Stainless Steel Boiler Tube ASME SA213 TP304 / 304L, ASTM A249 / A249M, Pickled / Annealed

Stainless Steel Boiler Tube ASME SA213 TP304 / 304L, ASTM A249 / A249M, Pickled / Annealed

Features :

• 'U' bending is done by cold working process.
• 'U' bending is done to the required radius as per customer drawings.
• The bend portion and six inch leg is stress relieved by resistance heating.
• Inert gas (Argon) is passed through it at the required flow rate to avoid oxidation in ID.
• The radius is checked for its OD and wall thinning with the recommended specification.
• The physical properties and micro-structure is checked at three different position.
• Visual inspection for waviness and cracks is done with Dye Penetrant Test.
• Each tube is then hydro tested at the recommended pressure to check for leakage.
• Cotton ball test is done to check the ID cleanliness of the tube.
• Thereafter pickled, dried, marked and packed.
• All procedure is strictly followed as per TEMA "C" and ASTM A-688.

 

Specification:

ASME SA213/A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-

Steel Boiler, Superheater and Stainless Steel Heat Exchanger Tubes.

 

 

ASTM A249 / A249M:Standard Specification for Welded Austenitic Steel Boiler, Superheater

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat-Exchanger, and Condenser Tubes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Other Standard:DIN 17456 , DIN 17458, EN10216-5,  GOST 9940-81, GOST 9941-81, JIS-G3463,...

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Material Grade:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

American Standard	Austenitic Steel: TP304,TP304L,TP304H, TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H,  TP317,TP317L, TP321, TP321H,TP347, TP347H,904L… Duplex Steel : S32101,S32205,S31803,S32304,S32750, S32760 Others:TP405,TP409, TP410, TP430, TP439,...
Europen Standard	1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438, 1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501
Russia Standard	08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т, 06ХН28МДТ

 

 

Size Range:

Production	Outside Diameter	Wall Thickness
BoilerTube	6.00mm to 101.6mm	0.5mm to 8mm

 

 

Final Finishing

Solution Annealed & Pickled / Bright Annealed.

 

 

Type of Tubes:

U-bend & Straight.

 

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 ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
Air Under Pressure Test	To check any evidence of air leakage
Visual Inspection	After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections

Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

Eddy Current Testing O.P Testing Radiography Testing

Corrosion Testing Micro Testing Macro Testing

IGC Testing Ultrasonic testing Liquid Penetrate testing