ASTM A333/ASME SA333 Grade 6 Low Pressure Carbon Boiler Steel Pipe
1. Product Description: ASTM A333/ASME SA333 Grade 6 Low Pressure Carbon Boiler Steel Pipes are designed for use in low-pressure boiler systems and other thermal applications. These pipes are manufactured from carbon steel and are seamless, ensuring uniform wall thickness and exceptional structural integrity. The Grade 6 specification indicates a particular level of mechanical properties that are suitable for moderate temperature and pressure conditions.
2. Product Parameters:
Parameter | Description |
Grade | ASTM A333/ASME SA333 Grade 6 |
Material | Carbon Steel (Seamless) |
Standard | ASTM A333, ASME SA333 |
Size Range | Various diameters and wall thicknesses as per ASTM/ASME standards |
Length | Standard lengths, customizable upon request |
Ends | Plain ends, beveled ends, threaded, or socket-weld ends |
Surface Treatment | As-rolled, annealed, or normalized |
3. Mechanical Properties:
Property | Requirement |
Tensile Strength | ≥415 MPa (60,000 psi) |
Yield Strength | ≥240 MPa (35,000 psi) |
Elongation | ≥20% in 50 mm (2 in) or 4D, whichever is greater |
Hardness | Varies depending on heat treatment and processing |
4. Chemical Composition:
Element | Typical Range (%) |
Carbon | 0.26 - 0.34 |
Manganese | 0.35 - 0.65 |
Phosphorus | ≤ 0.025 |
Sulfur | ≤ 0.025 |
Silicon | ≤ 0.35 |
5. Product Uses:
- Boiler Tubes: Used in low-pressure boiler systems for steam generation.
- Heat Exchangers: Employed in heat exchangers operating at moderate temperatures and pressures.
- Process Piping: Suitable for use in process piping within chemical and petrochemical plants.
- General Construction: Utilized in various construction projects where moderate temperature and pressure resistance is required.
6. Product Grade Standards:
- ASTM A333: This standard specifies the requirements for seamless and welded steel pipes for low-temperature service.
- ASME SA333: This standard is similar to ASTM A333 and is used in conjunction with ASME Boiler and Pressure Vessel Code.
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