Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | According to client requirements |
| Delivery Time | Depends on the quantity |
| Packaging Details | Ply-wooden Case / Iron Case / Bundle with Plastic Cap |
| Product Name | Alloy Steel Seamless Tube |
| Specification | ASTM A213 / ASME SA213 |
| Material | T9 |
| Type | Seamless |
| Ends | Plain End, Beveled End |
| Application | Boiler, Superheater, Heat exchanger |
| Brand Name | YUHONG |
| Model Number | ASTM A213 T9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | According to client requirements |
| Delivery Time | Depends on the quantity | Packaging Details | Ply-wooden Case / Iron Case / Bundle with Plastic Cap |
| Product Name | Alloy Steel Seamless Tube | Specification | ASTM A213 / ASME SA213 |
| Material | T9 | Type | Seamless |
| Ends | Plain End, Beveled End | Application | Boiler, Superheater, Heat exchanger |
| Brand Name | YUHONG | Model Number | ASTM A213 T9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | ASTM A213 T9 alloy steel tube ，seamless boiler superheater tube ，alloy steel tube with warranty | ||
ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater
ASTM A213 T9 is a standard specification for seamless ferritic and austenitic alloy steel boiler, superheater, and heat-exchanger tubes. The T9 grade is a specific chromium-molybdenum alloy steel known for its excellent elevated temperature strength and oxidation resistance.
1. Key Characteristics & Applications
Primary Use: These tubes are primarily designed for high-temperature service environments, making them ideal for:
Power Generation Boilers: Superheater and reheater tubes.
Fossil Fuel Plants: Heat exchangers, condenser tubes, and piping systems.
Petrochemical Industry: Components in refineries and chemical processing equipment where resistance to corrosion and heat is critical.
Main Advantages:
Good Elevated Temperature Strength: Maintains structural integrity and resists creep (deformation under long-term stress at high temperatures).
Oxidation Resistance: The chromium content provides a protective oxide layer, preventing scaling and degradation in oxidizing atmospheres.
Weldability and Formability: Can be welded and fabricated using standard procedures suitable for chromium-molybdenum steels.
2. Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.25 - 1.00 |
| Chromium (Cr) | 8.00 - 10.00 |
| Molybdenum (Mo) | 0.90 - 1.10 |
3. Mechanical Properties
| Property | Requirement |
|---|---|
| Tensile Strength | ≥ 415 MPa (60 ksi) |
| Yield Strength | ≥ 205 MPa (30 ksi) |
| Elongation | ≥ 30% (in 2 inches or 50mm) |
4. Manufacturing Standard
The tubes are manufactured as seamless (without a weld seam) through a process like extrusion or piercing, ensuring uniformity and strength throughout the tube's circumference. This makes them highly reliable for high-pressure applications.
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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