Alloy Steel Seamless Pipes

Tianjin Ruide Steel Pipe Manufacturing Co., Ltd.

China Galvanized Steel Pipe Supplier,Hollow Sections,Line Pipe

Alloy Steel Seamless Pipes

Alloy Steel Seamless Pipes are high-performance tubular products manufactured through hot-rolling or cold-drawing processes without any welded seams. These pipes are made from alloy steel grades, which contain additional elements such as chromium, molybdenum, nickel, and vanadium to enhance mechanical properties, corrosion resistance, and high-temperature strength.

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Specifications

Type: Seamless (SMLS)
Size Range:
Outer Diameter (OD): 6mm to 850mm
Wall Thickness (WT): 1mm to 120mm
Length: 3m to 12m (custom lengths available)
Manufacturing Standards: ASTM A335, ASTM A213, ASME SA335, DIN 17175, EN 10216

Material & Grades

Common Alloy Steel Grades:
Chromium-Molybdenum (Cr-Mo): ASTM A335 P5, P9, P11, P22, P91
Nickel-Based Alloys: ASTM A213 T5, T9, T11, T22, T91
Other Grades: 15Mo3, 13CrMo44, 10CrMo9-10
Chemical Composition: Enhanced with Cr, Mo, Ni, V for improved strength and heat resistance.

Features & Performance

High Strength & Durability – Superior tensile and yield strength compared to carbon steel.
Excellent Heat Resistance – Suitable for high-temperature applications (up to 600°C+).
Corrosion & Oxidation Resistance – Performs well in harsh environments (e.g., acidic, high-pressure steam).
Seamless Construction – No weak points, ensuring better pressure resistance.
Precision Manufacturing – Consistent dimensions and smooth internal/external surfaces.

Applications

Oil & Gas: High-pressure pipelines, refinery equipment, downhole tubing.
Power Plants: Boiler tubes, superheaters, steam pipelines.
Chemical Processing: Acid-resistant piping, heat exchangers.
Petrochemical: High-temperature and high-pressure applications.
Automotive & Aerospace: Hydraulic systems, structural components.

Standards & Certifications

ASTM A335 / ASME SA335 – High-temperature service.
ASTM A213 / ASME SA213 – Seamless ferritic and austenitic alloy-steel boiler tubes.
EN 10216 / DIN 17175 – European standards for pressure purposes.
ISO 9001, API, PED Certified – Ensures quality compliance.

Packaging & Delivery

Packaging: Bundled with steel strips, plastic caps on ends, or wooden crates for protection.
Delivery: Available in standard 20ft/40ft containers or bulk shipments.

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Tags : China Galvanized Steel Pipe Supplier , Hollow Sections , Line Pipe

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