ASME SA269,ASME SA213 A1016- TP347 / TP347H Stainless Steel U Bend Tube for Heat Exchanger 19.05 X1.

Brand Name	YUHONG SPECIAL STEEL		Place of Origin	China

Delivery Time:10days->
Certification:ISO9001-2008

ASME SA269,ASME SA213 A1016- TP347 / TP347H Stainless Steel U Bend Tube for Heat Exchanger
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Applications The common application fields are:

heat exchangers (condensers, evaporators, sea water desalinators) chemical and petrochemical industries food processing and refrigeration industries Technical Specifications

U-bent tubes are manufactured according to the technical specifications requested by customers:

Outside diameter of the tube: 6 ÷ 90 mm. Maximum overall length: > 26 m. Bending radius (min.): 1,5 × tube diameter. Bending radius (max.): 1200 mm. Heat treatment (by Joule effect on bent area) in inner and outer inert atmosphere. Anti oxidation surface treatment (with protective oils). Trimming and deburring of the ends. Internal cleaning and caps insertion. Packing in custom racks.

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U-Bend?Tube?are?widely?used?in?Heat?Exchanger?Systems.?Heat-Exchanger?Equipment?on?the?basis?of?
Seamless?Stainless?U-Tubes?and?Welded?Stainless?U?bend?Tube?is?essential?in?strategically?important?and?
critical?felds---Nuclear?And?Petrochemical?Machine?Building.
?YUHONG SPECIAL STEEL?Start?to?Produce?U?Bending?Tube?Since?2006,Up?to?now?already?supply?more?than?
30000?tons?Stainless?Steel?U?Bend?Tube?to?35?countries.
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The?U-Bend?Tube?Comply?With?The?Following?Standards:
1.????ASTM?A688/ASME?SA688
2.????ASTM?A803/ASME?SA803
3.????ASTM?A556/ASME?SA556
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Steel?Grade:
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Ferrite	Austenite	Duplex	Super?Duplex	Ni-Alloys	Titanium
TP410 TP405 S44400 S44660 TP430	TP304/304L TP316/316L TP316Ti TP317/317L TP321 TP347	S31803 S32205 S32304	S32750 S32760	N06600 N08020 N00880 N08825 N08904	Gr.2

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Tube?Of?Other?Alloys?And?Steel?Grades?Can?Be?Produced?Upon?Agreement.
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Technical?Requirements:
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Straight?Tubes Standard Specification For?Bending:
ASME?SA?213;?ASME?SB?163;?ASME?A789,?ASME?SA268,?ASME?SA269,?etc.
Marking:?Before?Bending?By?Marking?Machine?All?Over?The?Tube?Length?(Bent?Section?After?Heat?
Treatment?Without?Marking)
Note:?Marking?is?also?possible?After?Bending?On?The?Straight?Parts?Of?U-Bending?Tube.
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U-Bend?Tubes:
-TEMA?RCB?2.31?Standard?Of?The?Tubular?Exchanger?Manufacturers?Association?(9th?Edition).
-ASTM?A688/ASME?SA688?Standard?Specification?For?Welded?Tubes?Of?Austenitic?Corrosion?Resistant?
Steel?Grade?Designed?For?Feed?Water?Boilers.
-ASTM?B163/ASME?SA163?Standard?Techinical?Requirements?For?Tubes?Of?Nickel?And?Nickel?Alloy?For?
Condensers?And?Heat?Exchangers.
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-Customer?Specifications.

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Bending?Radius:?From?1.5*OD(Outside?Diameter)?To?1500mm
When?Ordering?Tubes?With?Radius?less?or?equal?to?1.5*OD,?It?Is?Necessary?To?Agree?Precision?Of?Geometrics.
Straight?Tubes?Maximum?Length:(Before?Bending):?35000?mm.
Leg?Length:?Min?1?Meter,?Max.?16500?mm?(For?Max?R=1500mm)
Note:?Other?Size?Are?Available?Upon?Agreement.
Heat?Treatment:?Stress?Relieved?After?U-Bending?(Bending?Area?Plus?300MM?For?Each?Leg).
Hydrostatic?Test?After?U?Bending:?Maximum?Test?Pressure?600?Bar,?Soaking?10?Sec.?With?
Dematerialized?Water.?Compressed?Air?Cleaning?After?Hydro-Test.
Packaging:?In?Strong?Transport-Worthy?Pre-fumigated?wooden boxes?of?corresponding?dimensions?for?
each?tube?Length,?Radius,?Diameter,?According?To?PO requirements as?well?as wrapped?In polyethylene?
films?With soft plastic caps on both end?of?Tube.

Some of the quality tests carried out by us includes:

Corrosion Test	Conducted only when specially requested by the client
Chemical Analysis	Test done as per required quality standards
Destructive / Mechanical Testing	Tensile | Hardness | Flattening | Flare | Flange
Reverse-bend and Re. flat tests	Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
Eddy Current Testing	Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
Hydrostatic Testing	100% Hydrostatic Testing carried out according to AST