U BEND TUBES 904L
Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904l Pickled and Annealed & Plain End.
ASTM B 677 904L Stainless Steel U Tube
Welded Bending Stainless Steel U Bend Tube 904L SCH 160 DIN EN AISI U Tubing
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U BEND TUBES 904L is a high-combination austenitic stainless steel with low carbon content. The evaluation is proposed for utilization under extreme destructive conditions. Consumption Resistance, Great imperviousness to weaken sulfuric corrosive, U BEND TUBES 904L is completely austenitic and is less delicate to precipitation ferrite and sigma stages than ordinary austenitic evaluations with high molybdenum content. Great imperviousness to general corrosion, especially in sulfuric and phosphoric conditions. Great imperviousness to pitting and crevice corrosion. Great imperviousness to stress corrosion cracking. Great imperviousness to inter-granular erosion.
|Standards||JIS, AISI, ASTM, DIN, GB, En Cross-Section|
|Thickness||0.5 to 50mm||Shape||Round Connection|
|Usage||Petrochemical, Heat Exchanger|
|ASTM||> A269, A312, B677|
|ASME||SA269, SA312, Sb677|
The U-Bend Tube Comply With The Following Standards :
1. ASTM A688/ASME SA688
2. ASTM A803/ASME SA803
3. ASTM A556/ASME SA556
U - Bend Tubes:
• TEMA RCB 2.31 Standard Of the Tubular Exchanger Exporter 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 Technical Requirements for Tubes of Nickel and Nickel Alloy For Condensers and Heat Exchangers.
Product Details :
|Name||Welded Stainless Steel U - Bend Tube|
|Standard||ASTM, GB, JIS, DIN, EN, AISI|
|Material Grade||TP304/TP304L /TP316/ TP316L /TP316Ti /TP347/ TP347H / TP321/ TP321H/TP310S/TP310H/TP904L|
|S31803, S32205 S32750 S32760 S32304 S32101|
|Outer Diameter||1.5*OD 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)|
|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.|
|Thickness||Seamless Pipe: 1mm - 8mm; SCH 5/5S/10S/40s|
|Tolerance||According to the Standard.|
|Manufacturing Process||Cold Drawn, Bright Annealed, Pickling|
|Test||UT, ET, HT, RT, Etc. and others according to the standard, or as the requests of the customers|
|Certificate||ISO 9001, etc.|
Condensers, evaporators, sea water processing, food processing and refrigeration industries, chemical and petrochemical industries, cooling tubes in ammonia converters, good resistance to hydrogen sulphide and inter-granular corrosion, furnace tubes in refineries