NPS 1/8 Sch 40 Steel Pipe, ASME B36.10

The NPS 1/8 Sch 40 steel pipe (ASME B36.10): outside diameter 10.287 mm, wall thickness 1.7272 mm, outside diameter, inches 0.405 mm. Available as one length, 304.8 mm, as simplified STEP.

How these parts are made, and what the levels mean: read the method

• Also searched as: NPS 1/8 Sch 40 pipe, NPS 1/8 Sch 40 x 304.8 pipes
• Model id: asme-b36-10-nps1-8-sch40
• Standard: ASME B36.10:2022 · size NPS 1/8 Sch 40

Lengths

Length (mm)	Part key	Simplified
304.8	asme-b36-10-nps1-8-sch40x304-8	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
D	Outside diameter		10.287		10.287	nominal	L1
T	Wall thickness		1.7272		1.7272	nominal	L1
D_in	Outside diameter, inches		0.405		0.405	nominal	L1
T_in	Wall thickness, inches		0.068		0.068	nominal	L1

Drawing

As a PDF: CC-ASMEB36-10-SZ-nps1-8-sch40.pdf.

The NPS 1/8 Sch 40 steel pipe beside the NPS 1/8 Sch 80

The NPS 1/8 Sch 40 is the first of the 18 ASME B36.10 steel pipes published here, listed from NPS 1/8 Sch 40 to NPS 2 Sch 80.

• Outside diameter (D): 10.287 mm on the NPS 1/8 Sch 40 steel pipe, the same on the NPS 1/8 Sch 80.
• Wall thickness (T): 1.7272 mm on the NPS 1/8 Sch 40 steel pipe, against 2.413 mm on the NPS 1/8 Sch 80.
• Outside diameter, inches (D_in): 0.405 mm on the NPS 1/8 Sch 40 steel pipe, the same on the NPS 1/8 Sch 80.
• Wall thickness, inches (T_in): 0.068 mm on the NPS 1/8 Sch 40 steel pipe, against 0.095 mm on the NPS 1/8 Sch 80.

Other sizes

• One size larger: NPS 1/8 Sch 80 Steel Pipe, ASME B36.10.

Documents

• CC-ASMEB36-10-DS-nps1-8-sch40.pdf: nps1-8-sch40 datasheet: values with levels, lengths, sources
• CC-ASMEB36-10-SZ-nps1-8-sch40.pdf: nps1-8-sch40 drawing: this size's values on the views
• parts.json: the part record of every length (the platform contract)

Sources

etb-b36-10, steeltube-b36-10. Full citations: the method page and this size's datasheet.

Found an error? Use the feedback section on this page.