U BEND TUBES 904L

u bend b

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

U BEND TUBES 904L manufacturer,Exporter and supplier , U bend tubes 904L in India, U Tubes 904L, U bend tubes 904L suppliers, U bend tubes 904L exporters, U bend tubes 904L distributors, U bend tubes 904L stockist, U bend tubes India.

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
Outer Diameter 3mm-1200mm
Thickness 0.5 to 50mm
Shape Round Connection
Type Seamless
Material Stainless Steel
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
2132 /2507/2520/2205
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.


Applications :

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

Chemical Composition

Grade C Mn Si P S Cr Mo Ni Cu
904L min.
max.
-
0.020
-
2.00
-
1.00
-
0.045
-
0.035
19.0
23.0
4.0
5.0
23.0
28.0
1.0
2.0