Located in the industrial hub of GIDC Makarpura, Apollo Steel Industries specializes in the manufacturing of high-precision Refractory Anchors, Wedge Anchors, and Hex Bolts.
Beyond manufacturing, we serve as a comprehensive partner for your piping needs, stocking a vast inventory of Stainless Steel, Duplex, Inconel, and Monel Pipes, Valves, and Fittings. Whether you need custom fabrication or bulk supply, we deliver certified quality.
Apollo Steel Industries is a trusted stockist and supplier of Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Spectacle Blind and Orifice Flanges in Stainless Steel, Duplex, Super Duplex and High-Nickel Alloys. We maintain a vast inventory to support bulk project supply and urgent breakdown requirements alike, with every consignment backed by complete mill test certificates and dimensional traceability.
Long tapered hub flanges butt-welded to the pipe for smooth stress transfer and minimal turbulence, the preferred choice for high-pressure, high-temperature and critical process piping subject to cyclic loading.
Flanges that slide over the pipe end and are fillet-welded top and bottom, offering easier alignment and lower installation cost for low-to-moderate pressure piping and general service applications.
Solid disc flanges used to seal off the end of a piping system, valve or pressure vessel opening, allowing future line extension or providing a testable, removable closure point.
Flanges with a recessed socket into which the pipe is inserted and single fillet welded, giving a smooth bore for improved flow characteristics in small-bore, high-pressure piping systems.
Flanges bored and tapped to mate with pipe threads, allowing installation without welding – well suited to low-pressure service and locations where hot work is restricted or hazardous.
Used with a stub-end, this free-rotating flange allows precise bolt-hole alignment and permits use of a lower-cost flange material where only the wetted stub-end needs to match the process alloy.
A figure-8 shaped fitting with a solid blank on one side and open ring on the other, providing a positive, visually verifiable line isolation for maintenance, turnaround and safety shutdown procedures.
Weld neck flange pairs machined with radial and tapped jack-screw holes to mount an orifice plate, enabling accurate differential-pressure flow measurement without interrupting the piping run.
Common grades supplied against ASTM / ASME standards for our flange range.
| Grade | Material | Standard | Typical Application |
|---|---|---|---|
| SS 304 / 304L | Austenitic Stainless Steel | ASTM A182 Gr. F304/304L | General Process & Corrosion Resistant Service |
| SS 316 / 316L | Austenitic Stainless Steel + Mo | ASTM A182 Gr. F316/316L | Chemical, Marine & Pharma Applications |
| Carbon Steel | Carbon Steel | ASTM A105, A350 Gr. LF2 | General Fluid Transport, Structural Piping |
| Alloy Steel | Chrome-Moly Alloy Steel | ASTM A182 Gr. F11/F22/F91 | High Temperature, High Pressure Service |
| Duplex 2205 | Duplex Stainless Steel | ASTM A182 Gr. F51/S32205 | Offshore & High Chloride Environments |
| Super Duplex 2507 | Super Duplex Stainless Steel | ASTM A182 Gr. F53/S32750 | Subsea, High Chloride & High Strength Service |
| Inconel 625 / 825 | Nickel-Chromium Alloy | ASTM B564 / B564 | Severe Corrosion & High Temperature Service |
Our flanges are stocked and supplied across heavy engineering and critical process industries.
Every batch is supplied with complete material test certificates and dimensional traceability.
Specialized stocking in Duplex, Super Duplex, Inconel, Monel and Titanium flange grades.
Extensive stockyard across sizes and schedules ensures material is ready to move on confirmation.
Large stock inventory ensures fast turnaround on bulk and repeat project orders.