Product Specification

ASTM A335 High Strength Steel Tubing: Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service Tube

Introduction

ASTM A335 is a specification standard for seamless ferritic alloy-steel pipe intended for high-temperature service. This specification covers several grades of high-strength steel tubing commonly used in various industrial applications. In this article, we will explore the key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades of ASTM A335 steel tubing.

Material Specification

ASTM A335 specifies the requirements for seamless ferritic alloy-steel pipe with specific chemical composition and mechanical properties. The material should be suitable for high-temperature service and exhibit excellent resistance to oxidation, scaling, and corrosion.

Key Features

• High-strength: ASTM A335 tubing offers exceptional strength and toughness, ensuring durability even in extreme conditions.
• High-temperature resistance: The alloyed composition of the steel enables it to withstand elevated temperatures without compromising its structural integrity.
• Corrosion resistance: ASTM A335 steel tubing has excellent resistance to corrosion, making it suitable for applications in highly corrosive environments.
• Seamless construction: The seamless design of these pipes eliminates the risk of leakage, providing a reliable and efficient fluid transportation system.

Chemical Composition (Table Presentation)

Note: The chemical composition is subject to individual grade requirements outlined in the ASTM A335 specification.

Mechanical Properties (Table Presentation)

Steel Grade and Application

ASTM A335 steel tubing is available in various grades according to the specific requirements of different applications. Here are some commonly used steel grades with their respective applications:

• Grade P1: Suitable for power plants, refineries, and process piping.
• Grade P2: Ideal for high-pressure steam, boiler, and heat-exchanger service.
• Grade P5: Used in power plants, steam boilers, and petroleum refineries.
• Grade P9: Great for chemical and petrochemical plants, as well as power plants.
• Grade P11: Commonly employed in oil and gas extraction and processing facilities.
• Grade P22: Used in power generation plants, heat exchangers, and petrochemical industries.
• Grade P91: Primarily used for high-temperature applications in power plants and petrochemical refineries.

Possible Alternative Grades

While ASTM A335 steel tubing meets various requirements, there are alternative grades available for specific applications. Some possible alternatives include ASTM A213, ASTM A519, and API 5L. The suitability of these alternatives should be determined based on the specific needs of each application.

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Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

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