Shrikant Steel Centre is a recognized IBR Approved Flanges Supplier in Dubai. We deliver high-integrity forged flanges certified under the Dubain Boiler Regulations (1950). Engineered to withstand high-pressure steam, thermal stress, and extreme fluid velocities, our IBR approved flanges are fully compliant with Form III-C certifications and are widely installed in power generation boilers, steam pipelines, thermal energy units, and heavy industrial processing facilities across Dubai.
As a trusted IBR Approved Flanges Supplier in Dubai, Shrikant Steel Centre offers flanges for steam pipeline applications with relevant documentation and quality verification, where applicable. Product availability, material specifications, inspection requirements, and certification depend on the supplied product and applicable regulations. Confirm IBR approval and inspection documentation for the specific flanges before ordering.
Our comprehensive product lineup features Slip On Flanges, Raised Face Flanges, RTJ (Ring Type Joint) Flanges, Weld Neck Flanges, and Socket Weld Flanges produced in High-Temperature Carbon Steel, Alloy Steel, and Stainless Steel material grades.
| Product Name | IBR Approved Flanges |
|---|---|
| Available Types | Slip On, Raised Face (RF), RTJ (Ring Type Joint), Weld Neck, Socket Weld, Blind, and Threaded Flanges |
| Governing Standards | ASME / ANSI B16.5, ASME B16.47, EN 1092-1, DIN, BS 10 (Table D, E, F, H, K) |
| Pressure Rating | Class 150 LBS to 2500 LBS / BS 10 Tables / PN10 to PN400 |
| Nominal Size Range | 1/2" NB to 48" NB (15 NB to 1200 NB) |
| Mandatory Certificates | IBR Form III-C Inspection Certificate, EN 10204 3.1 MTC, Hydro-test & PMI Reports |
| IBR Approved Material Grades | |
| Carbon Steel (IBR) | ASTM A105, ASTM A350 LF2, ASTM A516 Gr. 60/70 (Boiler Quality) |
| Alloy Steel (IBR) | ASTM A182 F1, F5, F9, F11 Class 1/2, F12, F22 Class 1/3, F91 |
| Stainless Steel (IBR) | ASTM A182 F304, F304L, F316, F316L, F321, F347 |
Under Dubai boiler regulations, raw materials used for producing steam line flanges must meet specified metallurgical composition requirements to ensure resistance to thermal creep, oxidation, and structural distortion under continuous boiler operating pressures.
| IBR Approved Flanges Chemical Composition (%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Grade | C | Mn | P | S | Si | Cr | Ni | Mo |
| ASTM A105 (CS) | 0.35 max | 0.60-1.05 | 0.035 max | 0.040 max | 0.10-0.35 | 0.30 max | 0.40 max | 0.12 max |
| A182 F11 (AS) | 0.05-0.15 | 0.30-0.60 | 0.030 max | 0.030 max | 0.50-1.00 | 1.00-1.50 | - | 0.44-0.65 |
| A182 F22 (AS) | 0.05-0.15 | 0.30-0.60 | 0.030 max | 0.030 max | 0.50 max | 2.00-2.50 | - | 0.87-1.13 |
| F304 (SS) | 0.08 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 18.00-20.00 | 8.00-11.00 | - |
| F316 (SS) | 0.08 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 |
All IBR certified steam flanges undergo mandatory mechanical testing under the witness of IBR inspectors to confirm tensile limits, yield threshold, impact strength, and hardness limits required for high-temperature steam services:
| IBR Approved Flanges Mechanical Properties | |||||
|---|---|---|---|---|---|
| Grade | UNS / Spec | Tensile Strength (MPa), min | Yield Strength (MPa), min | Elongation (%), min | Hardness (HB), max |
| ASTM A105 | K03504 | 485 | 250 | 22 | 187 HB max |
| A182 F11 Cl. 2 | K11572 | 485 | 275 | 20 | 179 HB max |
| A182 F22 Cl. 3 | K21590 | 515 | 310 | 20 | 179 HB max |
| F304 | S30400 | 515 | 205 | 30 | 187 HB max |
| F316 | S31600 | 515 | 205 | 30 | 187 HB max |
IBR approved steam flanges strictly adhere to standard dimensions prescribed in ASME B16.5 and BS 10. The table below provides standard dimensions for Class 300 Raised Face (RF) IBR steam line flanges:
| ASME B16.5 Class 300 IBR Approved Flange Dimensions | |||||
|---|---|---|---|---|---|
| NPS | DN | Flange Outside Diameter (mm) | Flange Thickness (mm) | Bolt Circle Diameter (mm) | Number of Bolts |
| 1/2" | 15 | 95.2 | 14.2 | 66.5 | 4 |
| 3/4" | 20 | 117.3 | 15.7 | 82.5 | 4 |
| 1" | 25 | 123.8 | 17.5 | 88.9 | 4 |
| 1 1/2" | 40 | 155.4 | 20.6 | 114.3 | 4 |
| 2" | 50 | 165.1 | 22.4 | 127.0 | 8 |
| 3" | 80 | 209.5 | 28.4 | 168.1 | 8 |
| 4" | 100 | 254.0 | 31.8 | 200.2 | 8 |
| 6" | 150 | 317.5 | 36.6 | 269.7 | 12 |
| 8" | 200 | 381.0 | 41.1 | 330.2 | 12 |
| 10" | 250 | 444.5 | 47.8 | 387.4 | 16 |
Leading IBR Approved Flanges Supplier in Dubai, supplying certified boiler-quality flanges for high-pressure applications.
Shrikant Steel Centre supplies certified IBR approved flanges directly to major industrial power plants, sugar mills, paper factories, and boiler installation sites across Dubai.
| City We Supply | |||||
|---|---|---|---|---|---|
| Bengaluru | Mumbai | Chennai | Hyderabad | Kolkata | Pune |
| New Delhi | Ahmedabad | Jaipur | Surat | Salem | Gandhinagar |
| Bhiwandi | Tiruppur | Sivakasi | Jamnagar | Thiruvananthapuram | Rajahmundry |
| Bhubaneswar | Vijaywada | Firozabad | Pithampur | Rajkot | Bharuch |
| Panna | Raipur | Cochin | Ludhiana | Panipat | Durgapur |
| Peenya | Hosdurg | Channapatna | Kharagpur | Nashik | Bareilly |
We supply and export boiler quality flanges engineered to IBR and international steam line standards across key global energy hubs. Contact us for custom quotes and project-based dispatches.
| Countries We Supply | ||||
|---|---|---|---|---|
| Saudi Arabia | Oman | Kuwait | Netherlands | Iran |
| Bahrain | Qatar | UAE | Africa | China |
| Nigeria | Mexico | Canada | Venezuela | United Kingdom |
| United States | South Africa | Malaysia | Bangladesh | Turkey |
| Singapore | Sri Lanka | Australia | Brazil | Germany |
| France | Italy | South Korea | Poland | Belgium |
