Seamless Line Pipes

Tianjin Ruide Steel Pipe Manufacturing Co., Ltd.
SSAW Steel Pipe,China Steel Supplier,Plate and Coil
Seamless Line Pipes
Seamless Line Pipes
Seamless Line Pipes
Seamless Line Pipes

Seamless Line Pipes

Seamless Line Pipes are high-performance steel pipes manufactured without welding seams, ensuring superior strength, pressure resistance, and reliability for critical fluid transportation applications. These pipes are widely used in oil & gas, petrochemical, and water transmission industries due to their excellent structural integrity and corrosion resistance.

Specifications

Type: Seamless (SMLS)
Size Range:
Outer Diameter (OD): 1/2" to 24" (DN15 to DN600)
Wall Thickness: SCH 10 to SCH XXS (customizable)
Length: 5.8m,6m to 12.5m (or as per customer requirements)
Pressure Rating: API 5L PSL1 & PSL2, up to X80 grade

Material & Grades

Common Materials:
Carbon Steel: ASTM A106 Gr. B, API 5L Gr. B/X42/X52/X60/X65/X70/X80
Alloy Steel: ASTM A335 P11/P22/P91 (for high-temperature service)
Stainless Steel: ASTM A312 TP304/316 (corrosive environments)
Standards Compliance:API 5L, ASTM A106, ASTM A53, ASME B36.10, ISO 3183

Features & Performance

High Strength & Durability – No welded seams eliminate weak points, ideal for high-pressure applications.
Superior Corrosion Resistance – Suitable for harsh environments (offshore, sour gas, acidic fluids).
Excellent Dimensional Accuracy – Smooth internal surface reduces friction and improves flow efficiency.
Pressure & Temperature Resistance – Handles extreme conditions (up to 1000°C for alloy grades).
Leak-Proof & Reliable – No risk of weld defects, ensuring long-term safety.

Applications

Oil & Gas Industry:Crude oil & natural gas transmission (onshore/offshore pipelines).
Gathering lines, well casings, and refinery piping.
Petrochemical Plants:High-pressure steam, chemical, and hydrocarbon transport.
Water & Utilities:High-pressure water mains, sewage systems.
Power Generation:Boiler tubes, heat exchangers (ASTM A335 alloy pipes).

Testing & Certifications

Non-Destructive Testing (NDT): Ultrasonic (UT), Hydrostatic, Eddy Current.
Mechanical Tests: Tensile strength, hardness, impact (Charpy V-notch).
Certifications: API 5L, ISO 9001, PED 2014/68/EU, NACE MR0175 (for sour service).

Packaging & Delivery

Packaging: Plastic caps, bundled with steel strips, woven bags or wooden crates for protection.
Delivery: Standard 20ft/40ft containers or bulk shipment (OD ≥ 16" shipped individually).

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