Tubería ASTM A333
SSM supplies ASTM A333 Seamless and Welded Steel carbon steel pipe

A333 Carbon Steel Seamless welded pipes for Low-Temperature Uses
SSM ofrece tuberías sin costura, soldadas por resistencia eléctrica (ERW) y por arco sumergido (SAW), fabricadas según las especificaciones API 5L para la industria del petróleo y el gas, cumpliendo diversos requisitos de rendimiento mecánico y resistencia a la corrosión. Los parámetros específicos del producto y las tablas de rendimiento correspondientes son los siguientes:
El proveedor de acero al carbono soldado y sin costura API 5L, SSM, proporciona los parámetros del producto que se muestran en la siguiente tabla:
Elementos | Parámetros |
sobredosis | Sin costuras desde 2″ NPS hasta 36″ OD ERW de 2″ NPS a 24″ OD Sierra circular de 20″ a 48″ de diámetro exterior |
Peso | Las especificaciones de espesor de pared comunes incluyen SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, XXS (pared extra fuerte), etc. |
Longitud | 20 pies (6 metros) o 40 pies (12 metros), según los requisitos del cliente. |
Calificación | Grade 1, Grade 3, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10, Grade 11 |
Normas | ASTM A333 / ASME B36.10 M |
Composición química y propiedades mecánicas
SSM supplies seamless and welded carbon pipes. Here’s a summary of the typical chemical composition and mechanical properties of ASTM A333 pipes:
Elemento | Carbon (C), % | Manganese (Mn), % | Phosphorus (P), % | Sulfur (S), % | Silicon (Si), % |
Grade 1 | 0,30 máximo | 0.40 – 1.06 | 0,025 máximo | 0,025 máximo | … |
Grade 3 | 0.19 max | 0.31 – 0.64 | 0,025 máximo | 0,025 máximo | 0.18 – 0.37 |
Grade 6 | 0,30 máximo | 0.29 – 1.06 | 0,025 máximo | 0,025 máximo | 0.10 – 0.35 |
Grade 7 | 0.19 max | 0,90 máximo | 0,025 máximo | 0,025 máximo | 0.13 – 0.32 |
Grade 8 | 0.13 max | 0.90 – 1.20 | 0,025 máximo | 0,025 máximo | 0.13 – 0.32 |
Grade 9 | 0.20 max | 1.60 – 2.10 | 0,025 máximo | 0,025 máximo | 0.10 – 0.50 |
Grade 10 | 0.20 max | 1.15 max | 0.030 max | 0.030 max | … |
Grade 11 | 0.10 max | 0,35 máximo | 0,035 máximo | 0,035 máximo | 0,35 máximo |
Las propiedades mecánicas de cada grado también difieren:
Calificación | Tensile Strength, min (MPa) | Yield Strength, min (MPa) | Elongation in 2 in. or 50 mm, min % |
Grade 1 | 380 – 550 | 205 | 35 |
Grade 3 | 450 – 620 | 240 | 30 |
Grade 6 | 415 – 585 | 240 | 30 |
Grade 7 | 450 minutos | 240 | 30 |
Grade 8 | 690 min | 515 | 22 |
Grade 9 | 435 min | 315 | 28 |
Grade 10 | 550 – 760 | 450 | 22 |
Grade 11 | 450 minutos | 240 | 30 |
Requisitos de fabricación y tolerancia
Métodos de fabricación
Seamless Pipes: For seamless ASTM A333 pipes, the steel is formed into a solid cylindrical shape without seams. This process involves hot or cold drawing of the steel billet through a mandrel to create the pipe’s outer diameter and wall thickness.
Welded Pipes: Welded ASTM A333 pipes are formed by rolling and welding a flat steel plate into a cylindrical shape. Welded pipes can be produced using several methods such as Electric Resistance Welding (ERW), Submerged Arc Welding (SAW), or Electric Fusion Welding (EFW).
Advantages and Disadvantages of ASTM A333 Pipes
ASTM A333 pipes offer significant advantages in low-temperature applications where toughness and impact resistance are critical. However, their use is specialized and primarily suited for industries and processes that operate in extreme cold environments. Careful consideration of cost, application requirements, and alloying elements is essential when choosing ASTM A333 pipes for specific projects.
Ventajas:
SSM offers a333 pipes that can operate at extremely low temperatures of -320°F (-195°C) and have good strength properties and are easy to weld, which facilitates installation and maintenance. Different grades of material also provide good corrosion resistance.
Desventajas:
Due to A333 pipes’ alloying elements and manufacturing process. ASTM A333 pipes cost more than ordinary carbon steel pipes, and are designed specifically for low-temperature services, which limits their main application range
Applications of ASTM A333 Pipes
- Low-Temperature Services
- Industria del petróleo y el gas
- Generación de energía
- Procesamiento químico
- Refinery Applications
- Pipelines for LNG (Liquefied Natural Gas)
- Aplicaciones estructurales

Comparison of ASTM A53 and A333 Pipes
The choice between ASTM A53 and ASTM A333 pipes depends largely on the specific temperature and pressure requirements of the application. ASTM A53 is ideal for mechanical and pressure applications, as well as general uses in steam, water, gas, and air lines. In contrast, ASTM A333 is preferred for low-temperature service where impact toughness and resistance to brittle fracture are critical. Each specification offers distinct advantages tailored to their respective service conditions in various industrial sectors.
Normas | ASTM A53 | ASTM A333 |
Grados de materiales | Grado A, Grado B | Grade 1, Grade 3, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10, Grade 11 |
Enfoque de la aplicación | Mechanical and pressure applications, ordinary uses in steam, water, gas, and air lines | Low-temperature applications down to -150°F (-101°C) |
Composición química | Higher carbon content, suitable for mechanical applications | Lower carbon content, includes alloying elements for low-temperature toughness |
Propiedades mecánicas | Higher tensile and yield strengths, suitable for mechanical applications | Lower tensile and yield strengths, adequate for low-temperature service |
Fabricación | Typically electric resistance welded (ERW) or seamless | Can be seamless or welded, depending on grade |
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