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Quality Control – Testing

Quality Control, Inspection and Marking

Heraki feels commited to confirm it’s clients the quality of their ordered products.Personal handling of your order from the moment your order is received untill the invoice is issued and formost sending of certificates will safequard Maron’s high quality of supply.The above is the key to our succesfull position as being an international vendor.

The above mentioned Certificates will allways include :

  • Chemical Values.
  • Mechanical Values
    • Hardness, 
    • Tensile, 
    • Yield,
    • Elongation and, 
    • Charpy V-Notch (if required by the norm)

Besides the above Hekari can arrange any kind of 3rd Party Inspection on your behalf.
Choice of organisation shall be that of our Client and Maron Steel Supplies will comply.

We mention :

  • Lloyds Register of Shipping. ( LRS )
  • Tuev Germany. (TUEV)
  • Germanischer Lloyd (GL)
  • Det Norske Veritas (DNV )
  • Societe General Surveillance ( SGS )
  • American Buro of Shipping ( ABS )
  • Any appointed organisation in clients option.

Hekari Steel Supplies follows your Marking , Colour coding , labelling and certification demands to the letter.
Your instructions are implemented without fail and double checked before shipment. Maron shippes the ordered goods strictly neutral !!! as we 100 % respect the relation of our client with the enduser resp. end receipiant of the goods. Maron are teamplayers and we understand the importance of this feature very well.

NON Destructive and/or Destructive Testing :

Maron can perform all your additionally required Non Desctructief and / or Destructive Examinations thorough and fast.
Facilities for your (possible) preliminary (SPWHT) Heat treatment requirements , acc. To your Norms and Specifications, is available.


Testing is to be done at one of our 2 available, fully certified (= available on request), laboratories within a 25 km radius whereas the Simulated Heat Treatment Cycle shall be performed locally.
Execution and result of your ordered test(s) is available within hours !!!
Maron is expert in fast delivery times which shall enable you to meet all your deadlines.

We mention :

  • Eddy Current Inspection.(EC)
  • Ultrasonic Inspection (UT)
  • Magnetic Particle Examination (MPE)
  • Positive Material Identification. (PMI)
  • Dye Penetrant Examination (PT)
  • Liquid Penetrant Examination (LPE)
  • Intergranular Corrosion Test (IGC)
  • Corrossion Tests (Strauss, Huey and Salt Spray)
  • Hardness Test (Brinell, Rockwell, Vickers, Shore)
  • Charpy V-Notch Impact Test 
  • Rontgen / X – Ray examination
  • Flattening Test
  • Ring Expanding Test.
  • Bending Tests.

All the above under the supervision of your appointed 3rd Party Inspection Organisation (should the same be required).
Execution of the above NDT and DT examinations shall be in accordance with the norms specified by our clients.


The same in full compliance with either ASME, DIN, ISO, SEP, PED or API regulations.