Structural Fittings

Engineered to withstand extreme high-pressure, cryogenic, and corrosive environments, Frigate’s heavy-duty structural fittings deliver uncompromised structural integrity for critical energy infrastructure. From offshore oil rigs to nuclear piping networks, we provide custom-forged, certified components that guarantee long-term operational safety and zero-leak performance.

Material Grades

ASTM A105, A350 LF2, ASTM A182 (F316L, F321, F51, F53 Super Duplex)

Size Range

1/2″ to 48″ Nominal Bore (NB)

Pressure Ratings

Class 150, 300, 600, 900, 1500, 2500 lbs; PN16 to PN400

Manufacturing Standards

ASME B16.11, MSS-SP-75, MSS-SP-97, API 6A

Wall Thickness / Schedule

SCH 40, SCH 80, SCH 160, SCH XXS

Order Type

Quantity Range

Lead Time*

Standard Stock Orders

1 – 500 units

5 – 7 Days

Batch Production Run

501 – 2,500 units

3 – 4 Weeks

Custom Forgings & High Alloys

Subject to Design Complexity

6 – 8 Weeks

High-Volume Contract Sourcing

2,500+ units (Annual Blanket Orders)

phased delivery (First batch in 4 weeks)

*Listed timelines are indicative averages based on material availability. Actual lead times depend on material grade, custom engineering constraints, and current mill capacities at the time of final order placement.

Product Description

Frigate’s high-performance structural fittings are precision-machined load-bearing components designed to seamlessly connect structural frameworks and high-pressure piping systems within the energy grid. Utilizing advanced forging techniques and strict metallurgy controls, these fittings mitigate structural fatigue and optimize Total Cost of Ownership (TCO) across complex, demanding installations.

Connection Types

Butt-Weld, Socket-Weld, Threaded (NPT/ISO), Flanged

Surface Treatment

Shot Blasting, Anti-Corrosion Oil, Hot-Dip Galvanized, Epoxy Coating

Testing Protocols

Non-Destructive Testing (UT, MPI, DPI), Hydrostatic Testing, Radiography

Certification

EN 10204 3.1 / 3.2, NACE MR0175 / ISO 15156 Compliance

Dimensional Tolerance

Strict adherence to ASME Y14.5; precision machined to ±0.05mm

Design Temperature Range

-196°C (Cryogenic) up to 550°C (High-Temperature Steam)

Impact Energy (Charpy V-Notch)

Minimum 42 Joules at -46°C (for low-temperature carbon steels)

Yield Strength Range

250 MPa to 550 MPa depending on alloy selection

Quality Assurance

ISO 9001:2015, AS9100 Rev D certified production lines

Traceability

100% full heat code traceability laser-etched on every component

Technical Advantages

Our advanced finite element analysis (FEA) back-end design eliminates localized stress concentrations at critical junction points, drastically extending the asset lifecycle through optimized stress distribution. Furthermore, enhanced chemical compositions featuring precise chromium, nickel, and molybdenum balancing ensure superior corrosion resistance with maximum protection against sulfide stress cracking (SSC) and hydrogen-induced cracking (HIC).

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Industry Applications

Offshore Oil & Gas Platforms

Engineered for topside piping, jackets, and subsea structures. These fittings endure constant wave action, high structural loads, and severe marine splashing without risking structural failure or micro-cracks.

Hydrogen Processing Plants

Designed with high-grade austenitic and duplex steels to handle high-pressure hydrogen transport. Prevents hydrogen embrittlement, ensuring strict containment and leak-free performance.

Thermal Power Generation

Ideal for high-pressure steam pipelines and boiler systems. Maintained creep resistance at elevated temperatures prevents thermal deformation and ensures system uptime.

Nuclear Power Infrastructure

Manufactured under strict ASME Section III quality protocols for cooling loops and containment structures. Delivers 100% material traceability and zero-defect reliability.

Wind Turbine Structural Foundations

Heavy-duty connections tailored for offshore wind transition pieces and monopile substructures. Resists high cyclic fatigue loading from wind and tidal forces.

Geothermal Energy Facilities

Built to handle highly corrosive, mineral-rich brine and high-temperature geothermal steam. Superior alloy options prevent rapid scaling and localized pitting corrosion.

Frigate Approved Quality Management System

At Frigate, quality is built into every stage of manufacturing. Our approved Quality Management System ensures that every material component.

Incoming Material Checking

Before production begins, all incoming materials are checked against specifications, drawings, and supplier documents.

In-Process Inspection

Quality is monitored during manufacturing to prevent defects and maintain process consistency.

Final Dimensional Checking

Finished parts are inspected before dispatch to confirm compliance with customer drawings and tolerances.

Packaging Control

Finished components are packed safely to prevent damage during handling and transportation.

Incoming Material Checking

In-Process Inspection

Final Dimensional Checking

Packaging Control

Quality Document

To help buyers evaluate our quality systems, we provide sample documents that reflect our inspection and reporting standards.

How We Delivered

Complex geometries engineered solutions that move businesses forward.

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Having Doubts? Our FAQ

Can Frigate customize structural fittings to non-standard dimensions or custom design prints?

Yes. Our engineering team conducts full Design for Manufacturability (DFM) reviews to forge and precision-machine fittings directly to your custom layout, proprietary schematics, or specific project specifications.

What material certification accompanies your structural fittings for the energy industry?

All shipments come standard with EN 10204 3.1 Material Test Reports (MTRs), establishing full heat code traceability from raw ingot to finished product, along with NACE MR0175/ISO 15156 compliance reports if requested.

How do you ensure the structural integrity of fittings intended for high-fatigue energy applications?

We deploy rigorous non-destructive testing (NDT) workflows, including Ultrasonic Testing (UT) for internal flaw detection, Magnetic Particle Inspection (MPI) for surface discontinuities, and hydrostatic pressure testing mimicking field conditions.

Do you offer specialized surface coatings for aggressive, high-salinity offshore environments?

Absolutely. We provide specialized finish treatments, including Hot-Dip Galvanization, fusion-bonded epoxy (FBE) coatings, and custom dual-layer anti-corrosion oils engineered to maximize part longevity in marine zones.

How does Frigate optimize supply chain lead times for large-scale energy infrastructure projects?

We mitigate lead time risks through pre-vetted raw material stocking programs and flexible production scheduling, offering phased deliveries for blanket contracts to align perfectly with your on-site installation timelines.

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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

GENERAL ENQUIRIES

LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Components Built for Critical Performance

Engineered Products for Critical Applications

Structural Fittings

Order Type

Quantity Range

Lead Time*

Product Description

Connection Types

Surface Treatment

Testing Protocols

Certification

Dimensional Tolerance

Design Temperature Range

Impact Energy (Charpy V-Notch)

Yield Strength Range

Quality Assurance

Traceability

Technical Advantages

Let's Get Started

Industry Applications

Frigate Approved Quality Management System

Quality Document

How We Delivered

Having Doubts? Our FAQ

We'd love to Manufacture for you!

LOCATIONS

Registered Office

Operations Office

Other Locations

GENERAL ENQUIRIES

LOCATIONS

Registered Office

Other Locations

GENERAL ENQUIRIES

Get Your Quote Now

Structural Fittings

Get Latest Price

Structural Fittings

Get Latest Price