TREATS is a modern metallurgical testing and development centre, functioning in Kolkata since January 1986. This centre has facilities for testing and inspection of metallurgical raw materials, semis and finished products. We also undertake investigation, failure analysis and quality system counselling for metallurgical / engineering industries.

 

We have the following major TESTING FACILITIES in METALS:

1. Chemical analysis of Metals & Alloys equipped with: 

 

• Spectroscopy Laboratory

• Desktop Spectro for chemical analysis by world renowned>“SpextroMAXx” of Germany for Cast iron, steel & alloys, copper and aluminum alloys, including Nitrogen in steels (ppm level). This machine has additional attachments, which can analyse sheets as low as 0.1mm thick and wires/rods as low as 0.8mm dia.

• Desktop Spectro for chemical analysis by world renowned “HITACHI” of Germany for Nickle and Nickle base alloys, Cast Iron, Steel & Alloys including Nitrogen in steels (ppm level), Copper and Copper alloys, Aluminum and Aluminum alloys, Tin and Tin base alloys and White Metal. This machine has additional attachments, which can analyze sheets and wire rods of low thickness/diameter.

 

1. Mobile/Portable Spectro for chemical analysis of metals and alloys by world renowned German make OXFORD INSTRUMENTS (now HITACHI) for steel, aluminum, copper and zinc base alloys, if required at site also, without destructing the material. This machine can detect all elements, including Carbon, Sulfur, Phosphorus, Silicon and Nitrogen (nitrogen in duplex steel) with high level of accuracy as in any other desktop Spectro.

 

• Positive Material Identification (PMI) by world renowned NITON Make PMI tester, for grade identification and sorting out of material, without destroying the finished goods, at site, if required.

• Positive Material Identification (PMI) by world renowned Olympus Venta C Make PMI tester, for grade identification and sorting out of material, without destroying the finished goods, at site, if required. This instrument is programmed to analyze light elements like Silicon, Sulfur, Phosphorous and precious elements (subject to detection limits). 

 

• Metallurgical Analysis Laboratory by conventional wet method of analysis of ferrous and non-ferrous metals, ores and   minerals by conventional wet method analysis.

 

1. Mechanical Testing Laboratory equipped with: 

 

• Universal Testing Machine (60 tonnes max. capacity) with Servo Controlled Electronic Panel & Electronic Extensometer for various type of mechanical tests like Tensile Test, 0.5% EUL, 0.2% Offset, % RA, % El., Bend tests, Proof Load Test of Nuts and Bolts, Proof Load Test of shackles, etc., Flattening and Flaring Tests, Drift Test, Testing of TMT / Deformed Test Bars & Plates, Angles / Channels / Beams, etc. for both ferrous and non-ferrous material.

• Rockwell Hardness Tester (for normal and superficial hardness)

• Brinnel Hardness Tester.

• Vickers Hardness Tester (from 1Kg load to 50 Kg load)

• MICRO Vickers Hardness Tester (from 10 grams to 1000 grams load)

• Cupping Test Machine for thinner sheets.

• Impact Testing Machines (both ASTM & BS/ISO Type) for carrying out Izod and Charpy Impact Tests from room temperature to upto minus 196 degrees Centigrade. ASTM Type Impact Machine is calibrated as per ASTM E23 and BS Type Impact Machine as per ISO 148, by both Direct and Indirect Method.

• Lateral Expansion on impact test specimen.

 

1. Metallography Laboratory having Zeiss Inverted Light Microscope – METAVAL HD - with Metal Image Analyzer & high-resolution CCD camera with PSU for computer generated photomicrographs upto 1000x. We also have Metallurgical STEREOZOOM MICROSCOPE with camera and built-in software, especially designed for clear Macro Photographs and measurements of weld profile requirements as per BS/ASTM specifications.

 

1.  In-Situ Metallography for carrying out metallographic study On-Site &/or for bigger / finished components / material, which cannot be destroyed, with photomicrographs, if required.

 

1. Non-destructive Testing Department having the following facilities:

 

• Three gamma radiography cameras having maximum capacity of 65Ci Ir-192 source.

• Two250KVa X-Ray machine for radiography of thinner plates / pipes / sections of steel / SS and Aluminum

• Three digital ultrasonic flaw detectors DS 322 with color TFT monitor and one analog UT flaw detector.

• Two ultrasonic digital thickness gauges

• Three magnetic particle flaw detectors (Yoke type) 

• Dye-penetrant kits. 

• ASTM Reference Radiographs on Steel Fusion Welds, Steel Castings upto 2” thickness, and Aluminum & Magnesium Casting.

• ASNT Level III head in NDT and/ ISNT/ASNT Level II qualified operators in RT / UT / MPT / DP.

