ASTM A335 P22 alloy steel pipe
Quantity : 1000 Price : 1 000,00 €
ASTM A335 P11 Chemical Compositions(%)
Compositions | Data |
UNS Designa-tion | K21590 |
Carbon | 0.05-0.15 |
Manganese | 0.30-0.60 |
Phosphorus(max.) | 0.025 |
Sulfur(max.) | 0.025 |
Silicon | 0.50-1.00 |
Nickel | … |
Chromium | 1.90-2.60 |
Molybdenum | 0.87-1.13 |
Other Elements | … |
Mechanical properties for ASTM A335 P11
Properties | Data |
Tensile strength, min, (MPa) | 415 Mpa |
Yield strength, min, (MPa) | 205 Mpa |
Elongation, min, (%), L/T | 30/20 |
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 Hardness Test:
- P11 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.
Contact : Sum Xuu, 862133780199
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