Chemical Testing of Metals
At PERFECT we use world class test equipments/facilities, wide range of CRM's from MBH, BAS England to calibrate & Intermediate checks of our spectrometers, variety of reference standard solutions certified by NIST USA and large library of reference standards. Laboratory emphasize on competency of lab technicians who make use of these equipments/facilities.
On request PERFECT carries out PMI testing at site which is useful for segregation and grade identification.
- Optical emission spectrometer
- Atomic absorption spectrometer
- PMI
- Carbon sulphur analyzer
- Electrolysis (Platinum Electrodes)
- Wet analysis
- Ash content
- Mercurous nitrate test
- Mass of coating (zinc, phosphate, etc)
- Specific gravity
Salt Spray Test
- ASTM B 117: NSS (Sodium Chloride test solution | Assessment of rust period)
- ISO 9227: NSS (Sodium Chloride test solution | Assessment of rust period | Determination of mass loss)
- IS 9844: Neutral salt spray test for assessment of the quality of coatings
Laboratory provides photographs of test specimen before, intermediate, after test as per requirement.
Mechanical Testing of Metals
At PERFECT competent laboratory technicians use various calibrated test equipments, instruments and gauges to perform following and many other tests on materials like plates, bars, wires, pipes, TMT/TOR bars, wires/thin foils, articles, weldments, etc.
As a requirement of standard and / or on demand of valued patron PERFECT issues real time graphs of material behaviour while testing, photographs, etc.
For calibration PERFECT uses CRM's from NIST, USA. Calibration activity of major equipments at PERFECT witnessed by most of the reputed third party inspection agencies like LRA, TUV, DNV, IRS, BVIS, etc. and government authority Steam boilers.
- Tensile Test (offset method, YS, UTS, % Elongation, % Reduction Area)
- Bend Test (3 point guided bend: Base metal, Root bend, Face Bend, Side Bend)
- Izod Impact Test As Per IS/BS
- Charpy Impact As Per IS/BS (Temperature 100 deg * C to Minus 196°C)
- Charpy Impact As Per ISO/ASTM (Temperature + 100°C to Minus 196°C)
- Torque/torsion test
- Rockwell Hardness (HRA, HRBW, HRC, HRF)
- Brinell Hardness (10/3000, 10/1000, 10/500, 2.5/187.5 * kgs)
- Vickers Hardness (HV 1,5,10,20,30,50 kgs)
- Micro Vickers Hardness (HV 1,0.5,0.3,0.2,0.1,0.05,0.02,0.01 kg)
- Superficial Hardness (HR15N, HR30N, HR45N, HR15TW, HR30TW, HR45TW)
- Hardness By Portable Tester (HRA, HRB, HRC, HRF, HBW, HV)
- Nick Break Test
- Flattening/Flaring/Flanging Test/Crush Test
- Compression Test of springs/articles
- Proof Load Test (Nuts/Bolts)/ Wedge Load Test (Bolts)
- Reverse Bend Test/Reverse Flattening Test
- Breaking Load Test/Pull Test/Push Test On Assemblies/Jobs
- Tube To Tubesheet Mockup: Pull Out Test/Push Out Test
- Fracture Test/ Peel Test On Fillet Weld
- Shear Test On Cladded Plates/Shear Test On Brazing/Shear Test On Spot Welding
- Erichsen Cupping Test
Corrosion Testing of Metals
At PERFECT we carry out various types of Metallographic | Microstructure Examination | Corrosion Testing of Metals according to IS, BS, ASTM, ASME, ISO, DIN, etc standards For every test, PERFECT has got separate or multiple setups according to relevant standard to cater to the urgency of our patrons.
- Ferrite content test
- Micro structural examination
- Macro structural examination
- Minimum Leak Path in weld
- Stereo microscopy
- Surface finish/roughness test
- Coating Thickness test
- Decarb layer / Case depth test (Microscopic method / Hardness method)
PERFECT performs variety of corrosion tests as described below,
As a requirement of the standard or our patron, PERFECT issues photographs of test results and/or tests conducted, using image analyser.
