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We Bring Forth An Exclusive Range Of U Bend Tubes - China

price: contact company for price

We bring forth an exclusive range of U-bend tubes, which are known for

their superior quality and excellent functionality.

Each U bend tube of our range is rigorously quality checked by our team of talented professionals on every stage of production to deliver the clients defect free best quality products. These U bend tubes can be custom designed in various diameters as per the requirements of our clients.

Application: Boilers, heat exchangers, super heaters, condensers

U bend tubes, U-shape tube, Heat exchanger tube, Tubes for Heat Exchanger and Condensers, Seamless tubes

Production Standard, Grade, Steel No:

ASTM A688/A688M-Welded Austentic Steel Feedwater Heater Tubes.

ASTM A 312/213/269, DIN 17458/2462, BS3605/1, JIS, ASME SA556 G3429/3459, ISO1129/2037/9329, GB/T14975/14976/13296 and so on.


U bend tubes, TP304, TP304L, TP316, TP316L, TP321, TP310S, TP347H, TP316Ti, Carbon steel, alloys and so on.


The removal of beads is done as per standard specifications.

Bead is cold worked.

It is brought in level with the base metal.

Before heat treatment on tube mill, bead rolling is made in-line.

This will help in recrystallization of weld structure.

The weld structure will also homogenize faster in annealing process.

Length: unbending length or fix length

Mill test certificate: according to EN 10204 3.2

Packing: Wooden cases, bundle or plastic bags, plywood boxes

Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.

Features :

'U' bending is done by cold working process.

'U' bending is done to the required radius as per customer drawings.

The bend portion and six inch leg is stress relieved by resistance heating.

Inert gas (Argon) is passed through it at the required flow rate to avoid oxidation in ID.

The radius is checked for its OD and wall thinning with the recommended specification.

The physical properties and micro-structure is checked at three different position.

Visual inspection for waviness and cracks is done with Dye Penetrant Test.

Each tube is then hydro tested at the recommended pressure to check for leakage.

Cotton ball test is done to check the ID cleanliness of the tube.

Thereafter pickled, dried, marked and packed.

Company Contact:

  • Phone: 862133780199

  • Address: No.273, Siping Road, Shanghai, China

  • Email: Email

Published date: October 7, 2013 -

  • Business Description: Sunny Steel provide a wide range of steel products as Steel pipes,

    Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite

    steel pipe used in the construction industry.

    We provide a wide range of steel products used in the construction industry:

    Steel pipes

    Seamless tube

    seamless pipes

    Alloy pipes

    Pipe fittings

    Composite steel pipe

    Contact us today to arrange a quote or estimate. Our steel fabrication products are real trusted and most affordable choice.

    Factory and industrial products

    In addition to our steel products for construction, we also offer a variety of steel fabrication products for use in industry. We provide local factories with steel cutting, fabricating, and distributing pipe fittings anc composite pipes.

    Our versatility ensures we will be able to provide you with the steel products you require to to complete a project, from start to finish.

    Contact us today to arrange a quote or estimate

    As a long established steel fabrication company in China, we can be trusted to deliver what you need, in the time you need it. We understand that in the construction industry time frame is often important.

    Whilst providing a quality, trusted service, we also place a high premium on quality craftsmanship. Our steel products are long lasting, and always meet our clients exact specifications.

    Our team

    Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

    Call us today to discuss your project's needs and find out what options are available.

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