ISO 9001:2015 & IATF 16949 Certified
ISO 9001:2015 & IATF 16949 Certified Product Line

Forged Steel Flanges (ASME / ANSI / DIN / BS)

High-Pressure Weld Neck, Slip-On, Blind & Socket Weld Flanges

Engineered for zero-porosity high-pressure applications across oil & gas refineries, chemical process pipelines, subsea platforms, and thermal power plants. Drop-forged and ring-rolled with 100% unbroken grain flow.

Materials & Steel Alloys Focus:
SS 316LSS 304LSS 316SS 304SS 202ASTM A105 MSA350 LF2Duplex F51
Forged Steel Flanges (ASME / ANSI / DIN / BS)
Category: flanges

Engineering & Technical Specifications

Nominal Size1/2" to 48" (DN15 – DN1200)
Pressure Rating150#, 300#, 600#, 900#, 1500#, 2500#
Face FinishSerrated Spiral (125-250 AARH) / Smooth / RTJ
Heat TreatmentNormalised / Solution Annealed / Q&T
CertificationEN 10204 3.1 MTC with Heat Number Traceability

Key Quality Features & B2B Advantages

Drop forged from heat-tracked fully killed steel billets
Continuous circumferential grain flow resisting high fatigue
Precision serrated Raised Face (RF) & Ring Type Joint (RTJ) finishing
100% Hydrostatic and Ultrasonic defect testing

Manufacturing & Inspection Standards

Quality Assurance: EN 10204 Type 3.1 MTC, 100% Ultrasonic Testing (UT Level II), NACE MR0175

Request Custom Quote

Submit your CAD drawings or required alloy quantities for rapid 24-hour commercial pricing.

Tooling Lead Time:7 - 10 Days
Dispatch Inspection:EN 10204 3.1 MTC
Port of Dispatch:Mundra / Nhava Sheva
Submit CAD / RFQ Drawing
Need instant technical clarification?Speak directly with Rajkot Engineering Team

People Also Ask

Our forged flanges can handle extreme pressure environments, rated from Class 150# all the way up to Class 2,500# (PN6 to PN400) under ASME B16.5 specifications.

Yes, our primary focus is Stainless Steel. We manufacture flanges in SS 304, 304L, 316, 316L, 202, and Duplex F51, alongside standard carbon steel grades.