Seamless Steel Pipe

Zhengzhou Hongze Valve Pipeline Co., Ltd. is a professional manufacturer and supplier of pipeline fittings, valves, rubber expansion joints, steel pipes, and related pipeline products in China. Our seamless steel pipes are widely used in industrial pipeline systems for the transportation of water, oil, gas, steam, chemical media, and other fluids.

Seamless steel pipe is manufactured without a welded seam, offering good pressure resistance, reliable strength, and stable performance under demanding working conditions. It is commonly used in high-pressure, high-temperature, and corrosion-resistant pipeline applications.

Product Overview

Our seamless steel pipes can be supplied in different materials, outer diameters, wall thicknesses, lengths, standards, and surface treatments according to customer requirements. Products can be provided with plain ends, beveled ends, threaded ends, or other customized end processing.

Material, size, wall thickness, length, coating, marking, and packing can all be customized according to project requirements.

Common Materials

Materials can be customized according to working medium, temperature, pressure, and project specifications.

Common materials include:

• Carbon Steel: A106 Gr.B, A53 Gr.B, API 5L Gr.B, 20#, Q345
• Stainless Steel: 304, 304L, 316, 316L, 321, 310S
• Alloy Steel: A335 P11, P22, P5, P9, P91
• Low Temperature Steel: A333 Gr.6
• Duplex Stainless Steel: 2205, 2507
• Other special materials can also be customized upon request.

Product Types

Available types include:

• Carbon Steel Seamless Pipe
• Stainless Steel Seamless Pipe
• Alloy Steel Seamless Pipe
• Boiler Seamless Steel Pipe
• High Pressure Seamless Steel Pipe
• Precision Seamless Steel Pipe
• Hot Rolled Seamless Steel Pipe
• Cold Drawn Seamless Steel Pipe

Key Features

• Seamless structure with no welded seam
• Good pressure resistance and high mechanical strength
• Suitable for high temperature and high pressure pipeline systems
• Smooth inner surface and stable fluid transmission
• Available in different wall thicknesses and pipe schedules
• Custom material, size, length, and surface treatment available
• Good corrosion resistance depending on selected material
• Reliable performance for industrial and commercial pipeline projects

Available Standards

Products can be manufactured according to different standards, including:

ASTM, ASME, API, DIN, EN, JIS, GB/T and other project-specific standards.

Common specifications include:

• ASTM A106
• ASTM A53
• API 5L
• ASTM A312
• ASTM A335
• ASTM A333
• GB/T 8162
• GB/T 8163

Applications

Widely used in:

• Water supply and drainage systems
• Oil and gas pipelines
• Petrochemical industry
• Power plant pipelines
• Boiler and heat exchanger systems
• Chemical processing systems
• HVAC systems
• Shipbuilding and marine pipeline systems
• Industrial fluid transportation
• Construction and mechanical structure applications

Surface Treatment and Packing

Surface treatment can be customized according to project requirements, including black painting, anti-rust oil, galvanized surface, epoxy coating, 3PE coating, or other protective coating.

Packing can be supplied by bundle, plastic caps, steel strips, waterproof packing, wooden case, or customized export packing.

Why Choose Zhengzhou Hongze Valve Pipeline Co., Ltd.

• Professional pipeline product manufacturer and supplier
• Custom material, size, wall thickness, and length available
• Strict quality control before delivery
• Support standard and project-based customization
• Competitive factory price
• Fast response and professional technical support
• Suitable for small orders and bulk project procurement
• Export packing and documentation support available

Contact Us

For quotation, technical details, drawings, or customized requirements, please contact us.

Company: Zhengzhou Hongze Valve Pipeline Co., Ltd.
WhatsApp: https://wa.me/message/7H377VGQL65IH1
Email: export@hongzepipe.com