ANSI Schedule 40 Steel Pipes

Meaning of Schedule 40 pipe?

Based on the NPS and schedule of a pipe, the pipe outside diameter (OD) and wall thickness can be obtained from reference tables such as those below, which are based on ASME standards B36.10M and B36.19M. For example, NPS 14 Sch 40 has an OD of 14 inches and a wall thickness of 0.437 inches (11.1 mm).
NPS OD Schedule # Wall Thickness ID. 1.000” 1.315” SCH 40 0.133” 1.049” (approx.) 1.000” 1.315” SCH 80 pipe 0.179” 0.957” (approx.) pipes are specified by using the NPS and sch numbers. It is the schedule number that shows the approximate inside diameter.

ANSI Schedule 40 steel pipes are widely used in various industries due to their durability and strength. These pipes are made from carbon steel and are known for their high-pressure capabilities, making them suitable for a wide range of applications.

One important aspect of ANSI Schedule 40 steel pipes is their hot-dipped galvanized coating. This coating provides an added layer of protection against corrosion, extending the lifespan of the pipe and ensuring its reliability in harsh environments.

The diameter of the pipe is an essential factor to consider when selecting ANSI Schedule 40 steel pipes. These pipes come in various sizes, ranging from small diameters to larger ones, allowing for flexibility in meeting specific project requirements.

Steel black is another term used to describe ANSI Schedule 40 steel pipes. This refers to the appearance of the pipe without any additional coatings or finishes applied. Steel black pipes are commonly used in industrial applications where aesthetics may not be a significant concern.

The dimensions of schedule 40 steel pipes conform to ASTM A53 standards, which ensures uniformity and consistency across different manufacturers. The schedule number indicates the wall thickness of the pipe, with schedule 40 having a medium thickness that strikes a balance between strength and cost-effectiveness.

When considering pressure applications, ANSI Schedule 40 steel pipes are well-suited for high-pressure systems due to their robust construction. They can handle demanding conditions and maintain structural integrity under significant stress.

Nominal pipe size is another crucial aspect when selecting schedule 40 pipes. It refers to the approximate inner diameter of the pipe and helps determine compatibility with fittings and other components within a system.

In terms of pricing, schedule 40 steel pipes offer a cost-effective solution compared to higher schedules or alternative materials while still providing reliable performance and durability. The price may vary depending on factors such as size, length, quantity ordered, and market conditions.

Overall, ANSI Schedule 40 steel pipes are versatile options for various applications requiring strength, durability, and resistance to high pressure. Their standardized dimensions, hot-dipped galvanized coating, and carbon steel composition make them a reliable choice in industries such as construction, plumbing, oil and gas, and more.

Reference ANSI/ASME B36.10M-1995 Wrought Steel Pipe seamless and welded