Chetak Steel is one of the established manufacturers and suppliers in Hyderabad, India. We offer some of the high-quality carbon steel products, among which are a wide range of reliable solutions in the form of Carbon Steel DIN 1629 pipe for applications in pressure as well as for structural purposes. Our DIN 1629 pipes are renowned for their excellent strength, durability, and resistance to corrosion, hence ideal for application in industries like oil and gas, construction, and manufacturing. Chetak Steel makes sure that, with a focus on quality and customer satisfaction, top-tier products are available for all your project needs.
Carbon Steel DIN 1629 Pipe is a seamless steel pipe crafted to meet the DIN 1629 standard, making it a go-to choice for high-pressure and high-temperature applications. These pipes are celebrated for their outstanding mechanical properties, durability, and precise dimensions, which make them perfect for use in industrial, power, and petrochemical systems. With a smooth surface finish and consistent wall thickness, DIN 1629 pipes deliver reliable performance even in the toughest conditions, such as transporting steam, water, and gas.
| Standard | DIN 1629 |
| Grade | ST52 |
| Size in MM | 4 To 190 x Wall Thickness 0.5 To 15 |
| Outer Dimensions in MM | 4 To 60 |
| Wall Thickness in MM | 0.5 To 8 |
| Schedule | Schedule XS, Schedule 160, Schedule 40, Schedule XXS, Schedule 80 Supplier and Manufacturer |
|---|---|
| Length in MM | 6000 |
| Pipe Marking | All Pipe are marked as follows: Supplier or Manufacturer’s Name, Standard, Grade, OD, Thickness, Length, Heat Number |
| St37.0 | 1.0254 | 0.17 | 0.040 | 0.040 | 0.009²) |
| St44.0 | 1.0255 | 0.21 | 0.040 | 0.040 | 0.009²) |
| St52.0³) | 1.0421 | 0.22 | 0.040 | 0.035 | – |
| Steel Grade | Upper Yield Stress ReH for wall thickness, in mm, | Tensile strength Rm N/mm² | Elongation(%) A5 | ||||
|---|---|---|---|---|---|---|---|
| Symbol | Material Number | up to 16 | over 16 up to 40 | over 40 up to 65 | Longitudinal | Transverse | |
| St 37.0 | 1.0254 | 235 | 225 | 216 | 350²) to 480 | 25 | 23 |
| St 44.0 | 1.0256 | 275¹) | 265¹) | 255¹) | 420²) to 550 | 21 | 19 |
| St 52.0 | 1.0421 | 355 | 345 | 335 | 500²) to 650 | 21 | 19 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Execution | Size Range | OD Tolerance | Wall tolerance |
| Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall – 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm |
| Hot-rolled peeled tube | All sizesWall < 12 mmWall – 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) |
| Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 – 80 mmOD > 80 Wall Thickness< 6 mm Wall Thickness6 – 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm |
Constructed from high-quality carbon steel, DIN 1629 Pipes feature carefully controlled levels of carbon, manganese, silicon, phosphorus, and sulfur. This specific composition results in impressive tensile strength, solid yield strength, and sufficient ductility. The seamless manufacturing process boosts their ability to handle pressure, enhances structural integrity, and improves resistance to deformation. Plus, these pipes are easy to weld and can be tailored for various applications without sacrificing mechanical performance.
You’ll often find Carbon Steel DIN 1629 Pipes in boilers, heat exchangers, superheaters, chemical plants, and industrial piping systems. They’re also widely used in power generation, oil and gas, and mechanical engineering. Thanks to their blend of strength, reliability, and precision, DIN 1629 pipes are ideal for safely transporting fluids under high pressure and temperature, ensuring long service life and consistent performance in critical industrial settings.
Chetak Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hyderabad, India.
Copyright 2025 Chetak Steel. All rights reserved