Quality Assurance System implemented at Hitech Instrumentations covers all production stages right from the raw material, re-drawing, annealing, till the final product is ready for dispatch. The elements of the quality assurance system correspond to the requirements of national and international standards, as well as customer's own Quality Assurance

Quality Assurance Plan

Sr.No

Process

Characteristics to be   Checked

Measuring Instruments

Quantum to be Checked

1

 Raw Material:
Tube Inspection		 Dimensions

Micro Meter

Random Sampling

2

 Swaging Swage degree and length

Visual

Random Sampling

3

 Drawing :-
Intermediate Cutting		 Dimensions
Surface & Length

Micro Meter
Measuring Tape

Random Sampling

4

 Intermediate Annealing

Draw Ability

Visual

Random Sampling

5

 Straightening

Dimensions
Straightness

Micro Meter
Visual

Random Sampling

6

 Finish Cutting

Length

Measuring Tape & Visual

100 %

7

 Deburring

Burrs on End

Visual 
Micro Meter

100 %

8

 Inspection

Length and Surface

Measuring Tape & Visual

100 %

9

 Annealing

Temperature Speed

Thermo Couple and Speed Controller

Batch Wise

10

 Final Inspection and
Testing

Dimensions and
Leakage Testing
Physical and Mechanical Test

Micro Meter & Measuring Tape
Hydrostatic & Pneumatic Testing
UTM, Hardness Tester Etc.

100 %
Random
Sampling
Random Sampling

11

 Packing & Dispatching

Marking & Packing

As per  Customer requirement

100%

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