Shanxi Baolongda Forging
Forged weld neck flange supplier

Weld Neck Flanges

Shanxi Baolongda manufactures forged weld neck flanges for pressure piping, refinery, petrochemical, skid, vessel and industrial project packages.

Target buyer terms: weld neck flange manufacturer China, WN flange supplier, ASME B16.5 weld neck flange, ASTM A105 weld neck flange.

Contact

Email: fft@bldflanges.com

Phone / WhatsApp: +86 180 9217 8292

Send drawing, standard, material grade, pressure class, face type and quantity for review.

Manufacturing Scope

Weld neck flanges are a core forged flange item for buyers who need a stronger welded connection and clearer pressure-piping documentation.

Standards

  • ASME B16.5
  • ASME B16.47 by project review
  • EN / GOST / drawing-based requests

Materials

  • ASTM A105
  • A350 LF2
  • A182 F304/L, F316/L, F51, F53

Inspection

  • EN 10204 3.1 MTC
  • PMI, UT, MT/PT
  • Third-party inspection support
RFQ dataNPS, pressure class, facing, bore, schedule, material grade, quantity and marking requirements.
Best-fit marketsOil and gas, petrochemical, chemical, power, marine, pressure equipment and industrial maintenance.
Related pagesLong weld neck flange, blind flange, anchor flange.

Weld Neck Flange FAQ

Practical buyer questions before sending a weld neck flange RFQ.

What data is needed for a weld neck flange quote?

Send NPS or DN, pressure class or PN, facing, bore or pipe schedule, material grade, quantity, standard and inspection requirements.

Can Baolongda review non-standard weld neck flanges?

Yes. If the item is outside a standard table, attach the drawing so forging size, machining allowance, bore and face details can be checked before pricing.

Which documents should be requested?

Common requests include EN 10204 3.1 MTC, heat treatment records, dimensional inspection, marking check, PMI, UT, MT/PT and third-party inspection when required.

Request Weld Neck Flange Pricing

Email: fft@bldflanges.com | Phone / WhatsApp: +86 180 9217 8292