ASME B36.10M SCH 20 Pipe Dimension

ASME B36.10M Sch 20 Pipe is a medium-wall-thickness pipe compliant with ASME standards, suitable for medium-pressure fluid transportation and widely used in various industrial fields.

ASME B36.10M Sch 20 Pipe

Diameter Nominal	Nominal Pipe Size	Outside Diameter (mm)	Wall Thickness (mm)	Weight (kg/m)
DN 200	8 inch	219.1	635	33.32
DN 250	10 inch	273	635	41.76
DN 300	12 inch	323.8	635	49.71
DN 350	14 inch	355.6	792	67.91
DN 400	16 inch	406.4	792	77.83
DN 450	18 inch	457	792	87.71
DN 500	20 inch	508	9.53	117.15
DN 550	22 inch	559	9.53	129.14
DN 600	24 inch	610	9.53	141.12
DN 650	26 inch	660	12.7	202.74
DN 700	28 inch	711	12.7	218.71
DN 750	30 inch	762	12.7	234.68
DN 800	32 inch	813	12.7	250.65
DN 850	34 inch	864	12.7	26663
DN 900	36 inch	914	12.7	282.29

ASME B36.10M is a standard for steel pipes, and Sch 20 refers to the pipe’s wall thickness schedule. Sch 20 indicates relatively thin walls, suitable for low to medium pressure applications.

Sch 20 pipes are commonly used in systems requiring lightweight and lower pressure, such as municipal pipelines, HVAC systems, low-pressure water pipes, and natural gas pipelines.

The wall thickness of Sch 20 varies depending on the pipe’s outer diameter (OD). Larger diameters have thicker walls. Specific wall thicknesses are listed in the ASME B36.10M standard tables.

FAQ

What is the difference between Sch 20 and other pipe schedules?

Sch 20 has thinner walls and is used for lower pressure applications, whereas other schedules like Sch 40 or Sch 80 have thicker walls and are suitable for higher pressure environments.

Is Sch 20 pipe suitable for welding?

Yes, Sch 20 pipes can be welded, but special care must be taken due to their thinner walls to avoid overheating and deformation during the welding process.

Can Sch 20 pipe be used in high-temperature or high-pressure environments?

Sch 20 pipe is not typically recommended for high-temperature or high-pressure applications, as its thinner walls have limited capacity. For such environments, pipes with thicker walls are advised.

How to select the appropriate size for Sch 20 pipe?

When selecting Sch 20 pipe, consider factors such as system pressure, temperature, and the medium being transported. Consulting with an engineer and referring to applicable standards is recommended for proper sizing.