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Home > Products > Industrial Metal Pipe > Pipe Materials > Carbon Steel Pipes > Seamless Carbon Steel Pipes
Seamless Carbon Steel Pipes are highly valued for their durability, strength, and versatility, making them ideal for various demanding applications in industries such as petrochemical, gas conveyance, nuclear power, shipbuilding, and boiler systems. Kwality Steelage Pvt. Ltd. is a renowned manufacturer, supplier, and stockist based in Mumbai, India, offering a comprehensive range of seamless carbon steel pipes. These pipes are crafted with precision to meet international standards like API 5CT, API 5L, ASTM, ASME, DIN, and BS, ensuring they meet the rigorous requirements of different industries.
Our seamless carbon steel pipes are available in various grades and sizes to suit specific project needs. For instance, pipes under API SPEC 5CT are used in casing and tubing applications, with dimensions from Ø48.3 to Ø219 mm and wall thicknesses ranging from WT3.2 to WT22.2, available in steel grades such as J55, K55, N80, L80, and P110. Additionally, API 5L line pipes are manufactured for high-performance needs with dimensions up to Ø1200 mm and wall thicknesses reaching 120 mm, in grades like X42, X52, and X70 for both PSL1 and PSL2 categories.
The ASTM specifications cover a variety of seamless pipe applications, such as high-temperature services (ASTM A106) and boiler tubes (ASTM A192), with diameters ranging from Ø10.3 mm up to Ø1200 mm and wall thicknesses up to 150 mm. DIN and BS specifications provide options for elevated temperature and structural uses, available in steel grades like St35.8, St52.0, and carbon steel. To enhance performance in extreme environments, Kwality Steelage Pvt. Ltd. offers various protective coatings, including 3-layer polyethylene, fusion-bonded epoxy, and galvanization.
For enhanced durability and resistance, our seamless pipes undergo rigorous quality inspections, including non-destructive testing methods like ultrasonic and radiographic testing. Kwality Steelage Pvt. Ltd. ensures timely delivery across India and exports to major markets worldwide, making us a trusted partner for all carbon steel seamless pipe requirements. Contact us today for competitive pricing and tailored solutions.
| Product Category | Standard | Dimension Range (mm) | Steel Grade | Application |
| Casting Pipe | API SPEC 5CT | Ø114–219 x WT5.2–22.2 | J55, K55, N80, L80, P110 | Oil & gas, casing, tubing |
| Tubing Pipe | API SPEC 5CT | Ø48.3–114.3 x WT3.2–16 | J55, K55, N80, L80, P110 | Oil & gas, tubing |
| Line Pipes | API SPEC 5L | Ø10.3–1200 x WT1.0–120 | A, B, X42, X46, X52, X60, X70, X80, PSL1 / PSL2 | Oil & gas transport, onshore/offshore pipelines |
| Black and Zinc-Coated Pipes | ASTM A53 | Ø10.3–1200 x WT1.0–150 | Gr. A, Gr. B, Gr. C | Low-pressure plumbing, structural applications |
| High Temperature Service Pipes | ASTM A106 | Ø10.3–1200 x WT1.0–150 | Gr. B, Gr. C | High-temperature fluid transport |
| Heat Exchanger & Condenser Tubes | ASTM A179 | Ø10.3–426 x WT1.0–36 | Low Carbon Steel | Heat exchangers, condensers |
| Boiler Tubes for High Pressure | ASTM A192 | Ø10.3–426 x WT1.0–36 | Low Carbon Steel | High-pressure boiler systems |
