| Sr. No. | Raw Material category | ParaMeters Checked | Type / Method & Instruments of Inspection | Application Specification | Standard Values |
|---|---|---|---|---|---|
| 1 |
Copper Tubes
|
Diameters | Vernier / Go & No Go Gauges | BS 1977 or IS 191 Part V | -- |
| Surface Roughness | Visual | Free From Deep Scratches & Dentmarks | -- | ||
| Ovality | Visual / Vernier | Within DiaMeter tolerance | -- | ||
| Hardness | Hardness Testing M/c | -- | 65RF (60 HV) | ||
| Conductivity | Conductivity Meter | Do | 99.25% I.A.C.S Min | ||
| Flattening | Press | Bs 1997 | Should not Crack when Flattened | ||
| 2 | Copper Strip
|
Dimension | Vernier / mm | IS 1897 | -- |
| Surface Roughness | Visual | Free From Deep Scratches & Dentmarks | -- | ||
| Band Test | 'V' Block / Vice | -- | Should not Crack when bent & Flattened | ||
| Hardness | Hardness Testing M/c | -- | 65RF (60 HV) | ||
| Conductivity | Conductivity Meter | Do | 99.25% I.A.C.S Min | ||
| 3 | Copper Rods
|
Diameters | Vernier / mm | IS 613-2000 | -- |
| Surface Roughness | Visual | Free From Deep Scratches & Dentmarks | -- | ||
| Hardness | Hardness Testing M/c | -- | 65RF (60 HV) | ||
| Conductivity | Conductivity Meter | Do | 99.25% I.A.C.S Min | ||
| 4 | Aluminium Rods
|
Diameters | Vernier / mm | IS 5082-1998 | -- |
| Surface Roughness | Visual | Free From Deep Scratches & Dentmarks | -- | ||
| Hardness | Hardness Tester | -- | 30BHV Max. | ||
| Conductivity | Conductivity Meter | Do | 60% I.A.C.S | ||
| 5 | P.V.C
|
Diameters | verrues Go / & No Go Gauges | -- | -- |
| Surface Roughness | Visual | -- | -- | ||
| Ovality | Visual / Vernier | -- | -- | ||
| Colour | Visual | -- | 0.75 Yellow, 1.5 Red, 2.5 Blue, 4-6 Yellow, 10 & 16 Black | ||
| Hardness | Pliers / Crimping | -- | -- | ||
| Flattening | Pliers / Crimping | -- | Should not Crack when Flattened | ||
| 6 | Phosphorous Bronze sheet
|
Surface Roughness | Visual | Free from Deep Scratches & Dent Marks | -- |
| Hardness |
Hardness Testing M/c |
IS 7814 - 1985 |
150 HV min |
||
| Bend Test | 'V' Block / Vice | -- | Should not Crack when Flattened |
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