Yuhong Group Co.,Ltd
| Delivery Time | 50-120 days |
| Payment Terms | L/C,T/T |
| Material | ASTM A213 T11 |
| Application | Superheaters |
| Supply Ability | 5000 meters/day |
| Product | Studded Fin Tubes |
| Package | Iron frame wooden case |
| Packaging Details | Iron frame wooden case |
| Model Number | N/A |
| Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Place of Origin | China |
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Product Specification
| Delivery Time | 50-120 days | Payment Terms | L/C,T/T |
| Material | ASTM A213 T11 | Application | Superheaters |
| Supply Ability | 5000 meters/day | Product | Studded Fin Tubes |
| Package | Iron frame wooden case | Packaging Details | Iron frame wooden case |
| Model Number | N/A | Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 | Place of Origin | China |
| High Light | ASTM A213 T11 boiler tubes ，high-temp alloy superheater tubes ，alloy boiler tubing with warranty | ||
Designed for critical thermal application environments, our ASTM A213 Grade T11 (ASME SA213 T11) seamless low-alloy steel tubes represent the industry standard for superheaters, reheaters, and high-pressure steam systems. Formulated with a balanced nominal composition of 1.25% Chromium and 0.5% Molybdenum (1.25Cr-0.5Mo-Si), T11 tubing delivers superior creep-rupture strength, high thermal conductivity, and exceptional resistance to steam-side oxidation and hydrogen attack at operating temperatures up to 565°C (1050°F).
Manufactured via precision hot-finished or cold-drawn seamless processes, each tube undergoes normalized and tempered (N+T) heat treatment to guarantee uniform microstructural stability and optimal ductility under thermal cycling.
Our ASTM A213 T11 tubing is supplied in standard and customized dimensional profiles engineered to meet strict ASME Section I and Section VIII boiler build codes:
Outer Diameter (OD): 1/8" to 5" (3.2 mm to 127 mm)
Wall Thickness (WT): 0.015" to 0.500" (0.4 mm to 12.7 mm) in Minimum Wall (MW) or Average Wall (AW) options
Length: Single Random (5–7 m), Double Random (10–12 m), or Custom Cut-to-Length
Manufacturing Craft: Cold Drawn (smooth finish, high tolerance) or Hot Finished (heavy wall applications)
End Finishes: Plain End (PE), Beveled End (BE) for welding, or Threaded
Surface Protection: Anti-corrosion light oil coating, black varnish, or pickling/passivation
The precise elemental chemistry of ASTM A213 T11 ensures structural integrity and high-temperature corrosion performance:
| Element | Specification Limits (%) |
|---|---|
| Carbon (C) | 0.05 – 0.15 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | 0.50 – 1.00 |
| Chromium (Cr) | 1.00 – 1.50 |
| Molybdenum (Mo) | 0.44 – 0.65 |
| Property | Standard Requirement |
|---|---|
| Tensile Strength, min. | 415 MPa (60 ksi) |
| Yield Strength, min. | 205 MPa (30 ksi) |
| Elongation in 2 in. (50 mm), min. | 30% |
| Hardness, max. | 163 HBW / 85 HRB |
| Max Service Temp (Creep-Limit) | 565°C (1050°F) |
Every length of ASTM A213 T11 superheater tubing undergoes rigorous non-destructive and destructive testing in compliance with ASTM A1016/A1016M standards before dispatch:
Hydrostatic Testing: 100% factory hydrostatic pressure tested to verify pressure boundary integrity without leakage.
Non-Destructive Electric Testing (NDT): Ultrasonic Testing (UT) or Eddy Current Testing (ET) performed across full tube length to detect surface/subsurface flaws.
Mechanical Mechanical Tests:
Flattening Test: Ensures weldability and material ductility without cracking.
Flaring / Expanding Test: Confirms tube end expandability during header insertion.
Hardness Testing: Verified via Brinell or Rockwell scales to ensure compliance with heat-treatment boundaries.
Dimensional & Surface Inspection: Full-length laser micrometer measurement to verify OD and WT tolerances.
Material Traceability: 100% Positive Material Identification (PMI) verified with EN 10204 3.1 Mill Test Certificates provided with every shipment.
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Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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