CNC Machined Round Flange | ANSI/ASME Compliant

Precision machined round flanges for piping and industrial systems

High quality circular flange with leakage resistance

Our round flanges are precision machined from high-quality materials to provide reliable high-pressure connections for critical piping systems. Designed for oil and gas, chemical processing and power generation applications, these flanges meet the most demanding international standards while offering excellent corrosion resistance and service life.

Main product features
✔ Superior material selection

Carbon steel (ASTM A105)

Stainless Steel (ASTM A182 F304/F316)

Alloy steel (ASTM A694 F42/F52), optionally galvanized

✔ Precision Manufacturing

CNC machining conforms to ANSI/ASME B16.5 tolerance

Drill to match standard or custom bolt patterns

Smooth sealing surface (RF, FF, RTJ), so that the gasket perfect contact

Overall pressure rating

Level 150 to 2500

Suitable for temperatures from -20°F to 1500°F (-29°C to 816°C)

✔ Multiple configuration options

Welded neck, slip on, blind, lap style

Custom aperture sizes, face shapes and coatings are available

Industrial application
High pressure piping system
Offshore oil platform
Chemical processing plant
Power station steam line
Water treatment facility

Competitive advantage
Full compliance: ASME B16.5, API 6A, EN 1092-1 certified

Test file: Factory test report with 3.1/3.2 certification (MTR

Global sourcing: Stock in common sizes for quick delivery to EU/USA

Welcome to figure customization, custom forgings, custom flanges, professional machining solution provider.