Domestic Melt. Domestic Production. Documented.
American PVF With the Paperwork to Prove It
Pipe, valves, and flanges sourced from domestic mills with full BAA, BABA, and AIS compliance documentation. Mill test reports traceable to domestic melt heat numbers. Compliance letters drafted to your project standard. Same supply chain that handles ASME process service and API 6A pipeline pressure, including PSL-3 and PSL-4 procurement on strict API specs. Supplying domestic-content PVF since 1986.
3
Domestic Content Standards
20K
PSI API 6BX Class
MTR
On Every Order
Same-Day
Quote Turnaround
Why Domestic Sourcing Matters Now
Federal Funding. Federal Rules. Real Documentation.
The Infrastructure Investment and Jobs Act, the CHIPS and Science Act, and the Inflation Reduction Act are channeling federal money into American infrastructure, production, and energy projects. Nearly all of it carries domestic content mandates. A flange order on a federally funded project is no longer just a part number and a pressure class. It is also a paperwork package.
BAA
Buy American Act
Direct federal procurement. Iron and steel products manufactured in the United States. Manufactured-products domestic-content threshold set at 55 percent under the 2024 FAR final rule.
BABA
Build America Buy America
Federal infrastructure funding. All iron-and-steel manufacturing steps including the initial melt must occur in the United States. 55 percent domestic-content threshold for manufactured products per the 2024 update.
AIS
American Iron and Steel
EPA State Revolving Fund and USDA Rural Development water projects. Same melt-to-final-production standard as BABA for iron and steel. Project-specific compliance letters.
Product Lines
What We Supply
Four product categories. Thousands of configurations. Every piece traceable, tested, and documented to whichever federal standard the project demands.
Flanges
Weld neck, blind, slip-on, threaded, socket weld, lap joint, reducing, orifice. Carbon, stainless, alloy. 1/2 inch through 60 inch and custom over 60. PSL-3 and PSL-4 available on API 6A procurement.
- ASME B16.5
- ASME B16.47
- API 6A PSL-3/4
- AWWA C207
View Details →
Pipe Fittings
Butt-weld, socket-weld, threaded. Elbows, tees, reducers, caps, couplings, unions, and specialty fittings for every service condition.
- ASME B16.9
- ASME B16.11
- SCH 10 to XXH
View Details →
Valves
Gate, globe, check, ball, and butterfly valves for piping system service. API 6D pipeline ratings and ASME B16.34 process service.
- API 6D
- ASME B16.34
- NACE MR0175
View Details →
Custom Machining
Non-standard bores, overbore conditions, special facings, RTJ grooves, weld overlay, hard facing. If the catalog does not have it, we machine it.
- CNC turning
- RTJ grooves
- Weld overlay
View Details →
Standards & Compliance
Built to Code. Documented to Federal Standard.
Every order ships with the documentation the project actually requires. Mill test reports, manufacturer certifications, compliance letters, and dimensional verification. No paper shuffling at the project office.
ASME B16.5
Pipe Flanges 1/2 to 24 inch
ASME B16.47
Large Diameter 26 to 60 inch
API 6A / 6BX
Pipeline 2000 to 20000 PSI, PSL-3/4
AWWA C207
Waterworks Class B/D/E/F, FF + Rubber
ANSI B16.1
Cast Iron and Plate Retrofit
DIN EN 1092-1
Metric PN 6 to PN 400
NACE MR0175
Sour Service Hardness
MSS SP-44
Pipeline Flange Service
The Difference
What Compliance-Grade Supply Looks Like
Domestic Melt Traceability
Mill test reports trace the heat number back to a domestic mill on every BABA and AIS order. Foreign-melted steel does not enter the compliance lot.
Project-Specific Letters
Compliance letters tailored to your project standard, whether BAA direct procurement, BABA infrastructure funding, or AIS water program funding.
API 6A Pipeline Inventory
Wellhead, BOP, and Christmas tree service flanges in API 6A 2000# through 6BX 20000# class with the right ring gaskets shipped together. PSL-3 and PSL-4 sourcing available for strict-spec API procurement.
ASME Process Coverage
Full ASME B16.5 and B16.47 supply for refinery, petrochemical, and power generation process piping with carbon, stainless, and chrome-moly grades.
Dimensional Verification
Bolt holes, raised faces, bore tolerances measured and documented before shipment. QC catches the dimensional issue at the dock, not at the field.
Same-Day Quote Turnaround
Tell us the spec, the quantity, the project domestic content standard, and the delivery target. The quote with lead time and compliance scope comes back the same business day.
