Quality assurance plan

Quality Assurance plans are prepared in accordance with specific requirements stated by the customer and respective. ASTM specifications, Mandatory and Supplimentarty requirements are translated to special instructions and audits performed during mnaufacturing and inspection.

Inspection Stages and check hold points are decided to carry out in process inspection and record important stages of inspection and tests.

A separate quality assurance/ control Department functions under the control of management independent of production. The quality assurance departement overseas all important quality function and performs the following activities : 

Material Control: 

This Controls the quality of all incoming material. The incoming material specification are co-realted with raw material test certificates of the material. 

The checks and tests are documented . The material is given internal control No and same is recorded for the future reference.

Process Control: 

During forming, forging and heat treatment, process control system outlines in process checks and controls to be followed during heat treatment and testing. Forging and interim heat treatment in the process control reduces the chances of introduction of variables in the process.

Each lot of fitting as defined in ASTM specification are subjected to heat treatment and testing. 

Testing is performed in accordance with specification requirements. Test data is evaluated by QA department and recorded in approriate format, Supplimentary test like radiography, ultrasonic, corrossion testing etc. is done as per code guidelines.

Machining and Dimensional Control :

Suitable fixtures and templates are used to maintain dimensional accuracy- Necesarry gauges and callipers are calibrated periodically to maintain their accuracy.

Finishing Painting & Marking :

Carbon and Alloy steel fitting are shot ballasted or pickled and painted. Stainless steel fitting are pickled and passivated. All fitting are marked with size, schedule, specification and maufacturer stamp.

Equipment calibration and adults are done as per quality plans.

Certification and Supplimentary Test:

Fitting Supplied to QAP are supplied with test certificate. Test certificate Incorporated, chemical , Mechanical and Hardness properties, also it gives details of heat treatment, Hydro test pressure, supplimentary test and stamping details.

Additional Information and test data is furnised as per customer requirement.