Sr.No. | Process Operation | Quality Characteristics | HOD Of Control |
1 | Raw Material (Strip) |
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2 | Tube Mill (GTAW Type) |
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3 | Solutions Annealing (At Min. 1040 C) With continuous water quenching. |
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Automatic Relay Temp / Controller Adjusted to present level. Measurement of hardness as per Std. one Test / Lot / Heat |
4 | Straightening | Straightness OD Surface Finish | Adjust roller setting measure visual |
5 | Cutting | Square cut Length | Right angle to length, visual |
6 | Deburing | Burs removel On OD and ID Edges | Visual |
7 | Chemical Treatment a) Pickling b) Passivation c) Bath |
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8 | Hydrostatic Pressure Test | Test Pressure | 100 % Inspection at test pressure specified as per ASTM Std. |
9 | Final Inspection |
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10 | Marketing | Marking as per Std. | Check for proper marking |
11 | Packing | Seaworphy Packing / Wooden Cart | Check for packing, Quantity, shipping mark, |