Inter-granular Corrosion (IGC ) Test as per ASTM A 262
- Practice A: Oxalic Acid Etch Test
- Practice B: Ferric Sulphate-Sulphuric Acid Test
- Practice C: Nitric Acid Test
- Practice E: Copper-Copper Sulphate -16% sulfuric acid test
- Practice F: Copper - Copper Sulphate -50% Sulphuric Acid
ASTM A 923 Corrosion Tests
(Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels)
- Test Method A: Sodium Hydroxide Etch Test for Classification of Etch Structures of Duplex Stainless Steels
- Test Method B: Charpy Impact Test for Classification of Structures of Duplex Stainless Steels
- Test Method C: Ferric Chloride Corrosion Test for Classification of Structures of Duplex Stainless Steels
ASTM G 28 Corrosion Tests
(Detecting Susceptibility to Intergranular Corrosion in Wrought, Nickel-Rich, Chromium-Bearing Alloys)
- Method A, Ferric Sulfate-Sulfuric Acid Test
- Method B, Mixed Acid-Oxidizing Salt Test
Metallographic | Microstructure
Pitting and Crevice Corrosion Tests as per ASTM G 48
(Pitting and Crevice Corrosion Resistance of Stainless Steels and Related Alloys by use of Ferric Chloride Solution)
- Method A: Ferric chloride pitting test
- Method B: Ferric chloride crevice test
- Method C: Critical pitting temperature test for nickel-base and chromium-bearing alloys
- Method D: Critical crevice temperature test for nickel-base and chromium-bearing alloys
- Method E: Critical pitting temperature test for stainless steels
- Method F: Critical crevice temperature test for stainless steels
ASTM G 123 Corrosion Tests
(Evaluating Stress-Corrosion Cracking of Stainless Alloys with Different Nickel Content in Boiling Acidified Sodium Chloride Solution)
Chloride Stress Corrosion Tests as per ASTM G 36
(Evaluating Stress-Corrosion-Cracking Resistance of Metals and Alloys in a Boiling Magnesium Chloride Solution)
ASTM A 763 Corrosion Tests
(Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels)
- Practice W, Oxalic acid etch test
- Practice X, Ferric sulfate-sulfuric acid test
- Practice Y, Copper-copper sulfate-50% sulfuric acid test
- Practice Z, Copper-copper sulfate-16% sulfuric acid test
ISO 3651-1
Corrosion test in nitric acid medium by measurement of loss in mass (Huey test)
ISO 3651-2
- Method A, 16% sulfuric acid/copper sulfate test (Monypenny Strauss test)
- Method B, 35% sulfuric acid/copper sulfate test
- Method C, 40% sulfuric acid/ferric sulfate test
WPS | PQR | WPQ
At PERFECT we perform tests as per various national and international codes for Welding Procedure Qualification Record (PQR)
- ASME Section IX
- ASME Section VIII
- ISO 15614-1
- ISO 15614-2
- ISO 15614-8
- ISO 15614-12
- AWS D 1.1
- AWS D 1.6
- IS 7307
At PERFECT we perform tests as per various national and international codes for Welder Qualification (WPQ)
- ISO 9606-1
- ASME Section IX
- AWS D 1.1
- AWS D 1.6
- IS 7310
According to Indian Boiler Regulation PTC testing as per Class I, Class II, Class III (SIB), Welder qualification and check test of material
Production test coupon testing as per IS 2825: Unfired pressure vessels
Electrode qualification: Qualification testing demonstrates that when a structure is exposed to the type of service environment in which it is expected to operate, the overall system will meet all of its fits performance criteria.
Tube To Tubesheet Mockup: As per ASME Section IX, ASME Section VIII
Test as per NACE MR0175/NACE MR0103
