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Steel tubes for precision application EN 10305

Short Description:

Product material:


Product applied standard:

EN 10305

Finished products package:

Steel belt hexagonal package/plastic film/woven bag/sling package


Product Detail

Product Tags


Steel tubes for precision application

Product material E215/E235/E355
Product specification
Product applied standard EN 10305
Delivery status
Finished products package Steel belt hexagonal package/plastic film/woven bag/sling package

Product Manufacturing Process

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Tube blank


Inspection (spectral detection, surface inspection, and dimensional inspection)

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Thermal inspection

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Grinding inspection

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Cold drawing

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Cold-drawing (the addition of cycled processes such as heat treatment, pickling and cold drawing should be subject to the specific specifications)


Cold drawing/hard +C or cold drawing/soft +LC or cold drawing and stress relieved +SR or annealing +A or normalization +N (selected according to customer’s needs)

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Performance test (mechanical property, impact property, flattening, and flaring)



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Tube cutting

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Non-destructive testing

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Hydrostatic test

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Product inspection


Immersion of anti-corrosive oil

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Product Manufacturing Equipment

Shearing machine/sawing machine, walking beam furnace, perforator, high-precision cold-drawing machine, heat-treated furnace, and straightening machine


Product Testing Equipment

Outside micrometer, tube micrometer, dial bore gage, vernier caliper, chemical composition detector, spectral detector, tensile testing machine, Rockwell hardness tester, impact testing machine, eddy current flaw detector, ultrasonic flaw detector, and hydrostatic testing machine


Product Applications

Chemical equipment, ships, pipelines, automotive parts, and mechanical design applications

Application field-1

Seamless steel pipe

Seamless steel pipe (SMLS) is formed by drawing a solid billet over a piercing rod to create the hollow shell, without welding or seam. It is suitable for bending and flanging. The most advantage is increasing the ability of withstanding higher pressure. So it is widely used for boiler and pressure vessel, automotive area, oil well, and equipment components.

Seamless steel pipe can be cut, threaded or grooved. And the coating method includes black / red lacquer, varnish painting, hot dip galvanization, etc.

Cold Drawn Mill:
Cold drawn mill is used for producing small size pipe. There are several times of cold forming process, so yield strength and tensile strength values increase, while elongation and toughness values decrease. A heat treatment must to be applied for each cold forming operation.
Comparing hot rolled pipe, cold drawn pipe maintains precise dimension, smooth surface and shining appearance.

Package of carbon steel seamless pipe

Plastic caps plugged at the two sides of pipe ends
Should be avoided by the steel strapping and transport damage
Bundled sians should be uniform and consistent
The same bundle(batch) of steel pipe should be came from the same furnace
The steel pipe has the same furnace number,the same steel gradethe same specification


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