Seamless boiler tube and pipe sizes/Steel grades for tubes intended for pressure equipment/Length of seamless boiler tubes/Boiler tube ends/Seamless boiler tube testing/Condition of delivery and surface of boiler tubes/Seamless boiler tubes surface protection

Boiler tubes - for pressure equipment, used at higher temperatures/ Seamless boiler tube and pipe sizes, Steel grades for tubes intended for pressure equipment. Length of seamless boiler tubes, Boiler tube ends, Markings of the tubes and tube bundles, Seamless boiler tube testing, Condition of delivery and surface of boiler tubes, Seamless boiler tubes surface protection

Are Looking for Stainless Steel Boiler Tubes in Trinidad & Tobago, We can offer a comprehensive range of SS DIN 1.4301 Boiler Tubing. Carrying extensive inventories of Stainless Steel JIS SUS Boiler Tube in Trinidad & Tobago, Click here if you want to buy Pipes or want to learn about Stainless Steel Boiler Pipes, Reliable Exporter of SS in Boiler Tubing in Trinidad & Tobago

Stainless Steel Pipes / Tubes Prices List (At Factory Prices)

We manufacture Steel Tubes by cold drawn process to ensure the most accurate dimensional tolerances.We provide Stainless Steel Boiler Tubing and Pipe in all shapes and sizes and with any specifications that the clients

Boiler tubes - for pressure equipment, used at higher temperatures

We offer a wide range of solutions for power industry within the following parameters:

Seamless boiler tube and pipe sizes

OUTER DIAMETER (OD)10.2 - 139.7 mm 
(from 26.9 mm manufactured as hot rolled)
WALL THICKNESS (WT)0.5 - 16.0 mm 
(from 2.6 mm manufactured as hot rolled)
Tubes for pressure equipment, used at higher temperatureare delivered according to
EN 10216-2,
(BS 3059, 3602, 3604, 
DIN 2448, NF A 49-211, 49-213, 
STN and ČSN 42 5715, 42 5716, 
PN-H 74252, UNI 4991)
tube sizes acc. to European standards.

GOST 8732 and TU

tube sizes acc. to Russian standards

ANSI / ASME B36.10, 
ASTM A/SA 192, 209, 213, 335, 556

tube sizes acc. to ASME standard
tube sizes acc. to ASTM standard

JIS G3456, G3458
JIS G3461, G3462

sizes - Japanese std/high temperature
sizes - Japanese std/heat exchangers

EN 10 305-1

tube sizes for precision steel tubes.

Means of tube production – hot rolling or cold forming depends upon the standards, tube dimensions and the agreement when ordering the tubes. The tube tolerances meet the appropriate standards and requirements.

Steel grades for tubes intended for pressure equipment

EN 10216-2P195GH, P235GH, P265GH, 16Mo3, 14MoV6-3, 
7CrWVMoNb9-6, 7CrMoVTiB10-10, 10CrMo5-5, 
13CrMo4-5, 10CrMo9-10, 25CrMo4, X11CrMo5+I, 
X11CrMo5+NT1, X11CrMo5+NT2, X10CrMoVNb9-1
Marking system for steel grades according to EN

ASTM A 106
ASTM A 209
ASTM A 210
ASTM A 556

Grade A, Grade B, Grade C
Grade T1, Grade T1a, Grade T1b
Grade A-1, Grade C
Grade A2, Grade B2, Grade C2

ASTM A 335
ASTM A 213

Grade T/P11, Grade T/P12, Grade T/P22, Grade T/P24,
Grade T/P2, Grade T/P21, Grade T/P5, Grade T/P91
Chemical composition and mechanical properties of steels acc. DIN, BS, NFA, UNI, GOST, TU, PN-H and JIS

Length of seamless boiler tubes

Length [m]for sizes [mm]
5 – 6OD < 60.3
5 – 6 or 10 – 14OD => 60.3 and WT < 7.1
5 – 6OD => 60.3 and WT => 7.1
Longer tubes (22 - 24 meters) can be supplied upon agreement
Types of supplied length of tubes are:(a) random length,
(b) fixed length ± 500 mm,
(c) exact length 
L < 6 m 0 + 10 mm
L = 6 - 12 m 0 + 15 mm.
L > 12 m + upon agreement

Boiler tube ends

Deburring applies to
Tube OD26.7 - 114.3 mm
Tube WT3.2 - 12.5 mm
Tube lengths4 - 13 meters
Deburring angle, a30°+ 5 and 37°± 2.5
Dimension, c1.6 ± 0.8 mm

Markings of the tubes and tube bundles

(a) The tubes with outside diameter up to 51 mm may be marked by a label attached to the tube bundle, 
(b) Larger tubes must, at least, have markings at one end of the tube with the necessary data - producer name , standard, steel grade, test category, heat no, inspector's mark, identification number. Additional marking upon agreement.

Packaging of seamless boiler tubes

(a) tubes bound with a steel band
(b) tubes wrapped in plastic sheets, burlap,
(c) tubes in wooden crates.
The tubes are supplied in packages with a circular or hexagonal outline with having weight of 300 – 3 500 kg.

Seamless boiler tube testing

Only specific testing.

Testing comparison DIN 17175 and EN 10216 – 2:

EN - testing categoryDIN - quality class
TC1I
TC2III
Non–alloy steels: I or III, class TC1 or TC2
Alloy steels: – III, class TC2

Certified test reports for boiler tubes

EN 10204: for EN 102943.1 specific testing
EN 10204: for EN 10297nonspecified testing (only the mandatory tests), 2.2
specified testing – 3.1.B
after agreement - 3.1.A, 3.1.C, 3.2
ASTM A450, A530, A1016, A999
DIN 50049, 3.1.B, C.
STN 42 0251, ČSN 42 0251,

Straightness of boiler tubes

Allowed straightness is 0.0015 multiple of the tube length, for 1 meter length the allowed straightness is 3 millimeters.

Condition of delivery and surface of boiler tubes

Condition of the tubes meets the requirements of the appropriate standards, i.e. the tubes go through normalized forming or after cold forming goes through normalized annealing. The tube surface meets the standards’ requirements and the means of manufacturing.

Seamless boiler tubes surface protection

While ordering, it is necessary to agree upon the method and means of temporarily protecting the surface of the tubes during transportation and storage.

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We have Exported Steel Pipe Tube / Tubing to over 60 countries including IndiaUnited Arab EmiratesKenyaQatarUSAMalaysiaSouth KoreaIndonesiaSingaporeUKBangladeshJapanChinaThailandTaiwanItalyIranVietnamPolandEgyptCanadaTurkeySri LankaPakistanSaudi ArabiaKuwaitRussiaNigeriaFranceDenmarkGermanyGreeceUkraineOmanSwitzerlandSouth AfricaRomaniaColombiaIraqAustraliaNetherlandsPortugalSpainBrazilNorwayParaguayAzerbaijanTrinidad & TobagoMexicoHong KongPhilippinesTunisiaBahrainSerbiaBelarus

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Are Looking for Stainless Steel Boiler Tubes in Trinidad & Tobago, We can offer a comprehensive range of SS DIN 1.4301 Boiler Tubing. Carrying extensive inventories of Stainless Steel JIS SUS Boiler Tube in Trinidad & Tobago, Click here if you want to buy Pipes or want to learn about Stainless Steel Boiler Pipes, Reliable Exporter of SS in Boiler Tubing in Trinidad & Tobago

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