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Seamless medium carbon steel boiler and superheater tubes ASTM A210

Short Description:

Product material:


Product applied standard:


Finished products package:

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


Product Detail

Product Tags


Seamless medium carbon steel boiler and superheater tubes

Product material A1/C
Product specification
Product applied standard ASTM A210
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)

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Performance test (mechanical property, hardness, flattening, flaring, and flanging)



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Tube cutting

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Non-destructive testing (eddy current or ultrasonic)

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Hydrostatic test

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Product inspection

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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

Boiler tubes and boiler flue tubes

Seamless Tubing Manufacturing

Knowing that distinction can also help in determining which tubing is best for a given application, welded or seamless. The method of manufacturing welded and seamless tubing is evident in their names alone. Seamless tubes are as defined – they do not have a welded seam. The tubing is manufactured through an extrusion process where the tube is drawn from a solid stainless steel billet and extruded into a hollow form. The billets are first heated and then formed into oblong circular molds that are hollowed in a piercing mill. While hot, the molds are drawn through a mandrel rod and elongated. The mandrel milling process increases the molds length by twenty times to form a seamless tube shape. Tubing is further shaped through pilgering, a cold rolling process, or cold drawing.

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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