ASTM A335 P92 High pressure boiler pipes
Quantity : 1000 Price : 1 000,00 €
ASME SA335 P92,ASTM A335,ASTM A335 P92,High pressure boiler pipes
- Outer Dimensions: 19.05mm - 114.3mm
- Wall Thickness: 2.0mm-14 mm
- Length: max 16000mm
Chemical Requirements of ASTM A335 P92
| UNS Designation | K92460 |
| Carbon | 0.07–0.13 |
| Manganese | 0.30–0.60 |
| Phosphorus(max) | 0.02 |
| Sulfur(max) | 0.01 |
| Silicon | 0.50 max |
| Chromium | 8.50–9.50 |
| Molybdenum | 0.30–0.60 |
| V | 0.15-0.25 |
| N | 0.03-0.07 |
| Ni (max) | 0.4 |
| Al(max) | 0.02 |
| Cb | 0.04-0.09 |
| W | 1.5-2.00 |
| B | 0.001-0.006 |
| Ti (max) | 0.01 |
| Zr(max) | 0.01 |
Mechanical Properties of ASTM A335 P92
| Properties | Data |
| Tensile strength, min, (MPa) | 620 |
| Yield strength, min, (MPa) | 440 |
| Elongation, min, (%), L/T | 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 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.
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