Qualitative analysis of alloys by the spot – test in accordance with ASTM STP 550 standard, as well as quantitative analysis and determination of the heat treatments performed based on the alloy composition.

·        Implementation of various steps in preparation of metallic samples including mechanical and electrochemical polishing and microscopic analysis of different alloys and metal coatings and preparation of their photomicrographs.

·         Hardness testing of alloys and metallic coatings in HB, HV, HK and all the HR scales in accordance with ASTM and ISO standards.

·         Performance of various mechanical tests including tensile, compression, bending and fatigue at room temperature and up to 1000 oC in accordance with ASTM, BS,ISO and DIN standards up to 200 KN applied load.

·         Performance of impact test in both charpy and izod systems in the temperature range from –160 o to 150o C and impact loads up to 750 J, and preparation of the transition curve.

·         Determination of the Coefficient of linear thermal expansion in metals and ceramics as  well as their phase transformation within the range 180o to 1400o C by differential dillatometry apparatus.

·         Carrying out various heat treatments on laboratory samples in air or vacuum to 1400oc.

·         Thickness measurement and crack or flow detection by nondestructive methods using ultrasonic testing equipments.

·         Superficial crack detection by dye penetrant test methods.

·         Evaluation of magnetic permeability in paramagnetic materials in accordance with ASTM A342 standard.

·         On-site nondestructive metallography and microstructural analysis with the aid of replication method for the investigation of prevailing metallurgical condition and possible phase transformation in the subject equipment alloy.

·         Studying stress corrosion cracking (SCC) under conditions of constant load, constant strain or constant strain rate in various corrosive solutions at required temperatures and atmospheric pressure.

·         Determination of the degree of susceptibility to intergrannular corrosion in alloys in accordance with ASTM A 262 standard.

In addition to the above test, following investigations can also be handled by utilizing the available equipments and procedures:

• Investigation on the existing condition of any alloy which have been in service and due to occurrence of a metallurgical  phenomenon has lost its original soundness.
• Failure analysis on various alloys by fractography and microstructural studies.
• Qualitative studies of alloys and metallic coatings to determine their compliance with the relevant standards.
• Determination of remnant life of heater and boiler tubes, as well as the high temperature components in steam and gas turbines.

      ·          Instrument for dissolved oxygen in electrolyte solutions.

·          Instrument for measuring conductivity of solutions.

·          PH meter to describe hydrogen ion activity in a solution.

·          Spectrophotometer to measure anions and cations in a solution.

·          Measuring corrosion rate such as weight lost method, Linear, and Tafel Polarization.

·          Measuring corrosion mechanism with electrochemistry techniques (Chronoampermetric, Chronoampermetric Voltammetry, and Cyclic Voltammetry).

·          Evaluation of corrosion inhibitors in raw and industrial waters.

·          Evaluation of corrosion inhibitors used in petroleum and Chemical industries.

·          Evaluation of antifreeze quality with regards to corrosion.

·          Studying the reasons for forming scales in industrial and non-industrial systems and descaling them.

·          Designing anodic and cathodic protection.

·          Designing a system and necessary methods for apponting corrosion rate in industrial and non-industrial systems.

·          Atmospheric corrosion rate control in industrial workshops.

·          Designing and construction of pilot systems for investigations in corrosion products.

·          Corrosion database software developments.

To obtain more information please contact:

 Mr. A. R. Aghasadeghi

 Tel: +98 21  5901094

 Fax: +98 21  5901094

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• Arsenic, selenium and mercury

• Metals by flame Atomic absorption spectrometry (mg.l^-1)**

• Total organic carbon (TOC)

• Metals by electro thermal atomic absorption spectrometry **

• Metals by Atomic absorption chelation extraction with APDC

• Dissolved oxygen in water

• Turbidity of water

• Total Dissolved solids

• PH

• Sulfide

• Conductivity

• Nitrite in water

• Nitrate Brucine method

• Total suspended solids

• Phenolic compounds in water

• Sulfate ion in Breakish water, sea water, and  Brines

• Sulfate ion in water by gravimetric method

• Carbon dioxide

• Silica in water

• Ammonia Nitrogen in water

• Temperature

• Hardness

• Salinity

• Alkalinity

• Biochemical oxygen Demand (BOD5)

• Oil & Grease

• Chloride

• Detergent - Methylene Blue Active substances

• Phosphorus in water

• Formaldehyde in water

• Sulfite

• Fluoride

• Color

• Iron (Fe²⁺ , Fe³⁺)

• Chromium (Cr³⁺ , Cr⁶⁺)

• Chemical Oxygen Demand of water (COD)

• Cyanides in water

• MIVSS and MLSS

• Hydrocarbons

• Identification of Iron Bacteria Thiobacillus ferrooxidan           

• Identification of Iron Bacteria Gallionella                               

• Identification of Iron Bacteria Sphaerotilus                             

• Hetrotrophic palte count                                                       

• Evaluation of chemical for control of microbial growth. (Algae, sulfate, reducing bacteria, Hetrotrophic bacteria fungi)                                                    

• Fecal Coliform MPN Procedure                                               

• Standard total coli form multiple tube (MPN) fermentation techniques

• Detection and enumeration of Faecal streptococci

• Isolation of hydrocarbon utilizing microorganisms

• Determination of the viable microbial content of fuels and fuel components boiling below 390^oC

• Determination of solid particle contamination in hydraulic fluids

• Evaluation of sulfate reducing bacteria in water and wastewater (SRB)

• Investigation of microbial testing

• Colony count by Neubaer

• Microbial treatment of jet fuel tanks

• Evaluation coating Resistance in jet fuel tanks by SRB bacteria

• Gram - stain Bacteria

• Sulfur Dioxide content of the atmosphere

• Nitrogen Dioxide in the Atmosphere

• Evaluation of total Sulfating Activity in the Atmosphere by lead Dioxide Technique

• Determination of total suspended particulate matter in the Atmosphere

• Determination the amount of particulate Matter in the Atmosphere by Measurement of the light Absorbance of a filtered sample

• Collection and Measurement of Dust fall (settle able particulate Matter)

• Lead in the Atmosphere by colorimetric Dithizone procedure

• Determination of Ammonia in Atmosphere

• Determination wind speed and wind direction

• Determination of free chlorine content of the Atmosphere (Methyl orange method)

• Measuring Humidity with a psychrometer (the Measurement of wet and Dry Bulb Temperatures)

• Flue Gas and Draught Measurement (⁰C, O2, CO2, CO, NOx, SOx)

• Determination of total solvent extractable content (TSEC)

• Hydrocarbon compounds

• PH

• Chloride

• Trace Elements * (heavy metal)

* Al, Ba, Cd, Ca, Cr, Co, Cu, Fe, Pb, Mg, Mn, Mo, Ni, Sr, V, Zn,...

To obtain more information please contact:

Mr.  H.  Asgarzadeh

Tel: +98 21 55901094

Fax: +98 21  55901094

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