SA214 Tubes – Manufacturer and Supplier
Midland Alloys Inc. is a trusted Indian manufacturer and global supplier of SA214 Tubes, serving industries in India and exporting to customers worldwide. These tubes are made from carbon steel as specified under ASME SA214 standards and are primarily used for heat exchanger, condenser, and boiler applications. The material offers excellent strength, workability, and thermal conductivity. Its chemical composition is constituted of carbon (0.18% maximum), manganese (0.27–0.63%), phosphorus (0.035% maximum), and sulfur (0.035% maximum). The mechanical attributes of SA214 tubes are a minimum tensile strength of 380 MPa, a minimum yield strength of 205 MPa, elongation of 35%, and a reduction in area values according to ASTM/ASME specifications. These ensure durability, efficient heat conduction and reliable performance in high-pressure and high temperature conditions.
Benefits of ASME SA214 Tubes
SA214 tubes are an efficient choice for engineering, power generation, and industrial applications as they provide consistent performance in demanding temperature and pressure-driven systems. It ensures reliable operation and a long service life in demanding situations by enhancing strong structural integrity with great thermal efficiency.
Key Benefits:
- Outstanding resistance to corrosion for a longer lifespan in industrial settings
- Effective heat transfer in exchangers is ensured by high thermal conductivity.
- Exact installation and setup are supported by superior dimensional accuracy.
- Easy fabrication, and on-site adjustments due to good weldability
- Maintains mechanical stability at high pressure, and temperature.
- A smooth interior surface increases flow efficiency and decreases fouling.
- Complies with ASME, and ASTM requirements for safety, and quality.
- Flexible to project requirements in terms of end finishes, wall thicknesses, and lengths
ASME SA214 Tubes Specification
1/2" (15 NB) to 48" (1200NB)
ASTM A214 / ASTM SA214
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Threaded / Screwed / Forged / Plate
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Forging, Rolling, Casting
FNPT, NPT, BSPT, MNPT, BSPP
Contact us today to discuss how ASME SA214 Tubes can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.
Technical Details & Delivery Condition
| SA 249 | C | Mn | P | S | Si | Ni | Cr | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| 316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.0 | 10-14 | 16-18 | 2-3 | |
| 1.4404 | 0.03 | 2.00 | 0.040 | 0.015 | 1.0 | 10-13 | 16.5-18.5 | 2-2.5 | 0.11 |
| Tensile Stress (Mpa) | Yield Stress (Mpa) | Elongation (%) | Elongation (%) | |
|---|---|---|---|---|
| SA 249 316L | 485 | 170 | 35 | 25 |
| 1.4404 | 490-690 | 190 | 40 | 30 |
| Standard | Grade |
|---|---|
| JIS | SUS316L |
| WNR / DIN | 1.4404 |
| UNS | S31603 |
| AISI | 316L |
| EN | 02Cr17Ni12Mo2 |
| China GB | 022Cr17Ni12Mo2 |
Difference Between SA214 Tubes vs. Cladded Tube Sheets
SA214 Tubes are seamless or welded carbon steel tubes engineered for heat exchangers, condensers, and other thermal systems, functioning as pressure-bearing components that directly transfer heat between two mediums with high strength, precise dimensional control, and dependable thermal conductivity. Manufactured to ASME SA214 specifications, it withstand fluctuating pressures, elevated temperatures and continuous operation. On the other hand cladded tube sheets are flat plates usually made from a carbon steel base with a corrosion-resistant alloy overlay such as stainless steel, copper-nickel, or titanium, that secure tubes in place while protecting the joint area from corrosion and erosion. Cladded tube sheets serve as the structural interface between the tube bundle and shell, providing mechanical stability, corrosion resistance, and sealing integrity under demanding operating circumstances, while SA214 tubes are selected for their capacity to carry heat and handle pressure.
Plate
Shear
Press
Inspection
Lathe
Drilling
Cleaning
Flange
Inspection
Analytic
Marking
Packing & Shipping
Applications of SA214 Tubes
SA214 Tubes are widely used in industries that require efficient heat exchange and long-term operational reliability. In heat exchangers, they deliver high thermal transfer rates for chemical, petrochemical, and HVAC systems. In condensers, they support smooth steam-to-water condensation cycles in power plants and industrial processing units. Boiler systems use SA214 tubes in water wall panels, economisers, and superheaters to handle elevated steam pressures and temperatures. They also play a vital role in blowdown drum heaters, effectively managing thermal stresses and pressure fluctuations. The petrochemical and chemical sectors depend on these tubes for critical cooling, heating, and condensation operations, enabling uninterrupted performance even in the most demanding service conditions.
Why Choose Midland Alloys Inc. for ASTM A178 Grade A Boiler Tubes
Midland Alloys Inc. is a leading Indian manufacturer and exporter of high-quality ASTM A178 Grade A Boiler Tubes. Being an ISO-certified organization, we have strict precision manufacturing processes and complete adherence to ASTM standards. We provide customization opportunities, such as cut-to-length supply, end finishes of a specific nature, special schedules, and surface treatment. Our international distribution channel caters to customers in the Gulf, Europe, Africa, and Southeast Asia, ensuring timely delivery and project-specific support. We conduct in-house testing and provide mill test certifications and we also offer third-party inspections as required. Whether for small batch requirements or large-scale export orders, we ensure consistent quality, experienced handling, and strict adherence to project timelines. All tubes are marked as per ASTM/ASME standards and supplied with Mill Test Certificates (MTC) confirming chemical and mechanical compliance. We are recognised by ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED 2014/68/EU certifications, ensuring our clients of global quality standards. Our commitment is to long-term partnerships, technical excellence and customer satisfaction.
FAQs
The outer diameter, wall thickness and service temperature are some of the variables, that affect the pressure rating of SA214 tubes. Based on ASME Boiler and Pressure Vessel Code calculations, these components may safely function in medium to high pressure applications, when manufactured according to ASME specifications.
Yes, SA214 tubes can be used in seawater condenser applications; however, in order to prevent galvanic corrosion, these tubes require extra corrosion protection, such as cathodic protection, internal coatings or material modifications in tube sheets. Long service life in marine environments depends on proper water quality testing and maintenance.
Yes, SA214 tubes are available in welded and seamless forms. Welded tubes are appropriate for cost-effective alternatives where moderate pressure and temperature conditions are applicable, whereas seamless tubes are recommended for higher-pressure or more demanding thermal duty. Both the types satisfy ASME SA214 mechanical, and dimensional criteria.
