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U Shape Steel Pipe For Boiler Heat Exchanger - China

price: contact company for price

Product Name:

U-Shape Steel Tube

Product Keyword:

Steel Pipe, Seamless Pipe, U-Shape Steel Pipe, U Tube, U Pipe

Brief Description:

U-Shape Steel Tube, Outside Diameter: 5/8” to 1-1/2”, Wall Thickness: 1.65mm to 2.77mm, Min Radius: 29mm; Max Radius: 675.84mm, Type of End-Finish: PE, Material: Carbon & Alloy Steel or Stainless Steel

Product Details:

Size Range: OD 5/8"~1 1/2", WT 1.65mm~2.77mm, Min Radius: 29mm; Max Radius:675.84mm

Type of End-Finish: PE

Technical Conditions:

Heat Treatment: Stress Relief Annealing of U-Tubes after Bending

Surface Condition: Finished U-tubes shall be free of scale, without scratches after bending

Dimensional Tolerances: U-tubes acc. to TEMA R.C.B.

Length of straight part -0/+5 mm

Flattening (also called “Ovality”) at the bend shall not exceed 10% of the nominal tube outside diameter.

Wall thickness in bending part acc. to TEMA RCB 2.31

Minimum tube wall thickness in the bend part (Tmin): T(min) >= (SW x (2xR + D))/( 2x (R+D)

where: SW is smallest wall thickness, D for Nominal outside diameter, R for radius

Radius tolerance

1) For R < 100 mm +/- 3 mm

2) For R >= 100 mm +/- 5 mm

Straightness tolerance max. 1.5 mm per 1 m

U-Tube ends: Plain, vertically cut to the tube axis

Repairs by welding: Prohibited

Mandatory tests for U-tubes

100% Dimensional and visual control.

100% Ball passed test

100% Hydrostatic test min 10Mpa/ min 10sec.

Coating: Passivation and Oiled, Black Paint or Varnish

Packing: Plastic Plugs in both ends, Bundles of max. 3, 000kg with several Steel Strips, Two Tags on each bundle, Wrapped in Waterproof Paper, Packed in Wooden case.

Mill Test Certificate: EN 10204/3.1B

Addition: Clean Steel Grade covered with NACE MR-0175

USAGE: Heat-Exchanger; Steam Boiler; Hot-Water Boiler; Medium Temperature Boiler service; Oil and Gas Transportation, Low-Temperature Service; Ship-Building etc.

Company Contact:

  • Phone: 8651083395700

  • Address: Rm 5-1119, Zhongwei Int'l Mansion, Huishan Distric, Wuxi City, China

  • Email: Email

Published date: February 27, 2013 -

  • Business Description: Wuxi Petrotube Industries Co., Ltd. is specialized in steel tube and

    pipe business, with professional staff and sufficient expertise in steel

    pipe technology and quality guarantee, we have been successfully

    developed business worldwide.

    As an integrated manufacturer and distributor of steel tube & pipe products, we are committed to supply quality seamless and welded pipes and OCTG products to customers in domestic and abroad, mainly in oil and gas industry. We have contracted a couple of excellent factories including Wuxi SP Steel Tube Manufacturing Co., Ltd., Wuxi Runfeng Steel Tube Co., Ltd., Wuxi Yulong Steel Pipe Co., Ltd., Wuxi Huabang Precision Steel Tube Co., Ltd. and Wuxi Dalu Steel Pipe Co., Ltd. We also have long term business cooperation with the large steel pipe manufacturers like TPCO, BaoSteel, Hengyang, Chengdu Seamless, etc. For the standard line pipes, we regularly have inventory for fast delivery.

    The range of our products:

    Seamless Steel Pipe: OD: 1/4 inch 36 inch, Wall Thickness:1.25mm to 50mm;

    ERW Steel Pipe: OD: 1 inch to 24 inch, Wall Thickness: Max 26.5mm;

    DSAW Steel Pipe: OD: 16 inch to 64 inch , Wall Thickness: Max 65mm;

    SSAW Steel Pipe: OD: 219mm to 3120mm, Wall Thickness: 3mm to 25mm.


    Tubing: 2 3/8 to 4 1/2, J55, N80, L80, P110, EUE NUE;

    Casing: 5 1/2 to 20, J55/K55, N80, L80, P110 BTC, LTC, STC;

    Drill Pipe: OD 2 3/8 to 6 5/8, E75, X95, G105, S135.

    We also deal with mechanical tubes, structural tubes, cylinder tubes, stainless pipes and fittings and flanges.

    Our steel pipe products are complied with specifications of API, ASTM/ASME, EN, BS, DIN and GOST, etc. All of our manufacturing facilities are ISO9001 certified. Furthermore, we have been working well with the third party inspection agencies like SGS, TUV, BUREAU VERITAS, LLOYDS, DNV, TUBOSCOPE, MOODY, etc for quality guarantee.

    Wuxi Petrotube Industries Co., Ltd. would like to work with the customers all over the world to develop business for mutual benefits with trust and honor, we not only supply pipes, but also quality and service.

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