Manufacturer & Exporter of Carbon and Alloy Steel Seamless Tubes & Pipes and Fin Tubes
Sainest Tubes Pvt. Ltd. manufactures and exports cold-drawn seamless tubes for industrial heat-transfer applications. Established in 1988, the company offers carbon steel and alloy steel tubes in specified grades and dimensions for heat exchangers and related equipment.
The product range serves applications such as boilers, condensers, superheaters, coolers, and intercoolers, including chilling plants. As a heat exchanger tubes manufacturer, Sainest provides tube products for a range of industrial requirements.
Sainest specialises in the manufacturing and export of seamless steel tubes and pipes. Its heat exchanger product range includes carbon steel cold-drawn seamless tubes, alloy steel cold-drawn seamless straight tubes, and heat exchanger pipes listed under specified material grades and standards.
The company serves industrial sectors including oil refineries, petrochemicals, fertilizers, chemicals, engineering, and steel plants. Its manufacturing processes include piercing, cold drawing, heat treatment, straightening, and cutting, supported by inspection and testing facilities.
Carbon steel heat exchanger tubes are used in industrial equipment designed to transfer heat between fluids. Sainest lists the following grades under its heat exchanger tube specifications.
| Specification | Grades |
|---|---|
| ASTM | A 179, A 192, A 210 (Grade A1, C), A 334 (Grade 1, 6), A 556 (Grade-A2-B2-C2), A 106 (Grade A, B, C) |
| 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 |
The appropriate grade depends on the equipment design, operating conditions, and applicable product specification.
Sainest manufactures cold-drawn seamless straight tubes for heat exchanger applications. Its listed alloy steel range includes the following specifications and grades.
| Specification | Grades |
|---|---|
| ASTM A 334 | Grade 3 |
| ASTM A 335 | Grade P5, P11, P12, P22 |
| ASTM A 209 | Grade T1, T1a |
| ASTM A 213 | Grade T2, T5, T9, T11, T12, T21, T22, T91 |
| ASTM A 199 | T5 |
The required grade and dimensions should be selected according to the intended application and applicable product specification.
Industrial heat exchanger tubes are used in equipment that transfers heat during industrial processing, heating, cooling, and steam generation. Sainest lists the following applications for its heat exchanger products:
For boiler heat exchanger tubes, the required material grade, dimensions, and applicable specifications should correspond to the equipment's operating requirements.
Sainest also lists a separate category of heat exchanger pipes with the following specifications and grades.
| Specification | Grades |
|---|---|
| ASTM | A 334 (Grade 3), A 335 (Grade P5, P11, P12, P22), A 209 (Grade T1, T1a), A 213 (Grade T2, T5, T9, T11, T12, T21, T22, T91), A 199 (T5) |
| IS 1239 | Medium, Heavy |
This product category is presented separately from the heat exchanger tube specifications in Sainest's published product information.
Sainest's published product information specifies the following dimensional range for its tube products.
| Parameter | Specification |
|---|---|
| Outer diameter | 3.0 mm to 177 mm |
| Wall thickness | 0.5 mm to 15 mm |
| Length | Up to 30 metres |
| Product range | Heat exchanger tubes and pipes |
| Tube construction | Cold-drawn seamless straight tubes listed for heat exchanger applications |
The availability of specific grades and dimensional combinations depends on the required product specifications.
Sainest's manufacturing process includes piercing, lubrication, pointing, cold drawing, heat treatment, straightening, and cutting. Subsequent operations include inspection, testing, marking, and packing, with hydro testing and rust-preventive coating included in its published process information.
The company's inspection and testing facilities cover dimensional checks, surface inspection, chemical analysis, mechanical testing, and non-destructive testing methods. These include hardness and tensile testing, hydrostatic testing, eddy current testing, and ultrasonic testing, as applicable to the product requirements.
Sainest's published heat exchanger tube information lists ASTM, BS 3059, and DIN 17175 specifications. Its separate heat exchanger pipes section lists ASTM and IS 1239 entries.
The applicable specification depends on the product category and required grade. Material designations, dimensions, testing requirements, and documentation should correspond to the intended industrial application.
Sainest Tubes Pvt. Ltd. is engaged in manufacturing and exporting seamless steel tubes and pipes for industrial applications like heat exchangers, boilers, condensers and super heaters.
When searching for a heat exchanger tube supplier India, it is essential to pay attention to the materials they offer, the dimensions, the applicable standards, the inspection process, and the possibility to meet the needed requirements.
Yes. Sainest lists cold-drawn seamless heat exchanger tubes for industrial applications. Buyers should confirm the required grade, dimensions, and testing requirements for their order.
Sainest presents itself as a manufacturer and exporter of seamless tubes and pipes. Therefore, buyers interested in purchasing heat exchanger tubes should contact the company to inquire about the availability of the desired product and relevant export papers.
When comparing a heat exchanger tubes supplier, check its grade range, manufacturing capabilities, production processes, inspection facilities, and ability to supply according to the required specifications.
For boiler heat exchanger tubes, take into account the equipment requirements, applicable material specification, required grade, dimensions, and relevant testing criteria.
Sainest says that tubes can be supplied to meet the exact needs of the customers. The grades of the material, size and other specifications have to be determined before ordering to avoid mistake.
When evaluating a heat exchanger tubes manufacturer, review its listed product range, available material grades, dimensional capabilities, manufacturing processes, and inspection provisions to determine whether they meet your project requirements.
When selecting an industrial heat exchanger tube supplier, check the material specifications, required dimensions, applicable standards, and testing requirements for your intended application.
“Tubes are also supplied as per customer’s specific requirements.”
Download Chemical Composition For Seampless Boiler Tubes