Seamless Steel Pipe

Seamless Steel Pipes are manufactured without welding joints, offering superior strength, pressure resistance, and reliability compared to welded pipes. They are widely used in critical applications where safety, durability, and performance are essential.
Our seamless steel pipes are available in a wide range of sizes, materials, and standards to meet diverse industrial requirements across global markets.

Key Features & Advantages

No welding seam, ensuring uniform strength
Excellent pressure and temperature resistance
High mechanical strength and toughness
Suitable for harsh and demanding environments
Long service life and reliable performance
Available in carbon steel and alloy steel grades

Quality Control & Inspection

Chemical composition analysis
Mechanical property testing
Hydrostatic testing
Eddy current / ultrasonic testing
Dimensional inspection
Good

Standards & Grades

Our seamless steel pipes are available in the following common standards and grades:
ASTM A106 (Grade A / B / C)
ASTM A53 (Grade A / B)
API 5L (X42, X52, X60, X65)
ASTM A335 (P5, P9, P11, P22)
DIN / EN standards upon request
Other grades can be supplied according to customer technical requirements.

Size Range

Outside Diameter (OD): 21.3 mm – 660 mm
Wall Thickness (WT): 2.0 mm – 80 mm
Length:
Random length
Fixed length
Customized length available

Manufacturing Process

Our seamless steel pipes are produced using advanced hot-rolled and cold-drawn processes, including:
Round billet heating
Piercing and rolling
Sizing and straightening
Heat treatment (as required)
Non-destructive testing (NDT)
Each pipe undergoes strict inspection before delivery.

Applications

Oil and gas transportation pipelines
Boiler and heat exchanger systems
Power plants and pressure vessels
Construction and infrastructure projects
Mechanical and engineering applications