TPi July 2010

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July 2010 Tube Products International 9
news business & market
Imatek, a manufacturer of materials
testing equipment primarily in the
fields of impact testing, has installed
a 30,000J DWT40-30, drop weight
tear tester (DWTT) at Ural Steel in
Novotroitsk, Russia. Imatek’s products
are used to test the properties of
materials, components and assemblies
in industries such as aerospace,
polymer processing, steel production,
automotive and academic research.
The DWT40-30 replaces an older
machine and will be used to test the
fracture properties of steel used in the
manufacture of large diameter pipe
for the oil and gas industries. This is
a significant installation for Imatek, as
it represents the company’s first sale
into Russia following the appointment
of new distributor, Uralsibpromservice
(USPS), based in Chelyabinsk.
Ural Steel is a subsidiary of the holding
company Metalloinvest, and is the
largest enterprise in the South Ural
region and one of the eight leading
metallurgical integrated works in
Russia. The company was founded in
1955, and is now a significant niche
steel producer of strips, tube billets,
bridge steel, machinery construction
steel and billets for exports.
The use of higher grade steels in the
oil, gas and manufacturing industries is
creating the need for a new generation
of specialist impact testers. Imatek
offers a range of DWTT systems for
measuring the fracture characteristics
of steel specimens according to API
recommended practice 5L3, EN 10274
and ASTM-E 436. Steel grades of
X120 and specimens of up to 50mm
can be accommodated.
A major feature of the Imatek range
is the high-quality instrumentation
and analysis software that provides
detailed information, both graphical
and tabular, for the specimen failure.
While the DWTT test method does
not require instrumentation, recent
research indicates that it is of significant
benefit when testing the tougher
X-steels. Instrumentation enables
crack initiation, and most importantly
crack propagation energies, for the
specimen to be determined, which
is considered a better measure of
Imatek has installed a DWT40-30 drop
weight tear tester at Ural Steel
Imatek in Russian sale
‘in-use’ performance for these steels
than visual assessment of the fracture
surface.
Imatek Ltd – UK
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