SA 209 t1a boiler tube

SA 209 t1a boiler tube

The carbon moly alloy steel SA209 T1A piping is utilized in superheaters, boiler ventilation systems, and boiler tubes. Cr, moly, and occasionally vanadium is later added to carbon steel to create Alloy Steel ASTM A209 Grade T1a Seamless Tubes, often referred to as chrome-moly pipes. Boiler and superheater tubing that has been hot-finished to ASTM A209 Grade T1a tubes are heat treated at 1200 °F [650 °C] or above. Following the last cold completion, cold-finished pipes are heat treated at 1200 °F [650 °C] or above. According to SA209 T1A tubing seamless super alloys pipes are supplied fully annealed, isothermally annealed, or normalized quenched and tempered.

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SA 209 T1a boiler tube specification

SA 209 T1a Boiler Tube Specification

SA 209 T1a boiler tube size range ASTM A209 T1a tubing length T1a Tube Material equivalent & other trade name
  • Nominal pipe size – 1/8” to 5” NPS
  • Wall thickness: 0.500″

For custom sizes please contact above listed SA 209 T1a boiler tube suppliers in UAE & get a quick quote


  • 6 meters
  • 12 meters
  • Single random lengths (4 – 8 meters)
  • Double random lengths (8 – 13 meters)
  • Custom length or cut to length to save wastage
  • DIN 1.5415
  • UNS K11522
  • Heater Tube – ASTM A213 Gr T1a
  • Trade Name: SA 209 T1a boiler tube
ASTM A209 T1a material ASTM A209 grade T1a hot formed tubes tempering temperature SA 209 Gr T1a Tubing condition of delivery
  • Alloy Steel T1a
  • Chrome Moly Alloy T1a
  • 1200 °F [650 °C]
  • Hard finish/ Cold-finished A209 T1a tube -BK
  • Soft finished / Cold-finish T1a Steel tubing – BKW
  • Annealed ASTM A209 grade T1a round tube – GBK
  • Normalized UNS K11547 tubing – NBK
Manufacturing method of ASME SA209 T1a seamless tube A209 Gr T1a IBR Tube required quality test T1a tubing applications & uses
  • Cold drawn seamless UNS K11547 tube
  • Hot finished seamless A209 T1a tube

Contact verified SA 209 T1a boiler tube suppliers listed above, they also supplied Low Alloy A209 T1a heater tube in UAE, Saudi Arabia, Bahrain & Qatar, contact them directly for the best price

  • Tensile mechanical test
  • Hardness test
  • Hydrostatic Test
  • Nondestructive Electric Test
  • Flattening test
  • Bend Test

All above SA 209 T1a boiler tube suppliers are verified, they offer third party inspection, MTC EN 10204 3.1 and IBR certificate with delivery in UAE & Middle east countries

  • Boilers for 300°C boilers
  • Boiling water tube
  • Heat transfers
  • High-pressure piping systems
  • Oil and gas industry
  • Steam header
  • Automotive & transportation
  • Chemical industry
  • Petrochemical industry
European standard of ASTM A209 T1a seamless ferritic alloy tubes A209 T1a Boiler Tube approved ex-stock Heat treatment methods of SA 209 Gr T1a Tubing
  • EN 10216-2 (T1a Steel seamless boiler tube)
  • EN 10217-2 (SA 209 T1a welded tubing)
Above listed SA 209 T1a boiler tube suppliers offer ex-stock in in middle east with the following approvals

  • Qatar Gas
  • Saudi Aramco
  • Pemex
  • KOC
  • Petronas
  • Petrobras
  • PDO
  • Annealing
  • Cleaning
  • Quenching
  • Acid cleaning
  • Spray rust removal
  • Tempering

Expect inexpensive rates for sa209 t1a tubing from various Middle East importers. get the ASTM a209 t1a tubing latest price list and maximum hardness

Comparison of SA 209 T1a Tube with similar grades

Elements SA 209 T1a boiler tube ASTM A192
Molybdenum/ Moly (Mo) 0.44-0.65
Phosphorus (p) ≤0.025 0.035
Sulfur (S) ≤0.025 0.035
Silicon (Si) 0.10-0.50 0.25
Carbon (C) 0.15-0.25 0.06–0.18
Manganese (Mn) 0.30-0.80 0.27–0.63
Yield strength 195 Mpa 180 Mpa
Tensile strength 365 Mpa 325 Mpa
Temperature range Upto 650 °C upto 538°C

SA 209 T1a Boiler Tube Properties


Mill tolerance for hot formed T1a Steel tubes wall thickness

ASME SA209 T1a tubes NPS or DN UNS K11547 tubing Tolerance
( % from Specified)
Over Under
  • A209 T1a alloy steel tube 1/8 NPS to SA 209 Grade T1a tubing 2 1/2 NPS inclusive
  • all t/D ratios
20.0% 12.5%
  • Above SA 209 Gr T1a Tubing 2 1/2 NPS
  • t/D < or = 5%
22.5% 12.5%
  • Above T1a Boiler Tube 2 1/2 NPS
  • t/D > 5%
15.0% 12.5%

  • t means = Specified SA 209 T1a Tube wall thickness
  • D means = Specified A209 T1a Seamless Tube OD

