?
Import flanges are manufactured outside the U.S., often in countries like India, China, South Korea, or Italy. Many imports meet the same industry specs—ASME, ASTM, API—but at a more competitive price point.
Import doesn’t mean lower quality—it means more options. At Carbon Flanges, we only work with vetted international mills that meet strict quality standards.
Imports are ideal for:
- Projects where cost-efficiency is key
- Large-volume jobs
- Flexible or non-restricted sourcing environments
Which Should You Choose?
| Project Type | Recommended Flange |
|---|---|
| DOT, Federal, or Military | Domestic |
| Refineries, Chemical Plants | Either (depending on specs) |
| General Construction | Import or Domestic |
| Tight Budget Jobs | Import |
| Fast Turnaround Needs | Domestic (if in stock) |
If you’re not sure which is right for your application, our team can guide you.
What We Offer at Carbon Flanges
We stock and source both domestic and import flanges across all major types:
- Weld Neck
- Blind
- Slip-On
- Lap Joint
- Threaded
- Socket Weld
With full documentation, heat numbers, and compliance info upon request.
Need Certifications? We’ve Got You Covered.
Whether you need a DFARS-compliant flange, Made in USA material, or a cost-effective import with full traceability—we can supply it.
Want a quote for both domestic and import options?
We’re happy to show the difference. Just Contact us here.