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Ferritic Alloy-Steel Pipe ASTM A335

ASTM A335 P1, P2, P5, P9, and P11 Ferritic Alloy-Steel Pipes are seamless pipes designed for high-temperature service. Known for their exceptional durability, tensile strength, and resistance to heat and corrosion, they are widely used in power plants, petrochemical industries, and refineries. Their composition and mechanical properties make them ideal for boilers, superheaters, and heat exchangers.

Description

ASTM A335 P1 P2 P5 P9 P11 Ferritic Alloy-Steel Pipe

Material Specification

ASTM A335 is the standard specification for seamless Ferritic Alloy-Steel Pipe intended for high-temperature service. The specification covers various grades of pipes such as P1, P2, P5, P9, and P11. These Ferritic Alloy-Steel Pipes are predominantly used for boiler, superheater, and heat exchanger applications.

Key Features

Ferritic Alloy-Steel Pipe are known for their strong durability, excellent tensile strength, and resistance to heat and corrosion. They are also capable of withstanding high-temperature applications, making them suitable for power plants, refineries, and industrial sectors. The key characteristics include:

  • High-temperature resistance: Can endure extreme heat and temperature fluctuations.
  • Corrosion resistance: Excellent performance in corrosive and oxidative environments.
  • Versatility: Suitable for multiple industrial applications.
  • Durability: Long-lasting with minimal maintenance.

Chemical Composition

The chemical composition of Ferritic Alloy-Steel Pipe under ASTM A335 differs slightly among the different grades. Below is a general representation of the chemical makeup:

Element P1 (%) P2 (%) P5 (%) P9 (%) P11 (%)
Carbon 0.10-0.20 0.05-0.15 0.15 max 0.15 max 0.15 max
Manganese 0.30-0.80 0.30-0.60 0.30-0.60 0.30-0.60 0.30-0.60
Silicon 0.10-0.50 0.10-0.50 0.50 max 0.50 max 0.50 max
Chromium 4.00-6.00 8.00-10.00 1.00-1.50
Molybdenum 0.45-0.65 0.90-1.10 0.44-0.65

Mechanical Properties

The mechanical properties of Ferritic Alloy-Steel Pipes vary across grades but meet the requirements for high strength and durability:

Property P1 P2 P5 P9 P11
Tensile Strength (MPa) 275 min 415 min 415 min 415 min 415 min
Yield Strength (MPa) 205 min 205 min 240 min 240 min 205 min
Elongation (%) 30 min 30 min 30 min 30 min 30 min

Similar Standards and Steel Grades

  • ASTM: A335
  • EN: 10216-2
  • GOST: 550-75
  • JIS: G3458
  • GB: 5310

These standards reflect similar qualities and specifications of Ferritic Alloy-Steel Pipe across different global frameworks.

Application

Ferritic Alloy-Steel Pipe are essential in construction and engineering sectors where high heat and pressure resistance are required. Applications include:

  • Power Generation: Used in turbines, nuclear, and thermal power plants.
  • Petrochemical Industry: Ideal for oil and gas processing and transportation.
  • Industrial Boilers: Suitable for the construction of boilers that operate under high temperatures.
  • Refineries: Widely used in heat exchangers and refinery piping systems.

Additional information

Application

High Temperature Service

Material

Alloy Steel, Stainless steel

Steel Grade

P1, P11, P12, P122, P15, P2, P21, P22, P23, P5, P5b, P5c, P9, P91, P911, P92

Technique

Cold Drawn, Cold Rolled, Hot Rolled

Tolerance

±1%

Outer Diameter

25-426mm

Wall Thickness

0.5-100mm

Alloy Or Not

Is Alloy

Shape

Customer Requirements, Rectangular, Round, Square

OEM

Allow

MOQ

1 Ton

Sample

Allow

Processing Services

Bending, Customers's Requirement, Cutting, Decoiling, Moulding, Punching, Welding

Packing

Customer Requirements, Nylon Braided Tape, Wooden Box

Payment Method

D/A, D/P, L/C, MoneyGram, T/T, Western Union

Custom Made

LOGO, Package, Spray Label

Certification

API, BSI, CE, ISO14001, ISO9001, ROHS, TS16949

Secondary Or Not

Non-secondary

Company Profile

TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and

trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and

credibility among domestic and foreign customers.

The company’s production plant covers an area of over 10,000 square meters, with an annual production

capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which

can satisfy customers’ personalized needs for raw materials in terms of diversity and timeliness.

The group holds shares in more than ten domestic production entities, whose main products include

seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings

( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.),

aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC

deep processing of metal materials such as tubes, rods, and casting parts.

Over the past 30 years, the company has been gradually developing new technologies and materials to meet

the growing needs of customers and various diversified needs, exporting to more than 56 countries and still

increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and

to facilitate one-stop purchasing for customers

Certificate

Workshop Show

Testing equipment

Package