ASME SA249 This speciﬁcation covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels, with various grades intended for such use as boiler, superheater, heat exchanger, or condenser tubes. ASTM A249 TP316L welded tubes play a critical role in marine engineering due to their exceptional corrosion resistance, durability, and ability to withstand harsh marine environments.

Corrosion Resistance: High resistance to chloride-induced pitting and crevice corrosion.

Durability: Long service life in harsh marine environments.

Mechanical Strength: Capable of withstanding high pressures and mechanical stress.

Hygienic Qualities: Suitable for systems requiring clean and uncontaminated fluids.

Applications For Marine Engineering

Seawater Desalination Systems

Role: Used in heat exchangers, condensers, and piping systems.

Reason: Resistant to chloride-induced corrosion, ensuring long-term performance in seawater environments.

Offshore Oil and Gas Platforms

Role: Utilized in pipelines, structural components, and hydraulic systems.

Reason: Withstands corrosive seawater, high pressures, and extreme weather conditions.

Shipbuilding and Repair

Role: Used in cooling systems, fuel lines, and exhaust systems.

Reason: Provides excellent resistance to saltwater corrosion and mechanical stress.

Marine Heat Exchangers

Role: Key component in heat exchangers for cooling and heating systems.

Reason: Maintains efficiency and durability in corrosive seawater environments.

Others for example: Subsea Equipment,Marine Propulsion Systems,etc

ASTM A249 TP316L Stainless Steel Welded Tubes For Marine Engineering 0

ASTM A249 TP316L Stainless Steel Welded Tubes For Marine Engineering 1

Ratings & Review

Overall Rating

4.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

33%

4 stars

33%

3 stars

33%

2 stars

1 stars

All Reviews

Marcus

Belize Jan 19.2026

Helpful (1)

It's genuine 321H — titanium-stabilized, so no worries about sensitization or intergranular corrosion during welding. Our welder said it welded nicely with no cracking.

B*a

South Africa Dec 9.2025

Helpful (2)

Been running about 6 months now in cyclic service. No leaks, no failures. Heat transfer still where it should be.

Salem

Oman Sep 24.2025

Helpful (2)

We checked a few before installation — wall thickness consistent, roundness good. Welded in without problems.

Tags:

Studded Tube

Solid Fin Tube

Serrated Finned tube

Embedded G Fin Tube

Extruded Fin Tube

Wound Fin Tube

Low Fin Tube

Square Fin Tube

Longitudinal Finned Tube

Enhanced Heat Transfer Tube

Fin Tube Support

Return Bend

Heat Exchanger Tube

Stainless Steel Heat Exchanger Tube

Duplex Stainless Steel Heat Exchanger Tube

Super Duplex Stainless Steel Heat Exchanger Tube

Nickel Alloy Steel Heat Exchanger Tube

Copper Alloy Steel Heat Exchanger Tube

Titanium Alloy Steel Heat Exchanger Tube

Alloy Steel Heat Exchanger Tube

U Bend Heat Exchanger Tube

Carbon Steel Heat Exchanger Tubes

Boiler Tube

Nickel Alloy Steel Boiler Tube

Stainless Steel Boiler Tube

Duplex Stainless Steel Boiler Tube

Alloy Steel Boiler Tube

Carbon Steel Boiler Tube

Fired Heater Parts

Baffle Plate

Tubesheet

Studded Tube

Solid Fin Tube

Serrated Finned tube

Embedded G Fin Tube

Extruded Fin Tube

Wound Fin Tube

Low Fin Tube

Square Fin Tube

Longitudinal Finned Tube

Enhanced Heat Transfer Tube

Fin Tube Support

Return Bend

Heat Exchanger Tube

Stainless Steel Heat Exchanger Tube

Duplex Stainless Steel Heat Exchanger Tube

Super Duplex Stainless Steel Heat Exchanger Tube

Nickel Alloy Steel Heat Exchanger Tube

Copper Alloy Steel Heat Exchanger Tube

Titanium Alloy Steel Heat Exchanger Tube

Alloy Steel Heat Exchanger Tube

U Bend Heat Exchanger Tube

Carbon Steel Heat Exchanger Tubes

Boiler Tube

Nickel Alloy Steel Boiler Tube

Stainless Steel Boiler Tube

Duplex Stainless Steel Boiler Tube

Alloy Steel Boiler Tube

Carbon Steel Boiler Tube

Fired Heater Parts

Baffle Plate

Tubesheet

products details

Studded Tube

Solid Fin Tube

Serrated Finned tube

Embedded G Fin Tube

Extruded Fin Tube

Wound Fin Tube

Low Fin Tube

Square Fin Tube

Longitudinal Finned Tube

Enhanced Heat Transfer Tube

Fin Tube Support

Return Bend

Heat Exchanger Tube

Stainless Steel Heat Exchanger Tube

Duplex Stainless Steel Heat Exchanger Tube

Super Duplex Stainless Steel Heat Exchanger Tube

Nickel Alloy Steel Heat Exchanger Tube