Line Pipe

schedule 40 steel pipe

SPECIFICATIONS

The pipe numbers are non-dimensional. In other words, SCH 40 doesn’t mean the pipe is 40 millimeters or 40 inches in diameter.
The parameters for each schedule are determined by the ASME B36.10M, which is the standard governing seamless and welded steel pipe dimensions. ASME B36.10M determines the numbers that designate each size.

What Is a Pipe Schedule?

A pipe schedule (SCH) is a measure of a steel pipe’s nominal wall thickness.
In the past, metal fabricators used three pipe dimensions — standard, extra strong, and double extra strong. Just having these three undetermined dimensions wasn’t helpful, though. So today, steel pipes come in 14 different schedules.
The most commonly used one is schedule 40.
schedule 40 steel pipe

What is the thickness of Schedule 40 steel pipe?

A 4 inches (100 mm) Schedule 40 pipe has an outside diameter of 4.500 inches (114.30 mm), a wall thickness of 0.237 inches (6.02 mm), giving a bore of 4.026 inches (102.26 mm)

What is the difference between Schedule 40 and Schedule 80 pipe?

The major difference between schedule 40 and schedule 80 pipe is the wall thickness, inside diameter, and their weight. Schedule 80 will have a greater wall thickness, a smaller inside diameter and a higher weight than Schedule 40 pipe at a given nominal pipe size.

How to made schedule 40 steel pipe?

Making steel pipe products is a process that starts with the selection of raw materials. The raw materials are then heated and formed into the desired shape. The raw materials may be cut to size, welded, or machined before they are molded into the desired shape. Once the steel pipe has been formed, it is then treated to improve its strength and durability. The final step is to apply a coating to protect the steel pipe from corrosion and other elements. Following these steps will ensure that the steel pipe is of the highest quality and will last for many years.
Uses Schedule 40 steel pipe including: • Gas transmission • Water transmission • Fire sprinkler systems • Steam heating • Cooling • Drainage
schedule 40 steel pipe

Specifications Schedule 40 steel pipe :

1. Diameter: 1/4-inch to 48 inches
2.Wall Thickness: 0.025-inch to 0.500-inch
3. Threads: NPS, NPT, API, ISO
4.Grades: A53, A106, API 5L, A333, A312
5. Coating: Black, galvanized, epoxy
5. Pressure Rating: 0-300 psi