A335 P5 Chrome Pipe
Dec 03, 2025
P5 Chrome Moly Pipe description
ASTM A335 P5 Alloy Steel Pipe is a chromium-molybdenum alloy steel pipe primarily used in high-temperature and high-pressure environments, widely applied in equipment and pipelines for industries such as oil, natural gas, chemical, and power. Its composition includes chromium and molybdenum, which significantly enhance high-temperature resistance and corrosion resistance, making it particularly suitable for supercritical and ultra-high-pressure steam transportation.
In the oil and gas industry, ASTM A335 P5 alloy pipes are commonly used to convey high-temperature and high-pressure fluids, especially in equipment like chemical reactors, boilers, and heat exchangers. Additionally, it is extensively utilized in power plants, particularly in superheaters and reheaters of steam boilers, as these components endure extreme temperature and pressure conditions during operation.
Astm A355 P5 Alloy Steel Pipe specification
| Grade | P5 |
|---|---|
| Specifications | ASTM A335 / SA335 |
| Supplier in Thickness Range | 0.3 – 50 mm thick |
| O.D. | Sizes up to 12 inch NB, 6.00 mm Other Dia. upto 250 mm Other Dia. |
| Finish | Annealed & Pickled, Polished, Bright & Annealed, etc |
| Standard | ASME, AISI, EN, ASTM, GB, JIS, DIN |
| Schedule Thickness Ranges | SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules |
| Sizes | 5.0 milimeter - 1219.2 milimeter |
| Form | "U" Shape, Square, Pan Cake Coils, Coiled, Rectangular, Round, Hydraulic Tubes. |
| End | Screwed, Beveled, Threaded, Plain |
| Type | Welded | CDW | ERW | DOM | Seamless | Fabricated | CEW |
| Specialized in | Heavy Duty Alloy Steel Drill Pipes, Alloy Steel Pipes Clamp Suppliers |
| Length | Single Random, Double Random, Cut to length |
ASTM A335 Gr P5 Composition
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| 0.015 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 4.00-6.00 | 0.45-0.65 |
ASTM A335 P5 Properties
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
A335 P5 seamless steel pipes are widely used in the following fields:
- Steam turbines: A335 P5 seamless steel pipes are widely used in steam turbines, capable of withstanding high-temperature and high-pressure working environments.
- Atmospheric and vacuum distillation units: 5-70mm thick A335P5 alloy steel pipes are mainly used in the bottom pipelines of atmospheric and vacuum distillation units, including furnace tubes for atmospheric and vacuum furnaces.
- Catalytic cracking units: A335P5 alloy steel pipes are used in high-temperature slurry, catalyst, and recycle oil pipelines, as well as high-temperature sulfur-containing oil and gas pipelines.
- Delayed coking units: A335P5 alloy steel pipes are mainly used in the high-temperature feed pipelines at the bottom of coke towers and the oil and gas pipelines at the top of the towers, including furnace tubes for coking furnaces and bottom pipelines for fractionation towers.
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