A335 P5 Seamless Ferritic Alloy-Steel Pipe
Dec 03, 2025
A335 P5 Seamless Ferritic Alloy-Steel Pipe description
ASTM A335 P5 alloy pipe is a widely used alloy steel pipe for high-temperature and high-pressure environments, primarily applied in equipment and pipelines for oil, natural gas, chemical, and power industries. 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.
ASTM A335 P5 Seamless Alloy Steel Pipe specification
| Size in Inch | 1/8NB TO 24NB inch |
| ASTM Standards | ASTM A 335, and ASME SA 335 |
| Type | Seamless Pipe |
| Specialized in Size | Large Diameter Size |
| Outer Dimensions Chart | 19.05milimeter – 114.3milimeter |
| Wall Thickness Chart | 2.0milimeter – 14 milimeter |
| Length in milimeter | max 16000milimeter |
| Schedule Chart | Schedule 20 - XXS up to 250 milimeter thk. |
| Pipe Form | Round, Rectangular, Square, Hydraulic Etc. |
| Length | Single, Double Random & Cut to Length. |
| Pipe & Tube End | Plain, Beveled, Treaded. |
ASTM A335 P5 Chemical Composition:
|
GRADE |
C,max |
Mn |
P, max |
S, max |
Si |
Cr |
Mo |
|
P5 |
0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.25-1.00 |
8.00-10.00 |
0.90-1.10 |
ASTM A335 P5 Machanical Property:
Tensile Strength( min., psi)：ksi 60;MPa 415;
Yield Strength(min., psi)：ksi 30;MPa 205;
Applications of ASTM A335 P5 Alloy Pipes
Oil & Gas Industry: Used in oil well drilling, oil/gas transmission pipelines, and refinery equipment.
Chemical Industry: Used in reactors, heat exchangers, and towers.
Power Industry: Used in boilers, steam turbines, and piping systems.
Shipbuilding: Used in steam pipelines and boiler systems.
Test and inspection
A335 P5 Alloy Pipe Factory
