Seamless Pipes
Seamless pipes are manufactured without a welded seam, providing superior strength, uniformity, and pressure-handling capability. They are produced by piercing a solid steel billet to create a hollow tube, resulting in a homogeneous grain structure throughout the pipe wall. Shree Raj Steels supplies seamless pipes from 1/2" to 24" in all major grades including carbon steel, alloy steel, stainless steel, and exotic alloys such as Monel, Inconel, and Hastelloy. Our seamless pipes meet stringent international standards including API 5L, ASTM A106, and ASTM A53, backed by full material traceability and mill test certificates.
Full material traceability & mill test certificates.
Technical Specifications
| Size Range | 1/2" – 24" (DN15 – DN600) |
|---|---|
| Wall Thickness | SCH 5S, 10S, 10, 20, 30, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS |
| Length | Single Random (5–7m), Double Random (9–12m), Cut Length |
| End Finish | Plain End (PE), Bevelled End (BE), Threaded (NPT/BSP) |
| Manufacturing | Hot Finished Seamless / Cold Drawn Seamless |
| Testing | Hydrostatic Test, Eddy Current Test, Ultrasonic Test |
Surface Finish / Coating
Available Grades
Carbon Steel
- API 5L Gr. B
- ASTM A106 Gr. B
- ASTM A53 Gr. B
- ASTM A333 Gr. 6
- IS 1239
Alloy Steel
- ASTM A335 P1
- ASTM A335 P5
- ASTM A335 P9
- ASTM A335 P11
- ASTM A335 P22
- ASTM A335 P91
Stainless Steel
- ASTM A312 TP304
- ASTM A312 TP304L
- ASTM A312 TP316
- ASTM A312 TP316L
- ASTM A312 TP321
- ASTM A312 TP347
Exotic / Special Alloys
- Monel 400
- Inconel 600
- Inconel 625
- Hastelloy C276
- Duplex 2205
- Super Duplex 2507
Applications
Key Features
- No weld seam — uniform strength
- Superior pressure resistance
- Excellent for high-temperature service
- Homogeneous grain structure
- Full material traceability
- Mill test certificates provided
Manufacturing Standards
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