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ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
Specifications
Brand Name :
YUHONG
Model Number :
ASME SA209 T1a Carbon Steel U Bend Tube
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
1000kgs
Payment Terms :
L/C,T/T
Packaging Details :
Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Product Name :
U Bend Tube
Standard Grade :
ASTM A209, ASME SA209
OD :
1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.
Thickness :
BWG10-25
Radius :
Can Custom
Surface Condition :
Oil, Black Painting
High Light :
ASME SA209 T1a Carbon Steel Boiler Tube, Seamless Steel U Bend Tube, Superheater Tube
Description

ASME SA209 Grade T1a Carbon Steel Boiler Tube Superheater Tube Seamless Steel U Bend Tube

ASTM A209 / ASME SA209 T1b is a seamless carbon-molybdenum alloy steel tube grade used for elevated-temperature boiler and heat exchanger service. When formed into a U-bend, it refers to a seamless tube bent into a U-shape, typically stress-relieved after bending, to allow thermal expansion in applications such as boiler superheaters, water walls, and shell & tube heat exchangers. The "T1b" grade contains 0.44–0.65% molybdenum for improved creep strength at temperatures up to ~1000°F (538°C).

Alternative Material Recommendation

If you need… Consider…
Higher oxidation resistance A213 T11 (1.25Cr-0.5Mo)
Higher creep strength above 550°C A213 T22 (2.25Cr-1Mo)
Lower cost, lower temp (<450°C) A179 plain carbon
Resistance to hydrogen attack A213 T5 or T9

Equivalent Grade of ASME SA209 Carbon Steel Tube

DIN EN BS NFA ASTM ASME
DIN 17175 Grade 16Mo5 – – – ASTM A209 GradeT1 ASME SA 209 Grade T1 –

Chemical Composition% of ASTM A209/ ASME SA209 T1b Carbon Steel Boiler Tube U Bend Tube

Grade C Mn P S Si Mo
T1 0.10-0.20 0.30-0.80 ≤0.025 ≤0.025 0.10-0.50 0.44-0.65
T1a 0.15-0.25 0.30-0.80 ≤0.025 ≤0.025 0.10-0.50 0.44-0.65
T1b 0.14 max 0.30-0.80 ≤0.025 ≤0.025 0.10-0.50 0.44-0.65

Mechanical Properties of ASTM A209/ ASME SA209 T1b Carbon Steel Boiler Tube U Bend Tube

Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation %

Hardness

HRB
T1 ≥380 ≥205 ≥30 ≤80
T1a ≥365 ≥195 ≥30 ≤81
T1b ≥415 ≥220 ≥30 ≤77

Inspection & Testing (per ASTM A209)

  • Tensile & Flattening Test: Ensures ductility.

  • Flare Test: Checks for soundness and ability to deform plastically.

  • Hydrostatic or NDT: Either a hydrostatic pressure test or an electromagnetic (eddy current) test is required.

  • Dye Penetrant (PT) or Magnetic Particle (MT): On U-bends, to detect surface cracks after bending and stress relieving.

Applications

  • Boiler Water Wall Panels: Circulating water/steam mixture.

  • Superheater & Reheater Sections: Exposed to high-temperature flue gas (up to ~1000°F / 538°C).

  • Shell & Tube Heat Exchangers: U-tube bundles allow the bundle to be pulled for cleaning and accommodate thermal expansion without requiring an expansion joint.

  • Hydrocarbon Processing: High-temperature heat exchangers in oil refineries and petrochemical plants.

ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
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ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube

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Product Detail
Brand Name :
YUHONG
Model Number :
ASME SA209 T1a Carbon Steel U Bend Tube
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
1000kgs
Payment Terms :
L/C,T/T
Contact Supplier
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube
ASME SA209 T1a Carbon Steel Boiler Tube Seamless Alloy steel U Bend Superheater Tube

YUHONG HOLDING GROUP CO., LTD

Verified Supplier
3 Years
ningbo
Since 1990
Business Type :
Manufacturer, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Heat Exchanger Tube, Studded Tube, Duplex Stainless Steel Heat Exchanger Tube
Total Annual :
50M-70M
Employee Number :
50~800
Certification Level :
Verified Supplier
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