Product Details
Product Description
Product Description
Alloy Steel Pipes For High Temperatures of ASTM A335 grades P5, P9, P11, P22, P91
We are one of the leading Manufacturers, Supplier and Exporters of ASTM A335 Alloy Steel Seamless Pipes that is using high quality raw materials. All products are industry-standard conforming to or exceeding API, ASTM, ASME, ANSI and other national and international standards. These pipes are available in different size, specification, grades & thikness as per the clients requirements.
Astm A335 standard specication for seamless ferritic alloy-steel pipe for high-temperature service
ASTM A335 standard is issued under the fixed designation A 335/A 335M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval.
Standard:
ASTM A335 P5
ASTM A335 P9
ASTM A335 P11
ASTM A335 P22
ASTM A335 P91
These pipes are widely used in different various application such as oil & gas, power plants, ship building, heavy engineering industries etc. We offer these Pipe at best effortable rates to our clients in the market.
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 Hardness Test:
P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
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.
Hydrostatic Test
The inside diameter of the bend shall be 1 inch [25 mm].
Each length of pipe shall be Hydro tested, at option of manufacture nondestructive electric testing can be used.
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