High Temperature Carbon Steel Seamless Pipe /Tubes For Ships
Carbon steel seamless steel pipes used in shipbuilding are engineered to provide exceptional strength and durability for maritime applications. These pipes are manufactured without a seam, ensuring a consistent material structure that can withstand the harsh conditions and dynamic loads present in marine environments. They are designed to meet various international standards that dictate specific requirements for mechanical properties, chemical composition, and dimensional accuracy.
Applications:
- Pressure Piping: Utilized in the ship's piping systems for high-pressure applications, including hydraulic and pneumatic systems.
- Transportation of Fluids: Used for transporting oil, water, and other fluids within the ship's infrastructure.
- Boiler Systems: Employed in shipboard boilers for power generation and heating.
- Structural Components: Served as critical structural elements in the ship's framework.
- Refrigeration Systems: Used in marine refrigeration systems for cargo hold temperature control.
Functions:
- Pressure Containment: Capable of withstanding high pressures in various ship systems.
- Corrosion Resistance: Designed to resist corrosion from saltwater and other marine environments.
- Load Bearing: Serve as load-bearing elements in the ship's structure.
- Fluid Transport: Provide a conduit for the safe and efficient transport of fluids.
- Heat Transfer: Used in heat exchangers for temperature regulation in various processes.
Standard for Carbon Steel Seamless Steel Pipes for Shipbuilding:
Aspect | Description |
Standard | ABS, API, ASTM A106/A53, ASTM A333, DIN 2391, EN 10305, GB/T 8162, GB/T 8163 |
Grade | Commonly includes grades such as A, B, A53 Type F, SA106 Grade C, and others suitable for marine environments |
Chemical Composition:
Element | Typical Range (%) |
Carbon (C) | 0.05-0.30 depending on the grade |
Manganese (Mn) | 0.30-1.65 depending on the grade |
Phosphorus (P) | ≤ 0.035 |
Sulfur (S) | ≤ 0.035 |
Silicon (Si) | ≤ 0.35 |
Chromium (Cr) | Varies by grade, some grades may not include Cr |
Nickel (Ni) | Varies by grade, some grades may not include Ni |
Mechanical Properties:
Property | Typical Range |
Tensile Strength (MPa) | 380-620 depending on the grade |
Yield Strength (MPa) | 205-450 depending on the grade |
Elongation (%) | ≥ 20% (for most grades) |
Hardness | Varies based on heat treatment and grade |


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