Monthly Archive October 2017

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CORROSION STUDIES AT SANRAY LABORATORIES PVT LTD

INTRODUCTION

Sanray laboratories Pvt Ltd, Hyderabad is in a position to undertake “corrosion management”
Services in several industries.

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TESTING ON SURFACE CLEANING AND FINISHING INDUSTRIES AT SANRAY LABORATORIES PVT LTD

INTRODUCTION:

In Andhra Pradesh and Telangana as well as in India, there are thousands of industries who
Needs the service of Sanray laboratories services where we can serve for the following:

Selection of cleaning processes.
Testes for cleaning.
Removal of residues from NDT like magnetic particle inspection.
Problems of abrasive blast cleanliness.
Problems in pickling & salt bath descaling.

TYPES OF TEST:

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TESTING & QUALITY INSPECTION IN HEAT TREATING INDUSTRIES AT SANRAY LABORATORIES PVT LTD., INTRODUCTION

INTRODUCTION

Sanray Laboratories  Pvt Ltd., provides testing, inspection, And advice as well as testing & quality control.
The areas of heat treating are:
1. Annealing.
2. Normalizing.
3. Hardening and tempering.
4. Case – hardening.
5. Case nitriding.
6. The specific areas like:

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NON DESTRIVE EVALUATION METHODS, LPI, MPE, UT&RADIOGRAPHY AT SANRAY LABORATORIES PVT LTD

INTRODUCTION
non – destructive evaluation (NDE) used to determine various activities with in the field, comprising.
• Flaw detection and evaluation.
• Leak detection and evaluation.
• Metrology measurement of dimensions.
• Defect location.

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TESTING IN ELECTRONIC INDUSTRIES AT SANRAY LABORATORIES PVT LTD

TESTING IN ELECTRONIC INDUSTRIES
INTRODUCTION
sanray laboratory services especially  involved in the testing of  electronic components and direct chip mounting: the industries involved in:
• Active analog components.
• Active digital components.

 

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INDUSTRIAL USE OF SCANNING ELECTRON MICROSCOPE AT SANRAY LABORATORIES PVT LTD.

INTRODUCTION
Most important use of SEM is for fractographic studies of failed samples in service. The second
An application is an impending structural failure. It can provide mechanistic basics of fracture process
The tool can be employed for a variety of applications. Read More

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TESTING OF FOUNDRY PRODUCTS &QUALITY CONTROL INSPECTION IN CASTING INDUSTRIES INTRODUCTION

SANRAY LABORATORIES PVT LTD

Around twin cities and both in Telangana and Andrapradesh there are 100 to 150 casting
Industries are present. They need the services of metallurgists/ or Mechanical Engineering
Quality background for the following:
Type of moulding such as:
a) Sand moulding b)C02 moulding c)Shell moulding d)Core moulding e)Investment Casting

1. Charge calculations.
2. Degassing.
3. Spherodization.
4. Dimensional/ tolerance.
5. Defect diagonization.
6. Flaw diagonization.

Types of tests:

a) Quality of sands.
b) Quality of cores.
c) Quality of casting.
d) Gating, Rizering.
e) Non – destructive tests such as Radiography, Ultrasonic, Eddy current.
f) Metallography.
g) Mechanical testing.
h) Hardness testing.
i) Metallography (by SEM-EDS).
j) Failure investigation.
k) Defects investigation.
l) Surface roughness.
m) Radiography, and surface finish.

Types of casting industries:

1. Cast iron industries.
2. Steel casting industries.
3. Aluminium product casting industries.
4. Copper casting industries.
5. Magnesium casting industries.
6. Lead alloy casting industries.

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APPLICATION OF X-RAY DIFFRACTION IN MATERIALS

SANRAY LABORATORIES PVT LTD

X –ray diffraction is a tool for the investigation of the fine structure of matter. this tool can be
Used for a variety of applications such as: Read More

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INVESTIGATION ON FAILURE OF DTH (DOWN-THE-HOLE) HAMMER BIT

INVESTIGATION ON FAILURE OF DTH (DOWN-THE-HOLE) HAMMER BIT
1. Introduction:
EN 353 grade ferrous material was subjected to forging a DTH bit which was further subjected to heat treatment, upon completion of heat treatment surface cracks observed. An investigation into the occurrence of surface cracks was carried out with the main focus on identifying the reasons either raw material or heat treatment.
Heat Treatment Cycle:
1. Hardening @   820 ˚ C for 32 hrs
2. Oil Quenching
3. Tempering @ 180˚C for 3 Hrs
4. Oil Quenching

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INORGANIC & ORGANIC CHEMICALS AT SANRAY LABORATORIES PVT. LTD.,

All the inorganic and organic chemicals in the form of solids, liquids can be analysed and identified by using FT-IR instrument. This instrument gives the presence or absence of functional groups that can be identified specifically to the compound in question.
As this instrument is very accurately designed, it is also possible to do the analysis and compare it with the standard compound with known purity. Thus, it becomes an easy job to calculate the percentage of purity of the compound in question. Read More