About ASTM A335 P12 Seamless Pipes
What Are Specification ASTM A335 P12 Seamless Pipes?
| Size in Inch | 1/8NB TO 24NB inch |
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| ASTM Standards | ASTM A 335, and ASME SA 335 |
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| Type | Seamless Pipe |
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| Specialized in Size | Large Diameter Size |
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| Outer Dimensions Chart | 19.05milimeter 114.3milimeter |
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| Wall Thickness Chart | 2.0milimeter 14 milimeter |
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| Length in milimeter | max 16000milimeter |
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| Schedule Chart | Schedule 20 - XXS up to 250 milimeter thk. |
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| Pipe Form | Round, Rectangular, Square, Hydraulic Etc. |
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| Length | Single, Double Random & Cut to Length. |
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| Pipe & Tube End | Plain, Beveled, Treaded. |
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Equivalent material Of ASTM A335 P12 Seamless Pipes?
| ASTM Number | ASME Number | Equivalent Grade | JIS G 3458 Chart | UNS Number | BS Number | DIN Number | ISO Number | ABS Number | NK Numbero | LRS Number |
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| A335 P12 | SA335 P12 | T12 | STPA 23 | K12597 | 3604 P1 621 | - | - | ABS 12 | KSTPA 23 | - |
| ASTM Standard | British Standards institute(BSI) | Alloy P12 Steel Material |
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| A335 Gr. P12 | 3604/621 | 1 1/4% Cr 1/2% Mo |
Chemical Composition Of ASTM A335 P12 Seamless Pipes?
| Grade | UNS | C | Mn | P | S | Si | Cr | Mo |
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| P12 | K11562 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 0.80~1.25 | 0.44~0.65 |
Mechanical Properties Of ASTM A335 P12 Seamless Pipes?
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
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| 415 min | 205 min | 30 min |
Reliable High-Temperature PerformanceASTM A335 P12 pipes are designed for reliability under extreme heat and pressure conditions, making them ideal for critical applications such as boilers, superheaters, and power plants. The alloys composition and heat-treated finishes enhance strength and resistance to thermal stress, ensuring dependable operation in demanding industrial environments.
Versatility in Application and CustomizationThese seamless pipes accommodate a wide range of industrial uses with their customizable lengths, thickness, and diameter. Multiple end finishes and connection types allow seamless integration into a variety of systems in the oil & gas, petrochemical, and power sectors. Their adaptability makes them a preferred choice for complex projects.
Quality Assurance and CertificationEvery pipe undergoes rigorous hydrostatic, ultrasonic, and eddy current testing to guarantee structural integrity. Customers can request third-party inspection and receive internationally recognized certificates (EN 10204 3.1/3.2), ensuring full compliance with ASTM standards and project specifications for safety and performance.
FAQs of ASTM A335 P12 Seamless Pipes:
Q: How are ASTM A335 P12 Seamless Pipes manufactured?
A: These pipes are produced using a seamless hot-finished or cold-drawn process, followed by advanced heat treatment methods such as quenching, tempering, normalizing, or annealing, ensuring high strength and reliability for high-temperature service.
Q: What applications are suitable for P12 seamless pipes?
A: ASTM A335 P12 pipes are primarily used in high-temperature environments, such as boilers, heat exchangers, superheaters, power plants, oil and gas industries, and petrochemical facilities, where durability and corrosion resistance are essential.
Q: When is third-party inspection recommended for these pipes?
A: Third-party inspection is recommended when end-users require independent validation of product quality, ensuring compliance with ASTM/ASME standards and project specifications. It can be arranged at any stage prior to shipment.
Q: Where can ASTM A335 P12 Seamless Pipes be supplied from?
A: These pipes are manufactured, supplied, and exported by reputable companies in India, and can be shipped globally with seaworthy packaging to ensure safe delivery.
Q: What is the standard marking and certification process for these pipes?
A: Pipes are marked according to ASTM regulations, and each shipment can be accompanied by EN 10204 3.1 or 3.2 certificates, providing traceability and assurance of compliance with international standards.
Q: How are the pipes tested for quality and safety?
A: Pipes undergo hydrostatic, ultrasonic, and eddy current testing to detect defects and verify performance, ensuring that only pipes meeting stringent quality criteria reach the customer.
Q: What benefits do ASTM A335 P12 Seamless Pipes offer to end-users?
A: They deliver excellent corrosion resistance, high mechanical strength, and longevity in extreme temperatures, reducing maintenance needs and ensuring operational continuity in vital industrial processes.