Boiler Tubes
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Carbon Steel Superheater Tubes and SA 214 Material Supplier in India, Alloy Steel Boiler Tubes, IBR Seamless Boiler Tubes Manufacturers, Boiler Tubes Suppliers in Mumbai.
Solitaire Steel is a top manufacturer of Boiler Tubes in India, known for its stringent testing and advanced manufacturing techniques that ensure durability even in challenging conditions. We produce boiler tubes in various sizes, specifications, and grades according to IS/BS/ASTM standards.
Boiler tubes are uniquely crafted to handle high temperatures and pressure, made from either carbon steel or alloy steel with a seamless design. They’re widely used in steam boilers, power plants, industrial processing facilities, and electric power stations.
Both high-pressure and medium-pressure boiler tubes can be used, with high-pressure tubes undergoing special heat treatments like quenching, tempering, and annealing for added resilience. These treatments enhance the tube’s strength, flexibility, and stress resistance, ensuring they meet the demands of high-performance environments.
What are Boiler Tubes?
Boiler tubes are essential components in boilers that help transfer heat. In firetube boilers, heat moves from the inside of the tubes to the outside, while in watertube boilers, it flows from the outside of the tubes to the inside. Depending on the boiler’s size and design, there can be hundreds to thousands of tubes inside a single unit. The main function of boiler tubes is to transfer heat generated from fuel combustion into water or steam, making them critical for efficient heat exchange and boiler performance.
Boiler Tube Specification
| Boiler Tubes | |
| Specification | Grades |
| BS 3059 : | Part I (Grade 320), Part II (Grade 360, 440),BS 3602 PT-1, CFS 360,BS-980(CDS-1) |
| DIN 17175 : | ST35.8, ST45.8, 15 MO3, 10CrMo44, 13CrMo910 |
| ASTM : | A 179, A 192,A 210 (Grade A1, C), A 334 (Grade 1, 6),A 209 (Grade T1, T1a), A 213 (Grade T5, T11, T12, T22), A 556 (Grade G, C) |
Boiler Tubes Applications
- Boiler
- Condensers
- Super Heaters
- Coolers/Inter-coolers – Chilling Plants, etc.
Boiler Tube Types
Boilers use different types of tubes to meet specific heating needs, depending on the boiler’s design and the tube’s location. Here are the main types:
- Economizer tubes: Preheat the feedwater before it enters the main boiler.
- Superheater tubes: Raise the steam temperature beyond its saturation point.
- Evaporator tubes: Convert water to steam during the evaporation process.
- Stay tubes: Provide heat transfer and add structural support to the boiler.
- Fin tubes: Increase the heat transfer area to enhance efficiency.
Each tube type serves a unique function to optimize heat exchange and boiler strength.
Supply and Exporter Boiler Tubes
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FAQs
Boiler tubes are metal tubes within boilers used to heat water for steam production. The two main types are water-tube boilers, where water flows inside tubes heated by external gas, and fire-tube boilers.
Boiler tubes typically have smaller outer diameters, commonly under 1 1/2 inches, such as 1/4″, 1/2″, 3/4″, 1″, and 1 1/2″. Larger sizes include 2″, 2 1/2″, 3″, and occasionally up to 4″. Standards like ASTM A106, A179, and A192 specify these dimensions for boiler applications.
The purpose of a boiler tube is to conduct heat to water, producing steam. In water-tube boilers, water flows through the tubes and is heated by hot gas outside them.
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