Pipe & Tube Manufacturing Process
Annealed Pipe&Tube
Annealing represents a crucial delivery condition for precision steel tubes, commercially designated as GBK（+A） condition.
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Pipe & Tube Manufacturing Process
Compare seamless, cold-drawn, cold-rolled and heat-treated tubes. Specify the critical bore, wall thickness, surface and straightness, then confirm the final delivery condition. Include downstream bending, welding or machining requirements when reviewing ductility and dimensional stability.
Pipe & Tube Manufacturing Process
Cold Drawn Pipe&Tube
Cold-Drawn Seamless Steel Pipes, also known as precision-drawn tubes or cold-finished seamless pipes, represent our high-precision product line...
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Pipe & Tube Manufacturing Process
Cold finished and stress-relieved Pipe&Tube
Cold Finished and Stress-Relieved Steel Pipes (BKS/+SR Condition) represent a precision delivery state where steel tubes undergo specialized stress...
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Pipe & Tube Manufacturing Process
Cold finished（hard）Pipe&Tube
Cold Finished (hard) Steel Pipes (BK/+C) represent a delivery state where steel tubes undergo cold forming processes without subsequent heat treatment.
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Pipe & Tube Manufacturing Process
Cold finished（Soft）Pipe&Tube
Cold Finished(Soft) Steel Pipes (BKW/+LC n) represent a specialized delivery state where steel tubes undergo cold forming followed by low-temperature...
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Pipe & Tube Manufacturing Process
Cold Rolled Pipe&Tube
Cold-Rolled Steel Tubes, also known as fine-rolled seamless tubes, are manufactured through an advanced process where steel shells are precisely rolled...
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Pipe & Tube Manufacturing Process
Cold-Drawn Welded Tube
Tenjan delivers fully customizable cold-drawn welded tubes in both standard round and specialized profiles.
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Pipe & Tube Manufacturing Process
Cold-Rolled Welded Tube
Tenjan delivers fully customizable Cold-Rolled welded tubes in both standard round and specialized profiles.
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Pipe & Tube Manufacturing Process
Normalized Pipe&Tube
Normalized Steel Pipes (NBK/+N Condition) represent a standardized delivery state where steel tubes undergo normalizing heat treatment after cold...
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Pipe & Tube Manufacturing Process
precision Pipe&tube
Tenjan Precision Seamless Steel Tubes are cold-formed tubular products manufactured for applications requiring better dimensional consistency and...
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Pipe & Tube Manufacturing Process
Quenched and Tempered Steel Pipe
Quenched and Tempered Steel Pipes (Q&T ) represent advanced heat-treated steel tubes that undergo precise "quenching + high-temperature tempering"...
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Pipe & Tube Manufacturing Process
Seamless Pipe&Tube
Tenjan Company offers high-quality seamless steel pipes and precision seamless tubing.
View product →Need a custom steel tube?
Send us your grade, dimensions, tolerance and application. Our engineering team will help define the right solution.
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