Specifications

BS31 zinc coating conduit tubes
1.Standard:BS31-1940
2.Length:3.75m
3.Material:Q195

BS31 zinc coating conduit tubes

 

Following is the size for your reference

 

Stardard:BS31

Material: Steel

Class: Class3 & Class4

Size:3/4",1",1-1/4",1-1/2",2"

Surface:threaded both ends,one end is coupling and other end is plastic cap

 

 

 Applicable Tolerances:

Length: 3.75m± ¼” (±6.35mm).

Outside Diameter: ½”-2” ±0.005” (±0.13mm); 2½” ±0.010” (±0.25mm); 3” ±0.015” (±0.38mm); 3½”-4” ±0.020” (±0.51mm)

 

BS31:1940 Class 4 Conduit Specification Sheet
SIZE	Outside Diameter		Wall Thickness		Length	Length of Thread		PCS/container
	(mm)		A	B		(mm)
	Min	Max	(mm)	(mm)	(m)	Min	Max
3/4“	18.9	19.05	1.4±0.15	1.2	3.75	13.5	14.3
1”	25.25	25.4	1.6±0.15	1.2	3.75	16.7	17.5	8000
1-1/4“	31.6	31.75	1.6±0.15	1.2	3.75	18.3	19.1	6000
1-1/2”	37.8	38.1	1.6±0.15	1.2	3.75	19.1	20.6	4400
2“	50.5	50.8	1.6±0.15		3.75	22.2	23.8	3000