Ring Joint Gasket
(RTJ) Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a leading manufacturer of Ring Joint Gaskets (RTJ)—specialized metallic gaskets designed for high-pressure and high-temperature sealing, especially in critical industries like oil & gas, petrochemical, refinery, and offshore drilling. RTJ gaskets ensure a metal-to-metal seal between precisely machined flanges, offering unmatched sealing integrity where elastomeric or composite gaskets would fail.
Made from stainless steel and high-performance alloys, our RTJ gaskets conform to API 6A, ASME B16.20, and DIN standards, and are available in multiple profiles including R, RX, and BX types for different pressure classes and flange types.
Why Choose RTJ Gaskets?
- Withstands extreme pressure up to 20,000 PSI
- Ideal for corrosive media, superheated steam, and hydrocarbon processing
- Available in octagonal, oval, RX, and BX cross-sections
- Machined to precise tolerances and finish for secure sealing
- Compatible with API and ANSI flanges (RTJ groove flanges)
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
|
Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Specification Chart
| Property | Specification |
|---|---|
|
Size Range |
½” to 36” (larger on request) |
|
Pressure Rating |
Up to 20,000 PSI (API 6A BX) |
|
Profile Types |
R (Oval/Octagonal), RX, BX |
|
Standards |
ASME B16.20, API 6A, ASME B16.5, BS 1560 |
|
Surface Finish |
Ra ≤ 1.6 µm (as per spec) |
|
Material Options |
SS 304/316, Inconel 625, Monel, Soft Iron, F5 |
Chemical Composition (Typical Materials)
| Material | Cr (%) | Ni (%) | Mo (%) | Fe (%) | Other Elements |
|---|---|---|---|---|---|
|
SS 316
|
16–18 |
10–14 |
– |
Balance |
Mn, Si, C |
|
Inconel 625 |
20–23 |
≥58 |
8–10 |
≤5 |
Nb, Co |
|
Monel 400 |
≤2.5 |
≤1.5 |
— |
Balance |
Cu (≥63%), Fe, C |
|
Low Carbon Steel |
— |
— |
– |
Balance |
C ≤ 0.30%, Mn, S |
Mechanical Properties
| Property | SS 316 | Inconel 625 | Monel 400 | Carbon Steel |
|---|---|---|---|---|
|
Tensile Strength |
515–750 |
≥ 827 |
480–620 |
340–550 |
|
Yield Strength |
205 min |
≥ 414 |
170–345 |
170–350 |
|
Elongation |
≥ 40% |
≥ 30% |
≥ 35% |
≥ 30% |
|
Hardness (HRB) |
≤ 95 |
≤ 100 |
≤ 90 |
≤ 95 |
RTJ Types We Offer
- Type R – Oval: Traditional form, provides a reliable seal with minimal surface damage.
- Type R – Octagonal: More robust sealing; better suited for higher pressure.
- Type RX: Pressure-energized design; used in higher pressure ratings than R-type.
- Type BX: Designed for API 6A flanges; withstands up to 20,000 PSI.
Applications
- Oil & Gas Industry – Subsea wellheads, flanged manifolds, and drilling systems
- Refineries & Petrochemical Plants – Reactors, separators, and heat recovery systems
- Power Generation – Steam piping, superheaters, and turbine casings
- Marine & Offshore – Flanged joints exposed to high pressure and vibration
- High-Integrity Pressure Systems – Cryogenic processing, ammonia plants, hydrogen systems
Key Benefits
- High Integrity Seal – Metal-to-metal contact ensures long-lasting, leak-proof performance.
- Machined to Precision – Surface finish and tolerance optimized for pressure and temperature cycles.
- Excellent Blowout Resistance – Gasket stays in place even under extreme system surges.
- Reusable in Some Conditions – If not over-compressed or damaged, RTJs can be re-machined for reuse.
- Custom Profiles & Exotic Alloys Available – Inconel, Duplex, Monel, F5, Soft Iron, and more based on project requirements.
Frequently Asked Questions
Explore our FAQs for insights on materials, customization, and delivery.
When should I use an RTJ gasket over a spiral wound gasket?
Use RTJs for high-pressure (Class 600 and above), API flanges, or when metal-to-metal contact sealing is mandated.
What’s the difference between RX and BX gaskets?
- RX: Self-energizing, used in higher pressure than R-type
- BX: Designed for very high pressure (up to 20,000 PSI), must be used with matching grooves
Are RTJ gaskets reusable?
In controlled conditions, oval RTJs may be re-machined and reused, but it’s not generally recommended for critical systems.
Do you offer custom engraving or part marking?
Yes, we provide batch engraving, heat number marking, and logo branding as per your project specs.
GET IN TOUCH
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