What is Large Custom Flange?

 Heavy‑duty custom‑machined flange manufactured by large‑scale vertical lathe, engineered for oversized‑diameter, heavy‑load, high‑pressure industrial piping and equipment projects.

Supply Scope

Materials: Austenitic stainless steel, duplex & super duplex steel, nickel‑base alloys, carbon steel, low‑alloy steel.

Standards: ASME B16.5, ASME B16.47, ASTM A182, ASTM A105, supporting customer‑supplied custom engineering drawings for non‑standard oversized flanges.

Size and delivery condition: Custom diameter up to DN5000, covers all pressure classes; raw forging, rough‑machined or finished machined delivery available.

Typical applications: Pressure vessels, large‑diameter pipeline projects, petrochemical plant, power generation, heavy‑duty industrial equipment, offshore engineering modules.

How to Request a Quotation

Provide material grade, applicable standard, outer & inner dimension, pressure class, quantity, drawing attachments, testing requirements and destination. Use the online inquiry form for a project-specific offer.