ST52 Seamless Pipe | DIN 2391 ST52 Carbon Steel Pipe Suppliers in India – ASC LLP
ASC LLP is a trusted ST52 Seamless Pipe supplier and DIN 2391 ST52 Carbon Steel Pipe distributor in India. We offer high-quality carbon steel pipes and carbon steel tubes used in industries like oil & gas, power plants, automotive, hydraulics, and more. Whether you’re looking for SCH 40 DIN 2391 ST52 Welded Pipe suppliers in India or seamless solutions, our products are known for their strength, precision, and durability.
What is ST52 Seamless Pipe?
ST52 Seamless Pipe is a high-strength carbon steel pipe grade that comes under the DIN 2391 standard. These pipes are produced without welding joints, making them stronger and more reliable under high pressure and heavy load applications.
DIN 2391 ST52 Pipe is widely used in mechanical engineering, structural applications, hydraulic systems, and heavy machinery. Because of its excellent weldability and good machinability, it’s the go-to material for both seamless and DIN 2391 ST52 Welded Pipe production.
Key Features of ST52 Carbon Steel Pipe
- High Tensile Strength: Ideal for load-bearing and structural applications
- Excellent Weldability: Easy to fabricate and join with other components
- Corrosion Resistance: Performs well in a range of environments
- Accurate Dimensions: Compliant with DIN 2391 standards
- Smooth Surface Finish: Suitable for precision applications like cylinders and hydraulic lines
Popular Types of ST52 Pipes We Supply
- ST52 Seamless Pipe (DIN 2391 ST52): High strength, precision tube with excellent machinability
- DIN 2391 ST52 Welded Pipe: Cost-effective pipe suitable for lower-pressure applications
- ST52 Carbon Steel Hydraulic Tubes: Ideal for hydraulic systems, seamless construction for fluid handling
- ST52 EFSW Pipes: Electric Fusion Seam Welded for enhanced strength
- ST52 Pipe in SCH 40, SCH 80, and SCH 160: Available in all popular schedules
ST52 Seamless Pipe Schedule & Size Chart
| Nominal Pipe Size (NPS) | Outer Diameter (OD) | Wall Thickness (SCH 40) | Wall Thickness (SCH 80) | Wall Thickness (SCH 160) |
| 1/2″ | 21.3 mm | 2.77 mm | 3.73 mm | 4.78 mm |
| 3/4″ | 26.7 mm | 2.87 mm | 3.91 mm | 5.56 mm |
| 1″ | 33.4 mm | 3.38 mm | 4.55 mm | 6.35 mm |
| 1 1/2″ | 48.3 mm | 3.68 mm | 5.08 mm | 7.14 mm |
| 2″ | 60.3 mm | 3.91 mm | 5.54 mm | 8.74 mm |
| 3″ | 88.9 mm | 5.49 mm | 7.62 mm | 11.13 mm |
| 4″ | 114.3 mm | 6.02 mm | 8.56 mm | 13.49 mm |
| 6″ | 168.3 mm | 7.11 mm | 10.97 mm | 18.26 mm |
| 8″ | 219.1 mm | 8.18 mm | 12.7 mm | 23.01 mm |
ST52 Seamless Pipe Specifications Chart
| Standard | DIN 2391 / EN 10305-1 |
| Grade | ST52 (ST52-3 / ST52-3N) |
| Pipe Type | Seamless / Welded |
| Outer Diameter Range | 4 mm – 1219 mm |
| Wall Thickness Range | 0.5 mm – 100 mm |
| Length | 3m, 6m, Custom Cut-to-Length |
| Surface Finish | Black Painted, Oiled, Pickled |
| End Finish | Plain Ends, Beveled Ends, Threaded |
| Form | Round, Square, Rectangular |
| Testing | Hydrostatic, Eddy Current, Ultrasonic |
ST52 Mechanical Properties Chart
| Property | Value |
| Tensile Strength | 600 – 750 MPa |
| Yield Strength | ≥ 355 MPa |
| Elongation | ≥ 22% |
| Impact Energy (Charpy V at 20°C) | ≥ 27 J |
| Hardness (Brinell) | ≤ 180 HB |
| Modulus of Elasticity | 210 GPa |
DIN 2391 ST52 Chemical Composition Chart
| Element | Composition (%) |
| Carbon (C) | ≤ 0.22 |
| Manganese (Mn) | ≤ 1.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | ≤ 0.55 |
| Chromium (Cr) | ≤ 0.30 |
| Nickel (Ni) | ≤ 0.30 |
| Copper (Cu) | ≤ 0.30 |
ST52 Physical Properties Chart
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | ~1420–1460 °C |
| Thermal Conductivity | 45 W/m·K (at 20°C) |
| Electrical Conductivity | ~10% IACS |
| Specific Heat Capacity | 470 J/kg·K |
| Magnetic Properties | Ferromagnetic |
Applications of ST52 Carbon Steel Pipes
ST52 pipes are designed to handle high pressure, vibration, and heavy loads. They are extensively used in:
- Automobile and Heavy Vehicle Manufacturing
- Construction & Structural Engineering
- Hydraulic Systems and Cylinder Tubes
- Oil & Gas Pipelines
- Infrastructure Projects
- General Engineering Applications
Why Choose ASC LLP as Your ST52 Pipe Supplier?
At ASC LLP, we combine global standards with Indian market expertise. Here’s why customers trust us as their ST52 Carbon Steel Pipe distributor in India:
- ISO-Certified Products
- Competitive ST52 Tubes Price in India
- Wide Range of Sizes & Customization
- Fast Delivery Across India & Overseas
- Third-Party Inspection Reports on Request
- Decades of Industry Experience
Looking for SCH 40 DIN 2391 ST52 Welded Pipe suppliers in India? ASC LLP provides ST52 Welded Pipes that meet DIN 2391 standards and are ideal for lower-pressure systems where strength and affordability matter. These welded pipes are produced using advanced welding techniques and offer great performance with reduced production costs.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ST52 Seamless Pipes. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
