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Seamless Alloy Steel ASTM A335 P92 Pipe for High Pressure Boiler
ASTM A335 P92 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.
1. Ordering Information
Quantity (feet, meters, or number of lengths),
Name of material (seamless alloy steel pipe),
Grade (P92),
Manufacture (hot-finished or cold-drawn),
Size using one of the following:
NPS and schedule number;
Outside diameter and nominal wall thickness;
Outsider diameter and minimum wall thickness;
Inside diameter and nominal wall thickness;
Inside Diameter and minimum wall thickness.
Length (specific or random)
End finish (plain end or bevel end)
2. Standards:
ASTM A335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
3. Application:
For high pressure boiler and steam header pipes; petrochemical industry pipes; thermal power plant; nuclear power plant; USC boiler.
4. Chemical Requirements
| Chemical Requirements | |||||||||
| Grade | UNS Designation | Composition, % | |||||||
| C | Mn | P max | S max | Si | Cr | Mo | Others | ||
| P92 | K92460 | 0.07-0.13 | 0.30-0.60 | 0.020 | 0.010 | 0.50 max | 8.50-9.50 | 0.30-0.60 | V 0.15-0.25 |
| N 0.03-0.07 | |||||||||
| Ni 0.40 max | |||||||||
| Al 0.02 max | |||||||||
| Cb 0.04-0.09 | |||||||||
| W 1.5-2.00 | |||||||||
| B 0.001-0.006 | |||||||||
| Ti 0.01 max | |||||||||
| Zr 0.01 max | |||||||||
5. Available Size Range
| OD | Thickness | ||
| mm | inch | mm | SCH |
| 88.9~1422 | 3''~ 56'' | 2.11~140 | ≥SCH10 |
| *If the steel grades and size you are looking for are not listed above, please contact us for further information. | |||
6. Tensile Requirements
Tensile Strength min.: 90ksi620MPa
Yield Strength min.: 64ksi/440MPa
7. Inspection & Test
Chemical composition, mechanical properties ( tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact test), surface and dimension, NDE, hydrostatic test.
8. Manufacture
Hot Rolled or Cold Drawn
9. Manufacturing Process
Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping
10. Supplementary Requirements
S1. Product Analysis
S2. Transverse Tension Tests
S3. Flattening Test
S4. Metal Structure and Etching Tests
S5. Photomicrographs
S6. Photomicrographs for Individual Pieces