RINA Approved Stainless Steel Seamless Pipe

We supply stainless steel seamless pipes and tubes for marine and offshore projects with RINA certification support, full material traceability, and reliable inspection documentation.

What Is RINA Certification?

RINA (Registro Italiano Navale) is an internationally recognized classification society serving the marine, offshore, energy, and industrial sectors. RINA certification helps verify that materials and products comply with applicable technical, quality, and safety requirements for shipbuilding, marine piping, and offshore engineering projects.

Our stainless steel seamless pipes and tubes can be supplied for RINA-class projects with relevant inspection documents, material certificates, and project documentation according to customer specifications and application requirements.

RINA Certificate

Below is our RINA-related certificate information for stainless steel seamless pipes and tubes used in marine and offshore applications.

Certificate Name: RINA Approval / RINA Certificate

Issued By: RINA

Product Scope: Stainless Steel Seamless Pipes and Tubes

Application: Marine and Offshore Projects

Document Support: Available upon request

Products Covered by RINA Certification

We provide a wide range of stainless steel seamless pipes and tubes suitable for RINA-class marine and offshore projects. Different grades, standards, and dimensions can be supplied according to project requirements and technical specifications.

Product	Grade	Standard	Size Range	Typical Application
Stainless Steel Seamless Pipe	316L	ASTM A312 / EN 10216-5	Custom sizes available	Marine piping systems
Stainless Steel Seamless Tube	316L / 321	ASTM A269 / ASTM A213	Custom sizes available	Instrumentation and heat exchange
Duplex Seamless Pipe	2205	ASTM A790	Custom sizes available	Seawater and offshore systems
Super Duplex Seamless Pipe	2507	ASTM A790	Custom sizes available	High-corrosion marine environments

Available Grades

304 / 304L
316 / 316L
321
317L
Duplex 2205
Super Duplex 2507

Standards Available

ASTM A312
ASTM A269
ASTM A213
ASTM A790
EN 10216-5
DIN / JIS standards available upon request

Typical Marine and Offshore Applications

Seawater cooling systems
Ballast water piping
Marine process piping
Offshore platform piping
Hydraulic systems
Instrumentation tubing
Heat exchanger tubing

Quality Control and Inspection

To meet the requirements of RINA-class marine and offshore projects, our stainless steel seamless pipes and tubes are supplied with strict quality control, inspection documentation, and full traceability throughout manufacturing and shipment.

Chemical composition analysis
Mechanical property testing
PMI testing
Hydrostatic testing
Dimensional inspection
Surface inspection
UT / ET / other NDT as required
Heat number traceability

Why Choose Us

Stainless steel seamless pipe specialist
Support for marine and offshore project supply
RINA certification support upon request
Full material traceability
Wide range of grades and standards
Reliable export packing and delivery
Fast response to technical and commercial inquiries