Schedule 40 ERW carbon steel pipe

What is Schedule 40 ERW Carbon Steel Pipe?

In the production and manufacturing of pipes and pipe fittings, Schedule 40 is a specification of the American Standards Institute (ANSI) that refers to the wall thickness series of pipes, and its standards are ANSI/ASME B36.10M and ANSI/ASME B36.19M. Schedule 40 pipe is one of the common pipe specifications because of its moderate thickness and can be applied in many different fields such as construction, water supply, drainage systems, etc.

ERW carbon steel pipes are commonly used in a variety of applications such as water supply, drainage, and gas distribution. These pipes are known for their durability, strength, reliability, and cost-effectiveness, making them a popular choice in the construction and industrial fields. In this comprehensive guide, we will explore the characteristics, uses, advantages, and manufacturing processes of Schedule 40 ERW carbon steel pipes in detail.

Characteristics of Schedule 40 ERW carbon steel pipes:

(1) Wall Thickness
Schedule 40 ERW carbon steel pipes have a specified wall thickness to provide the necessary strength and durability for a variety of applications. The thickness is standardized according to the pipe size to ensure uniformity and reliability.

(2) Material
ERW pipes are generally made of carbon steel, which has high tensile strength and is easy to manufacture. Other materials such as stainless steel erw pipe and alloy steel erw pipe can also be used depending on specific requirements.

(3) Size Range
Schedule 40 ERW carbon steel pipes are available in a variety of sizes to meet different application needs. Common sizes include 1/2 inch, 3/4 inch, 1 inch, 2 inches and larger diameters, allowing for versatility in a variety of piping systems.

(4) Manufacturing standards
ERW carbon steel pipes are often manufactured in accordance with carbon steel pipe (cs pipe) industry standards such as ASTM A53 to ensure consistent quality and performance.

(5) Manufacturing methods
ERW carbon steel pipes are made through a resistance welding process and have high strength and durability. This type of pipe is commonly used to transport pressurized fluids such as water, gas, heating steam, compressed air, etc., and is suitable for various industrial and civil fields.

Uses of Schedule 40 ERW carbon steel pipe:

(1) Water supply and drainage
Schedule 40 ERW carbon steel pipe is widely used in residential and commercial water supply systems (delivering clean water) and drainage systems (collecting and treating wastewater) due to its corrosion resistance and long-term reliability.

(2) Pipeline system
Schedule 40 ERW carbon steel pipe is commonly used in piping systems for hot and cold water supply, providing a durable and leak-proof solution.

(3) Gas transmission
Schedule 40 ERW carbon steel pipe is suitable for natural gas transmission and distribution, providing the strength and integrity required for the safe transportation of natural gas and other gases. In addition, according to different laying methods, gas pipelines can be divided into underground laying, overhead laying and other types; according to different gas transmission pressures, gas pipelines can also be divided into low pressure, medium pressure, sub-high pressure and high pressure types. These classifications ensure that the pipeline system can adapt to different usage environments and requirements, ensuring safety and efficiency.

(4) Structural applications
In construction and infrastructure projects, these pipes are used for structural support, piling and foundation purposes, contributing to the overall stability and strength of buildings and other structures.

(5) Industrial Applications ‌
ERW carbon steel pipes are used to transport different types of fluids and gases in a variety of industrial environments.

Advantages of Schedule 40 ERW carbon steel pipes:

(1) Cost-effectiveness
ERW pipes offer cost-effective solutions for a variety of applications, delivering high performance at a competitive price.

(2) Strength and durability
These pipes have excellent strength and durability, suitable for demanding environments and applications.

(3) Easy installation
The lightweight nature and uniform size of ERW carbon steel pipes facilitate easy handling and installation, thereby reducing labor costs and time.

(4) Versatility
Schedule 40 ERW carbon steel pipes can be used in a variety of applications, offering versatility and adaptability to meet different piping needs.

Manufacturing process of Schedule 40 ERW carbon steel pipes:

The manufacturing of Schedule 40 ERW carbon steel pipes involves the following key steps:

(1) Coiled steel
The process begins by unrolling the steel coil and then forming it into a cylindrical tube through a series of forming rollers.

(2) Resistance welding
A high-frequency current is applied to the edges of the formed steel strip, generating heat that fuses the edges together to form a continuous weld.

(3) Sizing and straightening
The welded tube is then passed through sizing and straightening rollers to obtain the required size and straightness.

(4) Cutting and end finishing
Finally, the tube is cut to specific lengths and subjected to end finishing processes such as deburring and beveling to meet the required quality standards.

Conclusion:
Schedule 40 ERW carbon steel pipe is an essential component of numerous industries and applications, with reliable performance, cost-effectiveness and versatility. From water supply and piping systems to structural support and gas transmission, these pipes play a vital role in modern infrastructure and construction. With its strict manufacturing standards and inherent advantages, Schedule 40 ERW carbon steel pipe remains the first choice for piping systems around the world.

Read more: Schedule 40 Pipe vs Schedule 80 Pipe or Carbon steel ERW pipe specification