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Българска версия

Hot-Rolled THN Mining Profiles
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Description
THN Profiles are manufactured at STOMANA SA’s plant in Bulgaria. They have been developed for uses in the production of steel arches for public works and underground mines, as well as formworks for tunnels.

The use of THN profiles in tunnels and roadways supporting, provides not only a higher resistance but also a yielding support.

Mining Profiles are delivered in bars with mass 16.50 / 20.92 / 29.00 Kg/m, in length between 6 and 12m.

The most common steel grade produced in STOMANA is the 31Mn4 according to DIN 21544.
Other standards can be met upon request.
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