Product Name: Seamless Steel Pipe
Introduction
Seamless Steel Pipe is manufactured from a solid billet which is heated and then pierced to form a hollow tube-eliminating weld seams for uniform strength and superior pressure resilience. With excellent dimensional accuracy, high tensile strength, and outstanding toughness, seamless pipes are ideal for demanding applications such as oil & gas transmission, boiler tubes, hydraulic cylinders, and structural supports in high‑stress environments.
Key Specifications
| Specification | Details |
|---|---|
| Standard | ASTM A106 Gr. B/C, API 5L Grade B/X42–X70, EN 10216‑1 |
| Material Grade | Carbon steel (C ≤ 0.30%), alloy steel options |
| Outer Diameter (OD) | 10.3–914 mm |
| Wall Thickness | 1.5–60 mm |
| Length | 6–12 m (custom up to 18 m) |
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 245 MPa |
| Elongation (min) | ≥ 20 % |
| Hardness | HB ≤ 207 (for standard grades) |
| Surface Finish | Black, galvanized, painted, or anti‑rust oiled |
Custom dimensions, grades, and finishes available on request.
Features & Advantages
Seamless Integrity: Absence of welds ensures uniform metallurgy and maximum internal pressure capacity.
Superior Mechanical Properties: High tensile and yield strengths combined with good ductility and impact resistance.
Precision Tolerances: Tight OD and thickness tolerances for reliable fit‑up and flow characteristics.
Excellent Weldability: Compatible with standard welding processes (SMAW, GMAW, GTAW) for assembly and fabrication.
Corrosion Protection Options: Protective coatings or metallurgical alloying (e.g., chrome, molybdenum) enhance durability in corrosive media.
Applications
Oil & Gas Industry: High‑pressure transmission lines, risers, and casing/tubing.
Power Generation: Boiler tubes, superheater/reheater coils, and heat‑exchanger tubing.
Hydraulic Equipment: Cylinder barrels, piston rods, and precision hydraulic lines.
Structural & Mechanical: Scaffolding, mechanical supports, and conveyor rollers.
Automotive & Aerospace: Drive shafts, fluid conduits, and landing‑gear components.
Packaging & Delivery
Bundling: Pipes bundled in uniform lengths, banded with steel straps, and protected with end caps.
Skid/Pallet Loading: Placed on treated wooden or steel cradles with chocks to prevent movement.
Protective Wrapping: Optional plastic sheeting or VCI film to guard against moisture and corrosion.
Lead Time: Standard production and shipment within 20–30 days after order confirmation; expedited options (10–15 days) available for urgent orders.
Why Choose Our Seamless Pipes?
Advanced Piercing Mills: State‑of‑the‑art plug/mandrel mills deliver precise wall thickness and concentricity.
Rigorous Quality Control: 100% ultrasonic and eddy‑current inspection, mechanical testing, and dimensional verification per ASTM/API/EN standards.
Full-Range Capability: In-house bending, threading, heat‑treating, and finishing services to deliver ready‑to‑install piping.
Technical Support: Application engineers assist with line‐design calculations, material selection, and installation best practices with a 12‑hour response commitment.
Contact Us
For high‑performance Seamless Steel Pipes tailored to your pressure, dimensional, and corrosion‑resistance requirements, please contact our sales department. We're dedicated to delivering reliable piping solutions and expert support for your most demanding projects.
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