Industries We Supply
From Wellhead to Treatment Plant
Technical Resources
Engineering Reference
Flange Dimension Reference
ASME B16.5 and B16.47 dimensional tables. OD, bolt circle, bolt count, thickness by class and size.
API 6A / 6BX Guide
Pipeline and wellhead pressure classes. 2000 pound through 20000 pound. Ring gasket matching, RTJ groove geometry, PSL-3 and PSL-4 procurement notes.
Bolt Torque Calculator
B7, B7M, B8, and B8M stud torque values by flange size, gasket type, and lubrication condition.
MTR & Compliance Letters
What goes on a mill test report. How domestic melt is documented. How BABA and AIS compliance letters are drafted.
BABA Compliance Explained
What Build America Buy America actually requires for iron and steel products. How the heat lot traceability works.
Pressure-Temperature Lookup
ASME B16.5 pressure-temperature tables for common materials. Class 150 through 2500 across A105, F304, F316, F11, F22, F91.
Common Questions
Frequently Asked
What does BAA compliance actually require for flanges?
+
The Buy American Act applies to direct federal procurement. For iron and steel products like flanges, the material must be manufactured in the United States. Compliance typically requires a manufacturer certification confirming domestic production. Under the 2024 FAR final rule, the Buy America Act domestic-content cost-share threshold is 55 percent for manufactured products, scheduled to step up further in subsequent years. BAA is the most common federal domestic content requirement and the documentation is straightforward when the supply chain is built for it.
What is the difference between BAA and BABA?
+
BAA (Buy American Act) is triggered by direct federal procurement. BABA (Build America Buy America) is triggered by federal infrastructure funding regardless of who purchases the equipment. BABA is stricter on iron and steel because it requires all manufacturing processes, including the initial melt, to occur in the United States. For manufactured products under BABA, the 2024 update sets a 55 percent domestic content threshold. A flange forged domestically from foreign-melted steel meets BAA but not BABA.
What does AIS compliance require?
+
American Iron and Steel applies to EPA State Revolving Fund water and wastewater projects and certain USDA Rural Development water projects. Every manufacturing step from melting through final production must occur in the United States. For practical purposes the AIS standard is identical to BABA for iron and steel products. The documentation package and the supply chain requirements are the same.
How do I know which standard applies to my project?
+
It depends on the funding source. Direct federal purchases fall under BAA. Federally funded infrastructure projects fall under BABA. EPA SRF and certain USDA water program projects fall under AIS. Your project owner or contracting officer can confirm which standard applies.
Do you supply API 6A flanges for pipeline service?
+
Yes. Our API 6A supply chain covers 2000 pound, 3000 pound, and 5000 pound class flanges for production and wellhead service, with 6BX availability in 10000, 15000, and 20000 pound class for high pressure applications. For strict API procurement we can source PSL-3 and PSL-4 product specification levels with the additional documentation and inspection coverage those PSLs require. Ring type joint facings with the correct ring gaskets ship together. Call (281) 484-8325 with the wellhead spec and we will confirm grade and rating.
Can a domestic flange be made from imported steel under BABA?
+
No. Under BABA and AIS the steel must be melted in the United States. A flange forged domestically from foreign-melted steel does not qualify. The mill test report must trace the heat to a domestic mill. Our compliance documentation package includes that traceability as a default for BABA and AIS orders.
What documentation do you provide for compliant orders?
+
We provide mill test reports (MTRs) with domestic melt verification, manufacturer certifications of domestic production, and project-specific compliance letters tailored to the applicable standard.
What is your typical lead time for compliant orders?
+
We pride ourselves on industry-leading turnaround. Standard stock flanges with BAA documentation move with industry-leading turnaround. BABA and AIS orders may take additional time to confirm domestic melt heat lots. Call (281) 484-8325 with the project domestic content requirement and we will quote turnaround against current inventory.
Why are domestic content requirements expanding?
+
The Infrastructure Investment and Jobs Act, the CHIPS and Science Act, and the Inflation Reduction Act are directing federal funding into American infrastructure, semiconductor production, and clean energy projects. Nearly all of that spending carries domestic sourcing mandates. The result is more flanges, valves, and fittings than ever need full BAA, BABA, or AIS documentation.
Need PVF With Compliance Documentation?
Send the part description, the project, and the domestic content standard. We will confirm inventory, lead time, and the documentation scope on the same business day.
PO Box 2889, Pearland, TX 77588 | Supplying domestic-content PVF since 1986