SCH pipe is a pipe wall thickness grade standard commonly seen in the piping industry and established by the American National Standards Institute (ANSI). SCH10 is considered a relatively thin grade in this standard.This article will explain Schedule 10 pipe dimensions and other related knowledge
Schedule 10 Pipe Dimensions
Schedule 10 Pipe Dimensions – Advantages
Schedule 10 Pipe Dimensions The pipe wall thickness is very thin, so the advantages of SCH10 pipe all revolve around the thin wall thickness.
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- Lightweight: Due to its thinner walls, less material is used. This advantage makes SCH10 pipes more time-efficient and labor-efficient to transport and install, reducing transportation and labor costs.
- Low Cost: Due to its thinner walls, less material is used, giving SCH pipes a significant cost advantage over other pipes.
- Easy to Process: Its thinner walls make cutting and welding easier.
- Low Fluid Resistance: For the same NPS, a smaller wall thickness results in a larger inner diameter, which reduces fluid flow resistance.
Schedule 10 Pipe Dimensions – Shortcoming
Similarly, all the shortcomings of SCH10 come from the thin wall thickness of its pipe.
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- Weak pressure bearing capacity: This is its most significant characteristic. Thin walls cannot withstand high pressures. You can use the pressure bearing capacity formula to calculate whether SCH10 can be used (Sch = P/[σ]t × 1000, where P is the design pressure and [σ]t is the allowable stress of the material at the design temperature).
- Poor mechanical resistance: Even thin pipe walls cannot withstand strong physical impact, bending, or compression, making them easily damaged and deformed.
- Poor corrosion resistance: Thin walls have minimal corrosion resistance margins.
- Limited thread applications: Thin pipe walls limit some standard thread types, making threaded connections unsuitable. However, other connection methods such as butt welding are possible.
Sch 10 Pipe Dimensions Chart
Sch 10 Pipe Pressure Chart
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Schedule 10 Pipe Dimensions Application
- Air ducting: Low-pressure compressed air piping within factories is a common application for SCH10 carbon steel pipe.
- Low-pressure water systems: Domestic water, sprinkler water systems, cooling water systems, and other low-pressure water systems.
- Pharmaceutical and biotechnology applications: Commonly used for purified water, water for injection (WFI), and some low-pressure process liquid distribution systems.
- High-flow, low-pressure gas and liquid transportation: Thin wall thickness allows for a large inner diameter and low flow resistance, making it suitable for applications requiring high flow rates.
- Machinery and equipment: Safety fences, cable trays, exhaust systems, and other non-pressure or low-pressure structures.
