Low Alloy U Bend Tube


U bending tube is carried out by cold working method and is being done to the necessary bend radius as per client drawings. U-bend tube/pipe can be manufactured from an extensive range of pipe materials that contain high and low yield stainless steels, alloy steels, carbon steels,Monel , Inconel, hastelloy,duplex , super duplex,titanium,copper alloy and Cr-Ni alloys. Usually U-bends manufactured from seamless tube, can further be customized in terms of thicknesses and sizes as per the specific requirements of our clients. They are easy for further assemble tube bundles.

Grand provides U bend Tubes pipe in diverse industries for a range of applications such as in Boiler, Condensers, Super Heaters,tube bundles for Heat Exchangers, Coolers/Inter-coolers, Chiller, and so on. These are as well being used in dissimilar industries such as in Fertilizer Plants, Sugar Industry, Steel Plants,Oil & Gas plants, Chemical & Petrochemical plants, Refineries, Power plants, Renewable energy plants etc.

Production process:

straight pipe – bending before 100% flaw detection – reliable bending machine and precision bending mould – bending after the U-shaped part of the electric heating stress relief annealing – bending after 100% water pressure

What special:

All the above mentioned material can be supplied:in straight length  U-bent   finned with low fins

These pipe/tube Bend are seamless,by Large-radius Pipe Bend for pneumatic conveyors.

Pipe Bend are absolutedly wrinkle-free,no start-up bulges,Extremely low ovality Pipe Bend.

Visually aesthetic surface,Deburred sawing edges,No scratching or scoring.

Leg extension each side, Easy installation,Safe for use with food.

Steel and alloy steel U bent Tube standard and material grade:

ASTM A213 T5 T11 T12 T22 T9 T91 alloy steel U tube for Heat Exchanger Tube Boiler Condensers Super Heaters Coolers/Inter-coolers Chiller.

ASTM/ASME A/SA179 Steel Seamless U Tube bundles,for Heat Exchanger Tube Boiler Condensers Super Heaters Coolers/Inter-coolers Chiller.

ASTM/ASME A/SA192 Seamless Steel U Tubes tube bundles.

ASTM/ASME A/SA210 GrA1 C Seamless Steel U Tubes for Boiler, Superheater, Heat-Exchanger, and Condenser U Tubes, tube bundles.

JIS G3461 STB340  STB410  STB510 Seamless Steel U Tubes, tube bundles for Heat Exchanger,Condenser,boiler.

JIS G3462  STBA12  STBA13  STBA20  STBA22  STBA24 Seamless Steel U Tubes, tube bundles for Heat Exchanger,Condenser

DIN17175  St35.8  St45.8  15Mo3  13CrMo44  10CrMo910Seamless Steel U Tubes, tube bundles for Heat Exchanger Condenser

EN10216-1  P195TR1  P235TR1  P265TR1Seamless Steel U Tubes, tube bundles for Heat ExchangerCondenser

EN10216-2  P195GH  P235GH  P265GHSeamless Steel U Tubes, tube bundles for Heat Exchanger Condenser

ASTM A179It is used for heat exchanger, condenser and similar heat conveying equipments
ASTM A213It is used for boiler and super heater min wall thickness seamlless steel ferrite and austenitic steel tube and heat exchanger austenitic steel tube.
ASTM A210It is used for boiler and boiler flue tubes, including safe end, vault and supporting tube, and superheater wall thickness min or medium carbon steel tube.
JIS G3461/2It is used for boiler and heat exchanger tube inside&outside.
EN10216-1/2It is applicable to manufacture pipelines, vessel, equipment, pipe fittings and steel structure in high pressure condition.
DIN17175Its used for the pipelines of boiler industry.

Chemical composition:

StandardGradeChemical composition(%)Mechanical properties
CSiMnPSCrMoTensile Strength(Mpa)Yield Strength(Mpa)Elongation(%)
ASTM A179A1790.06-0.180.27-0.63≤0.035≤0.035≥325≥180≥35
ASTM A213T110.05-0.150.50-1.000.30-0.60≤0.025≤0.0251.00-1.500.44-0.65≥415≥205≥30
ASTM A210A-10.13-0.19≥0.10.45-0.65≤0.035≤0.035≥415≥255≥30
JIS G3461STB340≤0.18≤0.350.30-0.60≤0.035≤0.035≥340≥175≥35
JIS G3462STBA120.10-0.200.10-0.500.30-0.80≤0.035≤0.0350.45-0.65≥380≥205≥30
StandardGradeChemical composition(%)Mechanical properties
CSiMnPSCrMoTensile Strength(Mpa)Yield Strength(Mpa)Elongation(%)
P195GH P235GH P265GH≤0.16≤0.35≤1.20≤0.025≤0.020≤0.30≤0.08360-500≥235≥25

boiler tube,High pressure boiler tubes are used in high temperature and high pressure conditions. Steel tubes are subject to oxidation and corrosion under the action of high temperature flue gas and water vapor. The steel tube is required to have high lasting strength, high oxidation resistance corrosion performance and good stability.

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