Stainless Steel Flanges & Stubends
Suraj Limited is a globally recognized manufacturer and exporter of stainless steel forged flanges and Stubends, serving industries that demand precision, strength, and reliability.
Based in Chandarda, Gujarat (India), our fully integrated manufacturing facility combines forging, machining, testing, and inspection under one roof — ensuring consistent quality and efficiency from start to finish.
With decades of expertise and a global presence across 70+ countries, Suraj Limited stands among the most trusted names in the Steel manufacturing industry.
Manufacturing Excellence
At Suraj Limited, we combine advanced technology with skilled craftsmanship to deliver world-class forged components. Our facility houses state-of-the-art forging hammers, CNC machining centers, and automated inspection systems, ensuring every product meets international standards for performance and durability.
We specialize in producing stainless steel flanges and Stubends in compliance with:
- ASME B16.5, EN1092-1, DIN, JIS, ASME B16.9, MSS SP43 and other global standards
- Customized project-specific requirements for oil & gas, petrochemical, chemical, and power sectors
Each flange is designed for dimensional precision, mechanical integrity, and long-term corrosion resistance.
Quality You Can Trust
Quality is at the heart of every Suraj product. Our manufacturing is governed by stringent ISO-certified and PED-approved quality systems, supported by highly trained engineers, metallurgists, and inspectors.
We provide
- EN 10204 Type 3.1 Certification
- EN 10204 Type 3.2 Certification (on request)
- Third-Party Inspections (TPI)
Every item undergoes rigorous testing and documentation before dispatch — ensuring it meets or exceeds client specifications.
Why Choose Suraj Limited
- High-quality stainless steel sourced from trusted suppliers
- Superior corrosion resistance and mechanical performance
- In-house testing and inspection facilities
- Timely delivery with efficient logistics and secure packaging
- Competitive pricing and customer-focused service
- Global export expertise and compliance documentation
Global Presence
Suraj Limited proudly serves clients across Asia, Europe, the Middle East, and North America, delivering products that meet the toughest international standards. Our export-ready documentation and quality assurance systems make us a preferred supplier for global EPC contractors and industrial operators.
Flanges Product Range
| Size Range | ½” NPS to 40” NPS (15 NB to 1000 NB) |
|---|---|
| Class |
ASME : 150#, 300#, 400#, 600#, 900#, 1500#, 2500# EN1092-1 : PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100 |
| Grades |
ASTM/ASME (A/SA182) : F304, F304L, F304H, F304N, F304LN, F316, F316L, F316H, F316Ti, F316N, F316LN, F310, F317, F317L, F321, F321H, F347, F347H, F904L, F51, F53, F55, F60, F68 EN10222-5 : 1.4301, 1.4307, 1.4401, 1.4404, 1.4541, 1.4571, 1.4401, 1.4432, 1.4429, 1.4436, 1.4435, 1.4910, 1.4439, 1.4539, 1.4547, 1.4529, 1.4650, 1.4449, 1.4306, 1.4311, 1.4550, 1.4948, 1.4941, 1.4912, 1.4406 |
| Type |
ASME : Slip On (SO), Weld Neck (WN), Socket Weld (SW), Blind (BL), Threaded (THRD), Lap Joint, Orifice Flanges, Reducing Flanges, Spectacle Blind EN1092-1 : Type 01 (Plate), Type 02 (Loose), Type 04 (Loose Plate), Type 05 (Blind), Type 11 (Weldneck), Type 12 (Slip On), Type 13 (Threaded), Type 32 (Plate Collar) |
| Face | Type A - Flat Face (FF), Type B - Raised Face (RF), Type C - Tongue, Type D – Groove, Ring Type Joint (RTJ) |
Stubends Product Range
| Size Range | 1/2″ to 8″ |
|---|---|
| Wall Thickness | Sch 10s, 40s, STD |
| Type | Lap-Joint Stubends Type-A - Short Pattern/Long Pattern |
| Dimension | ASME B16.9, MSS SP43 |
| Grades | WP - 304, 304L, 304H, 304N, 304LN, 316, 316L, 316H, 316Ti, 316N, 316LN, 310, 317, 317L, 321, 321H, 347, 347H, 904L, 51, 53, 55, 60, 68 |