Allowable or permissible variation of ASME SA209 T1a boiler tube outer diameter

SA 209 Gr T1a tube nominal pipe size
DN Designator Over Under
inch mm inch mm
  • 1/8 NPS UNS K11547 tube to 1 1/2 NPS A209 T1a tubing
[6–40], incl 1/64 0.40 1/64 0.40
  • Over 1 1/2 NPS SA 209 T1a tubing to 4 NPS ASTM A209 T1a round tube
[40 to 100], including 1/32 0.79 1/32 0.79
  • Over 4 NPS T1a Steel Tube to 8 NPS A209 Gr T1a IBR Tube
[100 to 200], including 1/16 1.59 1/32 0.79
  • Over 8 NPS SA 209 T1a Round Tube to 12 NPS A209 T1a tubing
[200 to 300], including 3/32 2.38 1/32 0.79
  • Over 12 NPS T1a chrome moly tube
[300] +/- 1% of the specified ASTM A209 T1a Seamless Tube outside diameter

A209 T1a Hot Finished Tube Marking

Marking heading
Grade number SA 213 T1a
Length of SA 209 T1a Tube 6 to 12 meter / Custom sizes
Schedule number Schedule 10 to Schedule XXS
Manufacturer’s Heat No to recognise A209 T1a material
Test name
  • S1 – SA209 T1a Superheater Tubes Analysis
  • S2 – A209 T1a Boiler Tube Transverse Tension Test
  • S3 – Flattening Test of SA209 T1a material
  • S4 – Etching Tests & Metal Structure
  • S5 – Photomicrographs
  • S6 – SA 209 Gr T1a Tubing Photomicrographs for Individual Pieces
  • S7 – Alternative Heat Treatment – required for SA 213 T91
Indicate ASTM A209 T1a Tube test method
  • Test Pressure – if Hydrostatic yes, Nondestructive No
  • Test Pressure/NDE – if Hydrostatic yes, Nondestructive yes
  • NDE – if Hydrostatic No, Nondestructive Yes
  • NH – if Hydrostatic No, Nondestructive No

Get the top 10 stockists who keep a huge stock of sa 209 t1a tube in Dubai, additionally know about the alloy steel ASTM a209 grade t1a seamless tubing manufacturing process

A formerly heated chuck is rolled across offset rolls to form a tubular shell to make ASTM A209 gr. T1a superheater tubes. The multi-stand rolling mill is then employed to lengthen an SA 209 T1a Tube Shell in order to obtain the appropriate wall width and a constrained spectrum of diameters. The diameter may then be obtained via a resizing collar, but only for substantial diameter adjustments. In comparison to Alloy Steel T1 Welded Tubing welded tubes of identical size when the same material is utilized, the operating pressure of ASTM A209 t1a seamless tube can stay significantly higher since there are no welds.

The alloy steel A209 comes in two different grades: ASTM A209 t1a and ASTM A209 t1b. The SA 209 T1a pipe has a higher carbon content than the ASTM A209 T1b tubes, which is how they differ from one another. The tensile strength for ASTM 209 t1a is 365 MPa or less, whereas the tensile strength for ASTM A209 t1b is 415 MPa or less. When compared to SA 209 T1a Boiler Tube, the yield point for ASTM A209 t1a is less than or equal to 220 MPa, while the yield strength is less than or equal to 193 MPa for ASTM A209 t1a. There is a difference in hardness between ASTM A209 t1a and t1b.

The SA 209 T1a tube’s maximum hardness is roughly 80 HRB. One variety of ASTM A209 steel is ASTM A209 grade T1a. The mentioned characteristics fit the normalized requirements. When contrasted with the other ASTM A209 steel varieties, it has the maximum toughness. Boiler tubes made to ASTM A209 grade T1A are substantially harder than its other similar grades. Applications requiring higher force, increased hardness, or superior fatigue strength than conventional carbon steel grades are the best candidates for Astm A209 T1a tubing. Alloy steel seamless tubing is frequently used in the chemistry, petrochemical, and oil and gas sectors as well as in boilers, enclosing tubes, and pipelines, particularly for low-fluid transmission.

Examine ASTM a209 t1a material specification dimensions and weight chart here, view ASTM a209 grade t1a boiler tube wall thickness

Seamless steel pipes that conform to ASTM A209 Grade T1a have a minimum wall thickness. These tubes have walls that are between 0.9 millimeters and 12.7 millimeters thick. The application determines the wall’s width. Because of their thick walls, such pipes shouldn’t exhibit any fractures or faults when they are introduced into the boiler and permitted to expand and bead. When handled appropriately, boiler pipes should withstand all forging, soldering, and folding processes. Since there are no junctions, seamless boiler pipes eliminate the possibility of flaws and variations in ductility. The price of the SA 209 T1a Pipe is relatively high in comparison to carbon steel.

A large number of traders of ASTM a209 t1a seamless tube in the GCC offer cut-to-length services. View ASTM a209 gr t1a superheater tube equivalent

Regarding ASTM A209 Grade T1a Alloy Steel tube, there seem to be 50 materials that are equivalent. Some similar alloys might be more restrictive, while others may not fall within the constraints of the starting source. When compared to other mechanical pipe, ASTM A209 t1a material has higher stiffness and better physical characteristics. Several materials that can be used as an ASTM A209 t1a equivalent are DIN 1.5419, DIN 22Mo4, DIN GS-22Mo4, DIN G20Mo5, etc. It is best suited to other grades for purposes that require hardness, fatigue strength, and max hardness.