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QUALITY  PLAN
( Final Inspection )

QFM / QC /  11

REV. STATUS : 01

Dated : 03/12/2003

     
S. No Product Test Performed Checking  Parameter

Method of Checking

Sample  Size Frequency IMTE Used Acceptance  Criteria
1. Pipe Fittings Physical Verification Dimensions Manual 8 pcs / item Each Lot Vernier Calliper As per  SS . QFM
/ QC /  01
Wall  thickness Manual 8 pcs / item -do- P– type Caliper As per  SS . QFM
/ QC /  01
Cracks Visual 13 pcs / item -do- -------- No  cracks as per IS : 1879 – 1987
Unfilled Visual -do- -do- -------- No  unfilled as per IS : 1879 – 1987
Deep  pits Visual -do- -do- -------- No  deep  pits as per IS : 1879 – 1987
Shifting Visual -do- -do- -------- No  shifting as per IS : 1879 – 1987
Deposits Visual -do- -do- -------- No  deposits as per IS : 1879 – 1987
Zinc  Coatings Surface smoothness Visual -do- -do- ---------- Smooth  surfaceas as IS : 1879 – 1987
Flux  ash Visual -do- -do- ---------- No flux ash as per IS : 1879 – 1987
Bare patches Visual -do- -do- ---------- No bare patches as per IS : 1879 -1987
Pimples Visual -do- -do- ---------- No pimples as per IS : 1879 – 1987
Lumps Visual -do- -do- ---------- No lumps as per IS : 1879 – 1987
Rust strains Visual -do- -do- ---------- No  rust  strains  as IS : 1879 – 1987
Excess  / less deposits Visual -do- -do- ---------- No excess/less deposits IS : 1879 – 1987
Alignment Test Straightness / 90° Manual 8 pcs / item -do- Jigs 180°± ½°,  90°± ½°
IS : 1879 – 1987
Chamfering External / Internal threads Visual -do- -do- ---------- No item without  chamfer
Threading Gauge   -do- -do- Thread Guage ± 1¼  thread as  per  IS: 8999 - 1979
Chemical Test Carbon content Manual 2 pcs/item -do-   No  shifting as per IS : 1879 – 1987
Silicon content Manual 2 pcs/item -do-   No  shifting as per IS : 1879 – 1987
Pneumatic Test Air–leakage Manual Whole Lot -do-   At 15 bar pressure no leakage of air bubbles when dipped inside water
Remarks :- 1. All  dimensions  are in  mm.  unless  otherwise  specified.
                 2. Calibrated  instruments  are used  for  inspection.
                 3. 100%  pneumatic  test is  performed  for  gas fittings only.