Carbon Steel Seamless Pipes

Carbon steel seamless pipes are among the most widely used steel pipes across industries due to their excellent mechanical strength, pressure resistance, durability, and cost-effectiveness. Manufactured without welded joints, they provide superior structural integrity and reliable performance under high-pressure and high-temperature conditions.
We supply carbon steel seamless pipes in various standards, grades, dimensions, and wall thicknesses for customers worldwide. Whether your project involves oil & gas pipelines, power plants, boilers, construction, or machinery manufacturing, we provide dependable seamless pipe solutions that meet international quality standards.

Key Features & Advantages

Superior Strength
Excellent Pressure Resistance
High Temperature Performance
Better Corrosion Resistance
Long Service Life
Wide Size Availability

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