| Brand Name: | YUHONG |
| Model Number: | ASME SA209 T1a Carbon Steel U Bend Tube |
| MOQ: | 1000kgs |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Payment Terms: | L/C,T/T |
ASME SA209 Grade T1a Carbon Steel Boiler Tube Superheater Tube Seamless Steel U Bend Tube
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.
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.