all base materials are checked
upon arrival by a Spectroport
material analyzer
bend testing in accordance
with ASTM A370
tensile and yield strength
testing in accordance
with ASTM A370
hardness testing in
accordance with Vickers
macro & micro examination

Our quality assurance system is certified in accordance with the ISO 9001 standards. An independent quality assurance department is responsible for all working procedures required to ensure that all manufacturing processes are carried out in accordance with international technical delivery conditions like ASTM/ASME, EN, API and with the customer specifications.

Furthermore Sosta has been certified in accordance with the OHSAS 18001 to secure the occupational health and safety of our employees and to eliminate and minimize the risks associated with their activities.

Sosta has several third party approvals for their manufacturing process as well as customer approvals.

Third party approvals:

Selection of customer approvals:

Destructive & non-destructive testing

In assuring the quality of our products, our own in-house testing facilities play an important role. Our laboratory is well equipped to perform a wide variety of both destructive and non-destructive quality tests.

Destructive testing includes:

Non-destructive testing includes:

For the purposes of non-destructive testing we have at our disposal state-of-the-art equipment for ultrasonic and radiographic examination, eddy current testing and hydrostatic testing.