Gas Fired Power Plants

Gas Fired Power Plants

A complete product offer of steel grades and dimensional rangeS

Combined cycle gas-fired power stations work on the basis of a gas and steam cycle. Part of the electric power is produced by a gas turbine directly connected to an alternator. Since exhaust gases leave the turbine at very high temperatures, the energy that otherwise would be lost is recovered through a heat recovery steam generator (HRSG).

The HRSG is a heat exchanger which recovers heat from the hot exhaust gases producing steam which drives a steam turbine generating electricity. The combination of the two cycles results in a very high level of efficiency. These power plants can be started up rapidly and so are also used to supply large amounts of energy during periods of peak demand.

From carbon to high alloys

For combined cycle gas-fired power plants, Tenaris supplies tubes and pipes in carbon, low-alloy steel (T/P11, 13CrMo4-5, T/P22, 10CrMo9-10, P36, 15NiCuMoNb564, T/P23, 7CrWVMoNb9-6), and high-alloy steel (T/P91, X10CrMoVNb9-1, T/P92, X10CrWMoVNb9-2) used for heat-recovery steam generators, headers, steam lines, connection pipes and other power plant apparatus required to withstand high temperatures and high pressures. All these steel grades have elevated creep resistance combined with good resistance to corrosion and oxidation.

Quality Certifications

All Tenaris products for gas-fired power plants are designed according to the most stringent quality standards and manufactured under the certified quality system (ISO 9001). Quality control procedures include statistical process controls, process and product audits as well as traceability systems covering all the manufacturers involved.

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