Forged Caps
& Plugs Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a leading manufacturer and supplier of forged caps and plugs, engineered to seal off pipe ends securely in high-pressure systems. Designed for durability and resistance to harsh conditions, our fittings are ideal for permanent or temporary closures in piping across oil & gas, petrochemical, marine, and power industries.
Forged from premium-grade stainless steels and duplex alloys, our caps and plugs comply with ASTM, ASME, MSS, and DIN standards, offering long-lasting and leak-free performance.
What are Forged Caps & Plugs?
Forged caps are fittings used to terminate the end of a pipe, preventing fluid flow. They are typically welded or threaded onto the pipe to provide a pressure-tight seal.
Forged plugs are inserted into fittings or threaded openings to seal unused pipe ends or connections. Both components play a vital role in system shutdowns, testing, and safety isolation.
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
|
Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Specifications
| Property | Specification |
|---|---|
|
Material Grades |
SS 304, SS 316, SS 321, SS 410, Duplex 2205
|
|
Size Range |
½” to 4”
|
|
Types |
Pipe Cap, Hex Head Plug, Round Head Plug
|
|
Connection Ends |
Socket Weld (SW), Threaded (NPT/BSP) |
|
Pressure Ratings |
Class 2000, 3000, 6000 |
|
Standards |
ASTM A182, ASME B16.11, MSS-SP-79/95, DIN |
Equivalent Grades
| Grade | UNS | EN / WNR |
|---|---|---|
|
SS 304 |
S30400 |
1.4301 / X5CrNi18-10 |
|
SS 316 |
S31600 |
1.4401 / X5CrNiMo17-12-2 |
|
SS 321 |
S32100 |
1.4541 / X6CrNiTi18-10 |
|
SS 410 |
S41000 |
1.4006 / X12Cr13 |
|
Duplex 2205
|
S31803 |
1.4462 / X2CrNiMoN22-5-3 |
Chemical Composition
| Element | SS 304 | SS 316 |
|---|---|---|
|
Chromium (Cr)
|
18–20% |
16–18% |
|
Nickel (Ni) |
8–10.5%
|
10–14% |
|
Molybdenum (Mo) |
– |
2–3% |
|
Carbon (C max) |
0.08% |
0.08% |
Mechanical Properties
| Property | SS 304 / SS 316 |
|---|---|
|
Tensile Strength (MPa) |
515 – 750 MPa
|
|
Yield Strength (MPa) |
205 – 310 MPa |
|
Elongation (%) |
≥ 30% |
|
Hardness (HRB) |
≤ 95 |
Types of Forged Caps & Plugs
- Forged Pipe Cap: Welded or threaded to close the pipe end permanently.
- Hex Head Plug: Threaded plug with hex head for easy installation/removal.
- Round Head Plug: Compact option for threaded sealing in tight spaces.
- Socket Weld & Threaded Ends: Available for both permanent and removable installations.
Applications of Forged Caps & Plugs
- Oil & Gas Pipelines: End capping for unused pipe branches.
- Process Plants: Testing and isolation of systems.
- Marine Industry: Temporary closures for maintenance.
- Power & Utility Systems: Equipment sealing during servicing.
- General Piping Networks: Permanent or temporary shutoff.
Benefits of Forged Caps & Plugs
- Leak-tight end sealing under high pressure
- Prevents contamination and fluid loss
- Corrosion and wear-resistant materials
- Easy to install or remove
- Available in multiple designs and sizes
Frequently Asked Questions
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