| Alloy Steel Tubes for Heat Exchangers | ASTM A199 | Ø10.3–426 x WT1.0–36 | T5, T22 | Heat exchangers, petrochemical processing |
| Boiler and Superheater Tubes | ASTM A210 | Ø10.3–426 x WT1.0–36 | A1, C | Boilers, superheaters |
| Ferritic and Austenitic Alloy Steel Tubes | ASTM A213 | Ø10.3–426 x WT1.0–36 | T5, T9, T11, T12, T22, T91 | Boilers, heat exchangers |
| Mechanical Tubing | ASTM A333 | Ø1/4″–42″ x WT SCH20–XXS | Gr.1, Gr.3, Gr.6 | Low-temperature piping |
| Low Temperature Use Pipes | ASTM A334 | Ø1/4″–4″ x WT SCH20–SCH80 | Gr.1, Gr.6 | Low-temperature fluid transport |
| Feedwater Heater Tubes | ASTM A556 | Ø10.3–426 x WT1.0–36 | A2, B2 | Feedwater systems |
| Steel Tubes for Elevated Temperature | DIN 17175 | Ø10–762 x WT1.0–120 | St35.8, St45.8, 10CrMo910, 15Mo3, 13CrMo44 | High-temperature industrial applications |
| General Structural Tubes | DIN 1629 / DIN 2391 | Ø13.5–762 x WT1.8–120 | St37.0, St44.0, St52.0, St52.3 | General structure, industrial uses |
| Steel Tubes for Structural Purpose | DIN 2440 | Ø13.5–165.1 x WT1.8–4.85 | St33.2 | Structural applications |
| Machine Structure Tubes | BS 970 | Ø10–762 x WT1.0–120 | Carbon Steel | Machine structure applications |
| Boiler and Heat Exchanger Tubes | BS 3059 | Ø10–762 x WT1.0–120 | 360, 410, 440, 460, 490 | Boilers, heat exchangers |
| Carbon Steel Seamless Pipes | ASTM A53, A106, A179 | OD 10.3–610mm, WT 1.0–40mm, Length 12000mm | Gr. A, Gr. B, ST52 | Oil & gas, water pipelines |
| Carbon Steel Welded Pipes | ASTM A53, A252, API 5L, DIN1626 | OD 21.3–2540mm, WT 2.5–20mm, Length 12000mm | Gr. A, Gr. B, X42, X52, X56, X60, X65, X70 | Water pipelines, structural applications |
| Seamless Structural Pipes | ASTM A53, ASTM A500 | OD 73–630mm, WT 6–35mm, Length 5.8–12m | General Structure, Mechanism Industry | Structural purposes, heavy-duty structures |
| Seamless Precision Steel Pipe | EN 10305, DIN 2391 | OD 6–114mm, WT 0.5–10mm, Length 5.8–12m | ST35, ST37, ST45, ST52 | Automotive parts, hydraulic equipment |
| Boiler Pipe | ASTM A192, ASTM A179 | OD 21.3–711mm, WT 2.3–40mm, Length 5.8–12m | Low Carbon Steel | Boilers, steam pipelines |
| Seamless Casing Pipe | ASTM A106, API 5CT | OD 1/8″–36″, WT SCH 5–SCH 160 | J55, K55, N80, L80, P110 | Oil and gas well casing, tubing |
| Coating Types | Epoxy, Polyethylene | Layer thicknesses vary (200um–4.5mm) | Various | Anti-corrosion, abrasion resistance |
| Wall Thickness (Common Schedules) | SCH 10, SCH 40, SCH 80, SCH 160, XXS | 1.25–50mm OD | – | Thickness as per pressure requirement |
Contact Kwality Steelage Pvt. Ltd. today to get a custom quote for seamless carbon steel pipes tailored to your industrial needs. Our team is ready to provide guidance on selecting the right specifications to meet your project requirements
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We Kwality Steelage Pvt. Ltd. are professionally organized firm engaged in exporting and supplying Stainless Steel, Carbon Steel, Alloy Steel, Nickel Alloys, Duplex, Super duplex and other Ferrous & Non-Ferrous Metal products such as Pipes, tubes, Pipe, Tubes, Pipe Fittings, Piping Spools, LR Bends, Sheets, Plates, Rods, Flanges, Fasteners, Gaskets.
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