Insurvey is having a composite laboratory at Kolkata for Mechanical, Metallurgical and Chemical Testing for a variety of merchandise as per National & International Standards or Contractual Specification. Insurvey's Destructive Testing Laboratory for Ferrous and Non Ferrous items, Rubber and Plastics is accreditated to NATIONAL ACCREDITATION BOARD FOR TESTING AND CALIBRATION LABORATORIES, Quality Council of India, under ISO/IEC 17025 for the following items in broad head:
Mechanical Testing which includes Metallurgical Testing of Metals & Alloys,
Chemical Testing for ferrous and non ferrous items
Mechanical and Chemical Testing of Rubber and PlasticsDownload NABL Certificate, Click here Scope of testing in detail for the above items is covered in Test Certificates No. TC-6072, Click here
Yield Stress, UTS, Elongation & Reduction of Area, Bend test, Hardness
(Rockwell, Brinell & Vickers)
Microstructure, Grain Size, Rate of inclusion with and without Photomicrograph,
Depth of Decarburization, Case Depth and Thickness of Electroplating.
Mass of Coating, Thickness of Coating, Uniformity of Coating and Adhesion test.
C, Mn, Si, S, P, Ni, Cr, Mo, V, Al, Cu, Nb & Ti
0.2% Proof Stress, U.T.S, Elongation, Weight per meter Run, Surface Characteristics, Bend and Rebend Test.
C,S & P
For full size Bolts: Tensile, Hardness, Wedge tensile, Head soundness, Proof Load test, Shear Strength & cantilever test. For machined specimen - Yield strength 0.2% proof Stress, UTS and elongation, Dump test of Rivets, Torque test of bolts.
N.B.: All above testing arrangements are available with a maximum load of 60 ton for the sizes.
(i).M3 to M39,
(ii).1/4”,3/8",1/2”,5/8",3/4",7/8",1: BSW and
Surface integrity, Decarburisation, Retempering and micro test (carbide
precipitation for S.S. bolt), Embrittlement test and surface discontinuites.
Mass of coating, Uniformity of Coating, verification of coating, coating thickness and adhesion of coating.
C, Mn, S & P – for Carbon Steel Bolts
C, Mn, Si, Ni, Cr, Mo, S & P – for Alloy Steel Bolts.
Proof load test, Hardness, Widening Test, Drifting test, Ageing Test & Torque Test.
[Sizes of the nuts are same as mentioned in bolts with a maximum load of 60 ton.]
Surface discontinuities, Embrittlement test and carbide precepitation for S.S. Nuts.
Mass of coating, uniformity of coating, Adhesion, verification of coating
& thickness of coating.
C, S & P – for Carbon Steel Nuts
C, Mn, Si, Ni, Cr, Mo, S & P – for Alloy Steel Nuts
Permanent set test, Permanent load test, Twist test, and Hardness test.
Mass of coating, Uniformity of coating ,Thickness of coating and verification of
C, Si, Mn, S & P (BY SPECTRO AS WELL AS BY WET ANALYSIS)
Transverse Root Bend Test, Transverse Face Bend, Transverse Side Bend Test, Transverse Tensile Test. All weld tensile test, Longitudiual Bend test, Hardness Survey & Fracture Test.
Macro test, I.G.C. Test (Practice A,B, & E as per ASTM A 262)
Parent Metal as well as weld metal.
C, Si, Mn, S, P, Ni, Cr, Mo, V, Cu, Ti and Cb. (BY SPECTRO AS WELL AS WET METHOD)
Hardness (Rockwell, Brinell, Vickers), Proof Stress, Tensile, Elongation and Reduction in Area.
Microexamination with carbide precipitation and Intergranular test as per ASTM A-262, Practice – A, B,C, D & E.
Load Compression test of Spring, Load test of U-Bolt & Shackles.
Flattening test of Tubes / Pipes.
Expansion / Drifting test of Tube.
Wrapping test of Wire.
Copper and Copper Alloys : Cu, Ni, P, Zn, Pb, Fe, Al, As, Bi, Si and Sn. (BY WET ANALYSIS) Aluminium and Aluminium Alloys : Si, Cu, Pb, Fe, Mg, Ni, Sn, Mn, Ti, Cr & Zn. (BY SPECTRO AS WELL AS BY WET ANLAYSIS) Nickel and Nickel Base Alloys : Complete analysis. Ferro Alloys : Complete analysis except ferrochrome.
Proof Stress, UTS and Elongation. Hardness – Brinell (62.5 kg, 250 kg and 500 kg load) and Vickers (1 kg, 5 kg and 10 kg load)
Mechanical workshop for making
Incharge – Customer Service Cell
In-situ Metallography is a NDT method to study of inservice degradation of microstructural damage mainly in process Plant. more
A Non Destructive Testing method to analyse / identify grade of alloys and metals in seconds even at inservice stage. To avoid events such flow accelerated corrosion. more
For measurement of ferrite content,we render services of onsite measurement of Austenitic platings as well as weld searns in stainless steel pipes, container,boilers or other products made of Austenitic or duplex steel.more
21 &26D,Park Lane Kolkata-700016
Phones:+ 91 33 4072 1183 / 91 7604088809
E-mail: email@example.com / firstname.lastname@example.org
327,R.N Guha Road NagerBazar Kolkata-700028
Phones:+91 33 4005 6324 / + 91 33 7604088810