ASME / ASTM A335 Alloy Steel P91 Pipes Manufacturer
ASTM A335 Alloy Steel P91 pipes are perfect for the industrial needs. This type of pipe is made from various alloys, which give it its unique properties that make it suitable for many applications.
The ASTM A335 P91 Pipes come in two types: seamless and welded. Seamless pipes are those that are made without any welds or seams. They are more expensive but provide better performance as they have fewer weak points than welded pipes. Welded pipes, on the other hand, involve welding together pieces of metal to form a new pipe. They are cheaper but not as durable as their seamless counterparts. It is important to note that both types of these pipes meet the same technical standards set by ASTM International (formerly known as American Society for Testing and Materials).
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ASTM A335 P91 Pipe are commonly used in power plants, oil refineries, petrochemical plants, and other industrial facilities where there is a need for higher temperature resistance than what traditional carbon steel can provide. Moreover, this type of pipe has good creep strength at elevated temperatures and can withstand high pressure levels. The applications of these types of alloy steel pipes include steam pipelines in power plants, heat exchangers in petrochemical industries, and superheaters in oil refineries.
The main benefit of using A335 P91 Specification is their superior mechanical properties such as higher hardness values compared to conventional carbon steels. Furthermore, these kinds of alloy steel pipes exhibit excellent corrosion resistance when exposed to acidic environments due to their chromium content which helps protect them against rusting or pitting caused by acid attack. Furthermore, they have good weldability characteristics make them easy to shape into desired shapes while still maintaining their strength and durability even after welding operations have been carried out on them. There are several products available like ASTM A213 T1 Tubes etc.
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Content
» Alloy Steel P91 Seamless Boiler Pipes Specification
» ASTM A335 Gr. P91 Alloy Steel Pipes Chemical Composition
» P91 Alloy Steel Seamless Pipes Mechanical Properties
» Alloy Steel P91 Pipes Heat Treatment Requirements
» Alloy Steel Gr. P91 Pipes Tensile Requirements
» Other Types of Alloy Steel P91 Pipes
Alloy steels such as the ASTM A335 Alloy Steel P91 Pipes give many advantages over traditional carbon steels due to their increased hardness values and ability to handle high temperatures and pressures more effectively than conventional carbon steels can manage. These alloy steel pipes have great corrosion resistance thanks to their chromium content which helps protect them from acid attack while also providing excellent weldability characteristics so that they can be shaped into desired shapes with ease while still offering maximum strength and durability even after welding operations have been performed on them. We offer various kinds of products like ASTM A213 T2 Tubes etc.
What are the advantages of using ASTM A335 Alloy Steel P91?
The advantages of using ASTM A335 Alloy Steel P91 include its excellent high-temperature strength, corrosion resistance, and toughness. It is also easy to weld and has good formability, making it a popular choice for many industrial applications.
What are the applications of ASTM A335 Alloy Steel P91?
ASTM A335 Alloy Steel P91 is commonly used in power plants, refineries, and other industrial settings where high-temperature and high-pressure conditions are present. It is used in boilers, heat exchangers, and other equipment that requires high-temperature resistance and corrosion resistance.
C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % | V, % | N, % | Ni, % | Al, % | Nb, % |
0.08-0.12 | 0.3-0.6 | 0.02 max | 0.01 max | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.4 max | 0.04 max | 0.06-0.10 |
Seamless Heat Exchange Alloy Steel P91 Pipes Mechanical properties:
Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
585 min | 415 min | 20 min | 250 max |
Alloy Steel P91 Pipes Heat Treatment Requirement :
P5, P9, P11, and P91 |
|||
Grade |
Heat Treatment Type |
Normalizing Temperature Range F [C] |
Subcritical Annealing |
P5 (b,c) |
Full or Isothermal Anneal |
||
Normalize and Temper |
***** |
1250 [675] |
|
Subcritical Anneal (P5c only) |
***** |
1325 – 1375 [715 – 745] |
|
P9 |
Full or Isothermal Anneal |
||
Normalize and Temper |
***** |
1250 [675] |
|
P11 |
Full or Isothermal Anneal |
||
Normalize and Temper |
***** |
1200 [650] |
|
P91 |
Full or Isothermal Anneal |
||
Normalize and Temper |
***** |
1250 [675] |
|
P91 |
Normalize and Temper |
1900-1975 [1040 – 1080] |
1350-1470 [730 – 800] |
Quench and Temper |
1900-1975 [1040 – 1080] |
1350-1470 [730 – 800] |
Alloy Steel P91 Pipes Tensile Requirements :
Seamless | ||||||
P-5 | P-9 | P-11 | P-22 | P-91 | P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC]. | |
Tensile Strength, min., psi | ||||||
ksi | 60 | 60 | 60 | 60 | 85 | |
MPa | 415 | 415 | 415 | 415 | 585 | |
Yield Strength, min., psi | ||||||
ksi | 30 | 30 | 30 | 30 | 60 | |
MPa | 205 | 205 | 205 | 205 | 415 |
Types Of Alloy Steel Grade P91 Pipes
Alloy Steel P91 Pipes | P91 Alloy Steel A335 Pipe |
Alloy Steel Pipes | ASTM A335 P91 Alloy Steel Seamless Pipes |
AISI Alloy Steel EFW seamless pipes | ASME SA335 Alloy Steel Rectangular Pipe |
P91 High Pressure Seamless Boiler Pipes in Iraq | Alloy Steel Gr P91 LSAW Pipes in Iran |
High Temperature Seamless Ferritic Alloy Steel Pipes | Certified Alloy Steel P91 Pipes in Egypt |
P91 Alloy Pipe in Jordan | ASME SA / ASTM A335 P91 Pipes |
High Quality Grade P91 Alloy Steel Pipes in Peru | P91 Pipes Dealer Singapore |
Alloy A335 Seamless Square Pipe in Chile | Grade P91 Hydraulic Pipes Exporter in Bahrain |
AISI P91 ERW pipes in Malaysia | ASTM A335 P91 Pipes |
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