DIN 2391 ST52 pipes are seamless carbon steel pipes designed for high performance in demanding applications. These pipes are known for their high strength, superior corrosion resistance, and excellent mechanical properties. The ST52 pipe is manufactured using a low-carbon-manganese alloy with a carbon content of over 0.30%, offering a good balance of durability and workability. Available in a wide range of sizes and finishes, the ST52 seamless pipe is widely used in hydraulic systems, automotive components, oil and gas pipelines, and general engineering. Multi Metals India is one of the trusted ST52 pipe suppliers, delivering top-quality products that meet global standards.
As one of the reliable ST52 pipe manufacturers in India, we provide pipes with precise dimensions, smooth surfaces, and long-lasting performance. The ST52 steel pipe has excellent tensile strength of 600 MPa and a minimum yield strength of 520 MPa. These pipes are ideal for structural and fluid transport systems as they are simple to bend and weld. Check our ST52 pipe size chart for available options. With detailed knowledge of the ST52 pipe chemical composition and mechanical properties, we offer material equivalents and expert support. If you are looking for ST52 seamless steel pipe, we ensure fast delivery and competitive prices.
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Application of DIN 2391 ST52 Pipe
| ● Construction Industries |
| ● Automotive Industry |
| ● Transporting Materials |
| ● Sewerage Systems |
| ● Homes and Buildings |
Specification Table of DIN 2391 ST52 Pipe
| Standard | DIN 2391 |
| Grade | ST52 |
| Size | OD (4-190mm) x WT (0.5-15mm) |
| Outer Dimensions | 4.0mm – 60.0mm |
| Wall Thickness | 0.5mm – 8 mm |
| Length | max 6000mm |
DIN 17100 ST52-3
| ST 52 Pipe Standard | DIN2391 | |
| Grade | St35/St45/St52/ St55 and so on | |
| Minimum Order Quantity | 1 Ton | |
| Outside Diameter Ranges | 1/8’’~48’’ Or DN6~DN1200 Or 10.3mm~1219mm | |
| ST 52 Pipe Wall Thickness Ranges | SCH10~SCH160 Or STD,XS,XXS Or 1.73mm~59.54mm | |
| ST 52 Pipe Length (Custom) | Single Random Length | 16ft-22ft/4.8m-6.7m |
| Double Random Length | 22ft-35ft/6.7m-10.7m | |
| Fixed Length | 16ft-41ft/4.8m-12.5m | |
| Most common Length | 6m, 12m | |
| I.D Roughness | 0.4-0.8 | |
| Inside Diameter Tolerance | H7-H10 | |
| ST 52 Pipe Type | Seamless, Welded | |
| ST 52 Pipe Technique | Cold Drawn, ERW and so on | |
Chemical Composition for DIN 17100 st52-3
| Standard | Grade | C | Si | Mn | P max | S max |
|---|---|---|---|---|---|---|
| DIN2391 | St52 | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 |
Mechanical Properties for DIN 17100 st52-3
| Cold drawn(Mandatory) | Cold drawn(Soft) | Cold Drawn and Stress Release | Anneal | Normalizing | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BK1） | BKW1） | (BKS) | (GBK)1） | (NBK)1） | ||||||||
| Grade | Tensile | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation |
| N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | |
| St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490~630 | 355 | 22 |
| Yield Strength | 520 Mpa Min. |
| Tensile Strength | 600 Mpa Min. |
| Elongation | 14% Min. |
Tolerance of ST52 DIN 2391 Seamless Pipes
| OD Tolerance | 4-30mm | 31-40mm | 41-50mm | 51-60mm | 61-70mm | 71-80mm | 81-90mm | 91-100mm |
| ±0.08mm | ±0.15mm | ±0.20mm | ±0.25mm | ±0.30mm | ±0.30mm | ±0.40mm | ±0.45mm | |
| WT Tolerance | ±10% | |||||||