• PCN Level II in UT/RT/MPT/LPT/VT.

• FERITSCOPE to determine Ferrite No. in FN in Austenitic and Duplex Steels by world renowned manufacturer FISCHER (Germany). This unit is compact and easy to handle and can be carried easily ON SITE to execute the job.

 

6.   Facilities for Welding Procedure Qualification and Welder’s Performance Qualification tests as  

per ASME Section IX/ IS/ BS/ EN/ DIN/ API/ AWS/ EIL/ IOCL/ MECON Specifications & QAP.

 

7.   A Special Facility for determining Intergranular Corrosion (IGC) 
8. a) Stainless Steels as per IS and ASTM A 262 specification (Practice A, B, C & E). 
9. b) Facilities for corrosion test of Duplex Steels as per ASTM A923 and G48.

 

8. Facilities for determination of Oxygen in Copper by microscopic method.

 

9. Facilities for SALT SPRAY test as per IS / ASTM specifications, which can be carried out uninterrupted for   

     upto 1500 hours or more.

 

NDT TRAINING SERVICES AS PER ASNT:

 

TREATS has an NDT TRAINING centre where training is imparted by experienced and knowledgeable ASNT / ISNT Level 3 personnel as per ASNT SNT- TC-1A 2020 for the Qualification & Certification of NDT personnel in the field of RADIOGRAPHY TESTING / ULTRASONIC TESTING / MAGNETIC PARTICLE TESTING / DYE PENETRANT TESTING / VISUAL TESTING. 

 

Renewal of existing certificates is also done as per rules and requirements in these fields.

 

TREATS is Accredited by NABL as per ISO/IEC 17025 in the field of Chemical Analysis (by Wet Method, Spectro & PMI), Mechanical Testing (including Impact, Metallography and IGC of SS & Corrosion tests of Duplex Stainless Steels) & Non-Destructive Testing (X-Ray / Gamma Ray / Ultrasonic Flaw Detection & Thickness Gauging / MPT / DP) as per scope of accreditation. TREATS is perhaps the only Laboratory in the Eastern Region to have maintained this recognition since 1998 uninterrupted. 

 

TREATS also has an NDT Site office at Adityapur, Jamshedpur to cater to the NDT requirements there with respect to Radiography, Ultrasonic flaw detection, Ultrasonic Thickness Gauging, MPT, DP, PMI, etc.

WATER / SOIL & SLUDGE / PLANTS / INSECTS

 

TYPES OF WATER ANALYSED:

• DRINKING WATER/ POTABLE WATER
• PACKAGED DRINKING WATER
• PACKAGED NATURAL MINERAL WATER
• EFFLUENT / WASTE WATER
• ETP WATER
• DIALYSIS WATER

FACILITIES / INSTRUMENTS AVAILABLE

TREATS is equipped with basic as well as advanced instruments to carry out Water, Soil & Sludge analysis.

They are as follows:

1) Inductively Coupled Plasma (ICP), PQ 9000 {ANALYTICAL JENA, GERMANY} For analysis of trace elements in METALS, WATER, SOIL & SLUDGE samples from PPB TO PERCENT level is successfully carried out using ICP

2) SPECTROPHOTOMETERS :

1. i) Spectroquant Pharo 300 {MERCK, GERMANY}
2. ii) Vissiscan {Systronics, India}

3) Flame Photometer {Systronics, India}

4) pH Meter

5) Turbidity Meter

6) Conductivity Meter

7) Laminar Air Flow, Autoclaves, Incubators

8) Colony Counter for Bacterial Testing.

The laboratory is also equipped with a well-established MICROBIOLOGICAL DEPT. to carry out various BACTERIOLOGICAL TESTS related to various types of Water.

 

TESTS PERFORMED:

1. A)  WATER:

Color, Odour, pH, Turbidity, Total dissolved solids (TDS), Total suspended solids (TSS) Conductivity, Total Hardness, Total Alkalinity, Chloride, Chemical Oxygen Demand (COD) Biochemical Oxygen Demand (BOD), Dissolved Oxygen (DO), Oil & Grease, Residual Chlorine Salinity, Temperature, Acidity, Iron, Sulphate, Nitrate, Nitrite, Ammonia, Total Kjeldhal Nitrogen Phosphorous, Total Phosphate, Total Silica, Fluoride, Chloramines. 

Toxic elements such as Aluminium, Chromium, Nickel, Manganese, Selenium, Mercury, Antimony, Copper, Calcium, Magnesium, Zinc, Lead, Arsenic, Sodium, Potassium etc.

