
MS, SS Flanges & Pipe Butt Weld Fittings
Premium Industrial Piping Components for Reliable Fluid Handling Systems
SJR TECH Industries offers a complete range of Mild Steel (MS), Carbon Steel (CS), Stainless Steel (SS) Flanges, Pipe Butt Weld Fittings, Forged Pipe Fittings, and Industrial Piping Components engineered to provide safe, leak-proof, and durable piping connections for demanding industrial applications. Manufactured in accordance with international standards, our products deliver superior mechanical strength, corrosion resistance, dimensional accuracy, and long service life.
We supply standard and custom-engineered piping components suitable for high-pressure, high-temperature, corrosive, and critical process applications across a wide range of industries.
Our Product Range
Industrial Flanges
- Weld Neck Flanges (WN)
- Slip-On Flanges (SO)
- Blind Flanges (BLRF)
- Socket Weld Flanges (SW)
- Threaded Flanges
- Lap Joint Flanges
- Long Weld Neck Flanges
- Spectacle Blind Flanges
- Orifice Flanges
- Ring Type Joint (RTJ) Flanges
- Plate Flanges
- Custom Machined Flanges
Pipe Butt Weld Fittings
- 90° Long Radius Elbows
- 90° Short Radius Elbows
- 45° Elbows
- 180° Return Bends
- Equal Tees
- Reducing Tees
- Concentric Reducers
- Eccentric Reducers
- Pipe Caps
- Stub Ends
- Crosses
- Pipe Bends
Forged Pipe Fittings
- Threaded Elbows
- Threaded Tees
- Threaded Couplings
- Hex Nipples
- Bushes
- Plugs
- Unions
- Socket Weld Elbows
- Socket Weld Tees
- Socket Weld Couplings
- Reducers
- Adaptors
Other Piping Components
- Pipe Nipples
- Barrel Nipples
- Hose Nipples
- Couplings
- Ferrules
- Olets (Weldolet, Sockolet, Threadolet, Elbolet)
- Spacer Rings
- Backing Rings
- Pipe Clamps
- Gaskets
- Stud Bolts & Fasteners
Product Features
- Precision machined dimensions
- High mechanical strength
- Excellent corrosion resistance
- Leak-proof piping connections
- Superior weldability
- Smooth internal flow path
- High pressure capability
- Excellent temperature resistance
- Long service life
- Easy installation and maintenance
- Suitable for critical process applications
- Manufactured to international standards
Technical Specifications
| Parameter | Specification |
| Material | Carbon Steel, Mild Steel, SS304, SS304L, SS316, SS316L, Duplex, Super Duplex, Alloy Steel |
| Size Range | ½” (DN15) to 120″ (DN3000) |
| Pressure Ratings | Class 150, 300, 600, 900, 1500, 2500 |
| Schedule | SCH 10, 20, 40, 60, 80, 120, 160, XXS |
| Standards | ASME B16.5, ASME B16.47, ASME B16.9, ASME B16.11, MSS SP-75, DIN, EN, JIS, BS, ISO |
| Connection Types | Butt Weld, Socket Weld, Threaded, Flanged |
| Surface Finish | RF, FF, RTJ, Serrated Finish, Machined Finish |
| Operating Temperature | -196°C to +650°C (material dependent) |
| Manufacturing Process | Forging, CNC Machining, Hot Forming, Cold Forming, Seamless & Welded Construction |
Materials Available
Carbon & Alloy Steel
- ASTM A105
- ASTM A350 LF2
- ASTM A694 F52/F60/F65/F70
- ASTM A234 WPB
- ASTM A420 WPL6
- ASTM A182 F11
- ASTM A182 F22
- ASTM A182 F91
Stainless Steel
- ASTM A182 F304
- ASTM A182 F304L
- ASTM A182 F316
- ASTM A182 F316L
- ASTM A403 WP304
- ASTM A403 WP316
- ASTM A403 WP316L
- ASTM A403 WP321
- ASTM A403 WP347
Duplex & Special Alloys
- Duplex Stainless Steel 2205
- Super Duplex 2507
- Monel
- Inconel
- Hastelloy
- Titanium
- Alloy 20
- Nickel Alloys
International Standards
- ASME B16.5
- ASME B16.47 Series A & B
- ASME B16.9
- ASME B16.11
- ASTM Standards
- ANSI
- DIN
- EN
- ISO
- JIS
- MSS SP Series
- API Specifications (where applicable)
Applications
Our flanges and pipe fittings are extensively used in:
- Oil & Gas Industry
- Refineries
- Petrochemical Plants
- Chemical Processing
- Fertilizer Plants
- Power Generation
- Steel & Metal Industries
- Cement Plants
- Pharmaceutical Manufacturing
- Food & Beverage Processing
- Water Treatment Plants
- Desalination Plants
- Marine & Offshore
- HVAC Systems
- Fire Fighting Systems
- Pulp & Paper Industry
- Sugar Mills
- Textile Industry
- Shipbuilding
- Industrial Process Piping
Advantages
- Leak-proof piping connections
- Excellent corrosion and oxidation resistance
- High-pressure and high-temperature performance
- Precision dimensional accuracy
- Easy fabrication and welding
- Reduced maintenance costs
- Long service life
- Compatibility with international piping systems
- Reliable performance in demanding environments
- Available in standard and custom configurations
Quality Assurance
Every product undergoes comprehensive inspection and testing, including:
- Raw Material Verification
- Positive Material Identification (PMI)
- Dimensional Inspection
- Hydrostatic Testing (where applicable)
- Visual Inspection
- Ultrasonic Testing (UT)
- Radiographic Testing (RT)
- Dye Penetrant Testing (PT)
- Magnetic Particle Testing (MT)
- Hardness Testing
- Surface Finish Inspection
- Third-Party Inspection (on request)
Leading Brands We Supply
SJR TECH Industries supplies original products and approved alternatives from globally recognized manufacturers and stockists, including:
Flanges & Butt Weld Fittings
- Metalfar Prodotti Industriali
- Viraj Profiles Ltd.
- Ratnamani Metals & Tubes Ltd.
- Maharashtra Seamless Limited (MSL)
- Jindal Stainless
- Sandvik Materials Technology
- Outokumpu
- Butting
- Erne Fittings
- Tecnoforge
Forged Fittings & Piping Components
- Bonney Forge
- ULMA Forged Solutions
- Parker Hannifin
- Swagelok
- FITOK
- Hy-Lok
- DK-Lok
- SSP Fittings
- AS-Schneider
- Hoke