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CHROME MOLY PIPE MANUFACTORY
CHROME MOLY PIPE MANUFACTORY
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ASTM A335 P9 Alloy Steel Pipes

CHROME MOLY PIPE MANUFACTORY
CHROME MOLY PIPE MANUFACTORY
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-3378-0199
Contact Person:
Miss Cauli

ASTM A335 P9 Alloy Steel Pipes

Brand Name : SunnySteel
Model Number : ASTM A335 P9 Alloy Steel Pipes
Certification : ISO, DIN, JIS
Place of Origin : China
MOQ : 10 tongs
Price : 1000
Payment Terms : L/C, D/P, T/T
Supply Ability : 10000000000 tons/day
Delivery Time : within 30 days
Packaging Details : Packed in wooden crates, wrapped in plastic, and suitably protected for sea-worthly delivery or as requested.
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ASME SA 335 Grade P9 Alloy Steel Seamless Pipes are Carbon Steel Pipes with subsequent addition of chromium, molybdenum and sometimes vanadium are known as chrome moly Pipes. ASME Specification alloy steel Pipes are used for high temperature service applications. Seamless Alloy Steel Pipes according to ASME SA 335 Grade P9 are reheated and furnished in full annlealed,isothermal annealed or normalised quenched and tempered condition. ASME SA 335 Grade P9 Alloy Steel Seamless Pipes have a typical chemistry with additions of 8.00-10.00 Chromium and 0.90-1.10 Molybdenum. Bearing minimum tensile strength of 415 Mpa ASME SA 335 Grade P9 Pipes have a minimum yield strength of 205 Mpa.
ASTM A335 P9 Alloy Steel Pipes
ASTM A335 P9 is the part of ASTM A335, The pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding. The steel material shall conform to chemical composition, tensile property, and hardness requirements.
Each length of pipe shall be subjected to the hydrostatic test. Also, each pipe shall be examined by a non-destructive examination method in accordance to the required practices.
The different mechanical test requirements for pipes, namely, transverse or longitudinal tension test, flattening test, and hardness or bend test are presented.Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Material & Manufacture
  • Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment
  • A / N+T
  • N+T / Q+T
  • N+T
Mechanical Tests Specified
  • Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
  • For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
  • For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.
Notes for Bend Test:
  • For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
  • Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
  • The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.
ASME SA 335 Grade P9 specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. ASME SA 335 Grade P9 Alloy Steel Seamless Pipes ordered to this specification shall be suitable for bending, flanging, and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.ASME SA 335 Grade P9 Pipes may be either hot finished or cold drawn with the finishing treatment. SA 335 Pipes can be provided in quenched and tempered conditions.
Inspection certification:
The Manufacturer shall provide Material Test certificate of inspection to the purchaser stating that the material has been manufactured, sampled, tested, and inspected in accordance with ASME SA 335 Grade P9( including year of issue), and has satisfied all the requirements of ASME SA 335.In addition to the information required by Specification A 999/A 999M, the certification shall state whether or not the pipe was hydrostatically tested. If the pipe was nondestructively examined, the certification shall state and show which practice was followed and what reference discontinuities were used.
Chemical Requirements of ASTM A335 P9
Wall thickness is average wall or according to ASME SA530.


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