which means that the global governance system must keep pace with the times,
High Pressure Seamless Steel Pipe
1. Product Introduction
Our high pressure seamless steel pipes are produced by piercing, hot rolling and cold drawing technology from solid steel billets. There are no welding seams on the pipe body, effectively avoiding leakage risks under high pressure. With superior mechanical properties, high tensile strength and excellent airtight performance, the products can operate safely and stably for a long time under high pressure, high temperature and harsh working conditions.
We supply a full range of carbon steel and alloy steel grades, strictly manufactured in accordance with API 5L, ASTM A106, ASTM A53, EN, DIN and other international standards. Various sizes, wall thicknesses and pipe finishes are available to meet diverse project requirements.
2. Main Materials & Grades
Carbon Steel: 20#, 45#, A106 Gr.B, A53 Gr.B, API 5L X42, X52, X60
Alloy Steel: 15CrMo, 12Cr1MoV, 42CrMo, P9, P11, P22, P91
3. Product Specifications
Outer Diameter: 10mm – 1000mm
Wall Thickness: 3mm – 160mm
Standard Length: 5.8m, 6m, 11.8m, 12m
Pipe End: Plain end, Beveled end for welding
Custom length, cutting and surface treatment are supported.
4. Core Advantages
Seamless structure: Zero weld seam, excellent pressure resistance and anti-leakage performance.
High temperature resistance: Alloy steel types adapt to high-temperature steam and heat medium delivery.
Uniform wall thickness: Stable size tolerance, easy for installation and welding.
High mechanical strength: Resist deformation and rupture under extreme working pressure.
Strict quality control: 100% hydrostatic test, ultrasonic flaw detection and visual inspection before shipment.
Customization: Provide OEM service as per clients' drawings and technical demands.
5. Application Scope
Power plant boiler tubes, superheater tubes and steam pipelines
Petrochemical high-pressure fluid transmission pipelines
Hydraulic equipment, pneumatic systems and high-pressure cylinder pipes
Industrial furnace, heat exchange system and pressure vessel piping
Oil & gas high-pressure delivery lines
6. Quality & Certification
All products are certified with ISO 9001, CE and relevant industry approvals. Complete test reports including material certificate, pressure test report and dimension report can be provided. Factory direct supply, reasonable price and stable delivery time.
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