ASTM A335 Seamless P9 Ferritic Alloy Steel Boiler Pipe

ASTM A335 Seamless P9 Ferritic Alloy Steel Boiler Pipe

YUHONG Group offers ASTM A335 / ASME SA335 P9 SMLS ferritic alloy steel pipes and we sell these pipes in more than 70 countries up to now. This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for hightemperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. 

A335 P9 exhibits excellent strength at high temperatures, making it suitable for applications involving high temperature service conditions. It also has high corrosion resistance, so this is very important in applications where pipes are exposed to corrosive environments or fluids.

A335 P9 has good creep resistance. Creep is the tendency of a material to permanently deform under mechanical stress, especially at high temperatures. This feature ensures the long-term reliability of the pipeline under high temperature and high pressure conditions.

Besides, compared to some other high-alloy materials, A335 P9 offers a good balance of performance and cost-effectiveness, making it a popular choice for a variety of industrial applications.

Specifications

Test Required

Chemical Analysis/ Mechanical Properties/ Hardness Test/ Grain Size

Flaring Test/ Tension Test/ Hydrostatic Test / Nondestructive Electric Test,etc

Chemical Composition max % P9 / K90941

Mechanical Property

Heat Treatment Requiirements P9

Heat Treat Type : Full or isothermal anneal or normalize and temper

Subcritical Annealing or Tempering Temperature, min or range °F [°C] : 1250 [675]

Applications Industries

Boiler and Heat Exchanger

High-Temperature Services                                            

Petrochemicals and Refining

Thermal Power Plants

Fabrication and Construction

Energy Field- Nuclear Power Generation,Tidal Power Generation,etc.

Environmental Protection Field- Gas Processing,Waste Water Treatment,etc.