Stainless Steel U Bend Tube Used in Heat Exchanger Systems ASTM A213 , ASTM A269

Bending?Radius:

Minimum?1.5*OD

Maximum?1500mm

Heat?Treatment?of?the?bend

U?bends?with?a?bending?radius?up?to?maximum?of?1500mm?can?be?heat?treated?on?request

Stainless Steel U Bend Tube ?ASTM A213,ASTM A269,ASTM A249,ASTM A688,ASTM A789,ASTM A803,JIS-G3459,GOST 9941-81,ASTM A17

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?fields---Nuclear?And?Petrochemical?Machine?Building.

Allied?Rainbow?Group?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.

Standard:?ASTM?A213,ASTM?A269,ASTM?A249,ASTM?A688,ASTM?A789,ASTM?A803,JIS-G3459,GOST?9941-81,ASTM?A179,ASTM?A192,

Steel?Grade:

Initial?Length:?Maximum?Lengths?of?35000mm?can?be?supplied?on?request.

Dimensions:

OD:12.7mm---38.1mm

WT:?0.89~2.77mm

Bending?Radius:

Minimum?1.5*OD

Maximum?1500mm

Heat?Treatment?of?the?bend

U?bends?with?a?bending?radius?up?to?maximum?of?1500mm?can?be?heat?treated?on?request

The?basic?Testing?and?processing:

1.High?Pressure?hydrostatic?Test:Minimum:10?Mpa--25Mpa

2.Air?Under?Water?Test?After?Bending

3.U?Tube?wall?thickness?Test

4.Eddy?Current?Test?Before?U?bend?Formed

5.Ultrasonic?test?before?U?bend?Formed

6.Heat?Treatment?to?stress?relieved

7.Ball?passing?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.

Mill?Test?Certificate:EN?10204/3.1B

Delivery:30-60?days

-Customer?Specifications.