Alloy Steel ASTM A335 P91 Seamless Pipe is a heat-resistant and powerful pipe that is used on a large scale in power plant and refinery operations and petrochemical industries. Produced using advanced manufacturing processes, this pipe provides outstanding performance in crucial operations. Meta Aerospace provides premium-grade P91 pipes that are produced to industrial standards.

What are ASTM A335 P91 Seamless Pipe?

Alloy Steel ASTM A335 P91 Seamless Pipes are made with chromium-molybdenum steel that offers excellent tensile strength, corrosion resistance, and thermal stability. Seamless pipes are free from weak points and offer a homogeneous structure with higher durability. Seamless pipes are ideally suited for uses that demand excellent mechanical behavior, especially under extreme conditions.

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Advantages of ASTM A335 P91 Seamless Pipe?

The alloy steel ASTM A335 P91 seamless pipe has several advantages. P91 seamless pipes have several benefits, such as:

  • High temperature resistance: Remains strong even with increased temperature.
  • Corrosion and Oxidation Resistance: Ensuring long-term durability under severe conditions.
  • High Tensile Strength: Resists structural stress under pressure.
  • Good Weldability: Facilitates easy installation and simple maintenance.

Uniform structure eliminates weak spots with smooth build-up for increased reliability.

Uses and Applications ASTM A335 P91 Seamless Pipe?

High Tensile Alloy Steel ASTM A335 P91 Seamless Pipes are used in various applications.

  • Power Generation: Used in supercritical and ultra-supercritical boilers for operation with high steam pressures.
  • Petrochemical Industry: Ensures safe transportation of corrosive fluids and gases.
  • Oil and Gas Industry: Reliable for offshore and onshore operations pipelines. Refineries: Suitable for heat exchangers, distillation columns, and other key equipment.
  • Aerospace Industry: Offers best-in-class propulsion and thermal system performance.
  • Nuclear power stations: Used in heat exchangers and pressure vessels because it is very strong and has thermal stability.

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Meta Aerospace is a leading Alloy Steel ASTM A335 P91 Seamless Pipe Manufacturer, offering best-in-class quality products that are in accordance with international standards. Our advanced manufacturing process ensures consistent quality, reliability, and performance in every application.

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Being a reliable Alloy Steel ASTM A335 P91 Seamless Pipe Suppliers, we maintain large inventories of seamless pipes for immediate delivery. Our extensive distribution system ensures on-time supply to industries worldwide. Meta Aerospace is also a trusted Alloy Steel ASTM A335 P91 Seamless Pipe Stockists, with different sizes, grades, and specifications available. We keep our inventory stocked to offer quick turnaround times on all orders. We are a major Alloy Steel ASTM A335 P91 Seamless Pipe Exporters and export seamless pipes to overseas markets with best quality. Our commitment to quality and customer satisfaction has made us a brand to reckon with in overseas markets.

What Are Specification ASTM A335 P91 Seamless Pipe?

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.

Equivalent material Of ASTM A335 P91 Seamless Pipe?

ASTM ASME A335 Gr P91 Equivalent Material JIS UNS
A335 P91 SA335 P91 T91, K90901, X10CrMoVNb9-1, 1.4903 G 3458 K91560
ASTM International BSi - British Standards institute Material
ASTM A335 Gr. P5 Pipe 3604/625 5% Cr 1/2% Mo
ASTM A335 Gr. P9 Pipe 3604/629 9% Cr 1% Mo
ASTM A335 Gr. P11 Pipe 3604/621 1 1/4% Cr 1/2% Mo
ASTM A335 Gr. P12 Pipe 3604/620 1% Cr 1/2% Mo
ASTM A335 Gr. P22 Pipe 3604/622 2 1/4% Cr 1% No

Chemical Composition Of ASTM A335 P91 Seamless Pipe?

Grade UNS C≤ Mn P≤ S≤ Si≤ Cr Mo
P91 K91560 0.08~0.12 0.30~0.60 0.020 0.010 0.20~0.50 8.00~9.50 0.85~1.05

Mechanical Properties Of ASTM A335 P91 Seamless Pipe?

Tensile Strength , MPa A335 P91 Yield Strength, MPa Elongation, % A335 P91 Hardness, HB
585 min 415 min 20 min 250 max

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