Danieli Olivotto Ferrè started up a tube roller-hearth annealing furnace at Tenaris Tamsa in Veracruz, Mexico. The furnace is designed to treat steel tubes coming from cold or hot processing with a maximum throughput of 5 tons/hour. It is able to perform different heat-treatment cycles, including normalizing, annealing, tempering and stress relieving. The pipe to be treated has an OD range from 15-120 mm, thickness from 1.5-20 mm and length up to 16 meters (52.5 feet).
An important feature of the furnace is the possibility to perform heat-treatment cycles under different protective atmospheres: reducing, 100% N2 and air. The reducing atmosphere is fed by a dedicated endothermic gas generator supplied with the furnace.
Tenaris Tamsa is one of the world’s largest manufacturers of steel pipe for the energy and automotive industries.
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