1. B)   SOIL & SLUDGE:

 EC, Available Nitrogen, Organic Carbon /Matter, pH, Available Phosphorous, Potassium Sodium, Soil moisture, 

Total Kjeldhal Nitrogen, Color, Total Phosphate, Calcium carbonate Cation Exchange Capacity, SAR in soil extract, 

Calcium, Magnesium, Nitrate, Sulphate/ Sulphur Total Organic Carbon, Water holding capacity, Bicarbonate, Chloride, 

Nitrite, Ammonia Potash (available), Mechanical soil analysis, Total Water-Soluble Salt, ESP etc.

1. C)   BACTERIOLOGICAL TESTS {WATER, SOIL & SLUDGE}:

Total coliform, Fecal coliform, E-coli, Fecal streptococci, Enterococcus, Total Plate Count Pseudomonus, etc.

Chemical Analysis by Wet Method

• Plain carbon steels, low and high alloy steels, and stainless steels
• Cast irons
• Ferro-alloys, Monel metal and heat resistant alloys
• Copper, brasses, bronzes and gun metal
• Aluminium and its alloys
• Lead, tin, zinc and their alloys
• Silver and silver alloys

Chemical Analysis by Spectrometer

• Plain carbon steels, low and high alloy steels, and stainless steels (up to 30 elements, including Nitrogen)
• Aluminium and aluminium alloys(up to 30 elements)
• Copper and copper alloys (up to 26 elements with copper purity exceeding 99.99%)

Note: The test results are available up to ppm level

Mechanical Testing

• Tensile test (Y.S., T.S., 0.2% and 0.5% P.S., % Elongation and R.A.)
• Proof load test for bolts\studs & nuts
• Proof load test\ breaking load test for U-Bolt, Shackles, Hanger, etc.
• Compression test
• Bend \ Re-bend \ Double bend test
• Flattening test
• Brinell and Rockwell hardness test
• Permanent set test and twist test for washers
• Wedge load test for bolts
• Head soundness test for bolts and rivets
• Unscrewing test for bolts & nuts
• Re-tempering test for bolts
• Drift expansion test
• Fracture test
• Nick-break test for butt-weld test pieces
• Shear test
• Dump test
• Cupping test
• Performance Qualification Test for welders
• Procedure Qualification Test for welders

Metallographic Testing

• Macro-examination (with or without photo)
• Micro-examination of ferrous and non-ferrous metals & alloys (with or without photo-micrograph)
• Micro-examination of thin sheets \ nodule count etc.
• Metalliccoating thickness by micro-examination
• Case-depth by micro-examination
• Decarburisation by micro-examination with or without photo
• Austenitic grain size with or without photo-micrograph
• Inclusion rating with or without photo-micrograph
• Oxygen content in copper by micro-examination

Galvanising Tests

• Dip (Preece) test
• Mass test
• Adhesion test
• Embrittlement test
• Coating thickness by Elkometer

Non-destructive Testing

• Gamma radiography
• Ultrasonic flaw detection
• Ultrasonic thickness gauging
• Magnetic particle flaw detection
• Dye-penetration test

These instruments are portable and can be taken to any place in India, thus tests can be conducted at site.

Tests Performed

A. Water: Color, Odour, pH, Turbidity, Total dissolved solids (TDS), Total suspended solids (TSS) Conductivity, Total Hardness, Total Alkalinity, Chloride, Chemical Oxygen Demand (COD) Biochemical Oxygen Demand (BOD), Dissolved Oxygen(DO),Oil & Grease, Residual Chlorine Salinity, Temperature, Acidity, Iron, Sulphate, Nitrate, Nitrite, Ammonia, Total Kjeldhal Nitrogen Phosphorous, Total Phosphate, Total Silica, Fluoride, Chloramines.
Toxic elements such as Aluminium, Chromium, Nickel, Manganese, Selenium, Mercury, Antimony, Copper, Calcium, Magnesium, Zinc, Lead, Arsenic, Sodium, Potassium etc.

B. Soil & Sludge: EC, Available Nitrogen, Organic Carbon /Matter, pH, Available Phosphorous, Potassium Sodium, Soil moisture, Total Kjeldhal Nitrogen, Color, Total Phosphate, Calcium carbonate Cation Exchange Capacity, SAR in soil extract, Calcium, Magnesium, Nitrate, Sulphate/ Sulphur Total Organic Carbon, Water holding capacity, Bicarbonate, Chloride, Nitrite, Ammonia Potash (available),Mechanical soil analysis, Total Water Soluble Salt, ESP etc.

C. Bacteriological Tests (Water,Soil & Sludge} : Total coliform, Fecal coliform, E-coli, Fecal streptococci, Enterococcus, Total Plate Count Pseudomonus, etc.

Besides Water, Soil & Sludge we also carry out analysis of Plants & Insects as per requirement.