Product Introduction
Seamless steel pipe is integrally pierced and rolled without welding seams. With dense structure, high strength and excellent pressure & temperature resistance, it avoids weld defect risks. It is the preferred pipe for high-pressure, high-temperature and high-precision industrial working conditions, widely used in power, petroleum, chemical and mechanical fields.
1. Core Advantages
High Safety: No weld pores or cracks, effectively prevent leakage and bursting under extreme conditions.
High Pressure & Heat Resistance: Stable performance for high-temperature steam, high-pressure fluid and alternating load working conditions.
High Precision & Wear Resistance: Uniform wall thickness and smooth inner wall reduce abrasion and extend service life.
Good Corrosion Resistance: No weak weld area, suitable for mildly corrosive medium transportation.
Customizable: Thick-wall, thin-wall and high-precision seamless pipes for special industrial standards.
2. Specifications & International Standards
Material Grades: Domestic: 20#, 45#, Q345B, 15CrMo, 12Cr1MoV; International: ASTM A106 Gr.B/C, A53 Gr.B, A519 1020/1045, SA387; EN 10216, P235GH, 13CrMo4-5; JIS STPG370, STBA24.
Execution Standards: GB/T 8163, GB/T 3087, GB/T 5310; ASME SA106/SA53; EN 10216 series; JIS G3454, G3456.
Size Range: OD 10mm–1020mm, wall 2.0mm–100mm, hot rolled / cold drawn / precision processed.
3. Application Scenarios
Specially for high-temperature, high-pressure, high-reliability scenarios:
Power Industry: Boiler tubes, superheaters, high-pressure steam pipelines
Petrochemical: High-pressure oil & gas transmission, chemical reaction pipelines
Machinery: Hydraulic pipes, bearing tubes, high-strength structural parts
Special Equipment: Pressure vessels, precision engineering and aerospace supporting pipes
4. Service & Quality Guarantee
All products pass ultrasonic flaw detection, eddy current and hydraulic pressure tests. We provide precision processing, galvanizing and anti-corrosion treatment. Complete test reports and certificates support overseas high-end engineering acceptance. Custom special sizes available.
