Adarsh Steel Tubes



Technical Details


Size of Conduit20 mm 25 mm32 mm40 mm50 mm
Nominal Area of
Cable Condutor SQ. mm
Number Of Cables
1.54610----
2.54610----
43610----
6 23714--
10-511--
16-- 37--
25 46
35---46
50--3 5


  • 'AST' Rigid Steel Conduits

  • Made to is : 9537(PT-II) 1981 Specifications

  • Dimensional Requirements
Nominal Size In MM 20 25 32 40 50
Outside Diameter(mm) 20 25 32 40 50
Tolerance on Outside
diameter(mm)
-0.30 -0.40 -0.40 -0.40 -0.50
Minimum Outside
Diameter(mm)
Wall Thickness
(a) Minimum (mm)
(b)Maximum (mm)
1.40
1.80
1.40
1.80
1.40
1.80
1.60
2.20
1.60
2.20
  • Maximum Capacity of 'AST Brand Rigid steel'

  • Conduits for Drawing PVC Insulated

  • Cables conforming to is : 694-1990