S. No. |
Name of Test |
Mode of Testing |
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1. |
Inspection of Surfaces & Edges |
Visual Examination (By Normal or Corrected Vision without magnification) |
2. |
Inspection of Marking |
Brand name, Nominal Size & Country of Origin on each length |
3. |
Durability of Marking |
Compliances Tested by method as mentioned in IS : 9537 Specifications |
4. |
Dimensional Check |
For maximum OD by GO Gauges & Minimum OD by NO GO Gauges |
5. |
Wall Thickness |
Measured with the help of vernier callippers as specified in BIS Standard (Accuracy equal to or more than 0.02 mm) |
6. |
Isometric Screw Threads |
- Length measured by vernier calippers.
- Profile of threads by GO & NO GO Gauges
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7. |
Bending Test |
By Bending the samples on Bend Test Apparatus & Testing the samples for deformity & Cracking of orginal material or protective coating as mentioned in BIS 9537 Part I & II. |
8. |
Compression Test |
With the help of compression test Apparatus. |
9. |
Test for Protective coating (for checking the effect of External Influences.) |
With the help of Chemicals as prescribed in BIS : 9537 Specifications. Medium and Heavy Protective Coatings of Rigid Steel Conduits are Tested for the effect of external influences or Anti Corrosive effectiveness of the protective coatings. |
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