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Help CenterSeamless Steel Tube Manufacturer OD 5mm – 256mm | WT 0.8mm – 25mm No Weld Seam – High Pressure Integrity
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Seamless Steel Tube
OD 5mm – 256mm | WT 0.8mm – 25mm
No Weld Seam – High Pressure Integrity
Product Overview
Our seamless steel tube is manufactured by hot rolling or cold drawing with no weld seam, ensuring superior pressure integrity and reliability. With outer diameters from 5mm to 256mm, these tubes are ideal for high pressure, high temperature, and critical service applications.
✅ Seamless – no weld seam – zero leak risk
✅ Carbon steel & alloy steel
✅ ASTM / API / EN / GB standards
✅ 100% hydrostatic tested
✅ EN 10204 3.1 MTC with heat number
✅ Factory direct | Global shipping
Key Specifications
| Parameter | Value |
|---|---|
| OD | 5 – 256 mm |
| WT | 0.8 – 25 mm |
| Length | 4 – 12 m |
| Manufacturing | Hot rolled / Cold drawn |
| Material | Carbon Steel, Alloy Steel |
| Standards | ASTM A106, API 5L, GB/T 8163, EN 10216 |
Available Grades
| Grade | Standard | Application |
|---|---|---|
| 20# | GB/T 8163 | Fluid transport |
| A106 Gr.B | ASTM A106 | High temperature |
| X52, X65 | API 5L | Oil & gas pipelines |
| P235GH | EN 10216-2 | Pressure equipment |
Advantages
| Feature | Benefit |
|---|---|
| No weld seam | Zero leak risk, high pressure rating |
| Uniform wall thickness | Consistent strength |
| Wide size range | OD 5-256mm – one-stop sourcing |
| Heat treated | Normalized or quenched & tempered |
Applications
High pressure steam lines
Oil & gas pipelines
Boiler tubes
Hydraulic systems
Heat exchangers
Structural applications
Contact
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website: /
Tags: Seamless Steel Tube Seamless Tube Seamless Pipe ASTM A106 Seamless Carbon Steel Tube
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