Project Introduction

Project name: Jurong Shipyard in Singapore

Project type: Workshop

Address: Jurong, Singapore

This project has a construction area of 120,000 square meters and a total steel capacity of 17,000 tons. The main components are lattice columns and h-type steel beams, and the maximum crane is 250 tons. Transport to Singapore port.

Corrosion resistance of steel structures

Large steel structures such as lightening rod iron towers, sea lighthouses, large reservoirs, water supply towers, offshore oil recovery facilities, tank trucks, spherical tanks, storage tanks, fuel tanks, carbonization towers, heat exchangers, chimneys, containers, ship hulls, offshore platform steel structures, etc., have long been in the ocean atmosphere, industrial atmosphere corrosion environment. If you want to use for a long time, and do not carry out large area maintenance, long-term coating protection is the best before, the service life can reach 20-30 years, maintenance costs are small, can get obvious economic benefits.

Application of steel structure in shipyard

Atmospheric environment of the steel structure from the sun, wind, rain and snow, frost and dew, and the function of temperature and humidity change by all the year round, including atmospheric oxygen and the moisture is the important factors of corrosion of outdoor steel structure, steel structure corrosion caused by the industrial gases containing SO2, NO2, CI2, H2S, CO2 and NH3, although these ingredient content is very small, but the steel corrosion harm is not to be ignored, which had the greatest influence of SO2, CI2 can make the metal surface passivation film is destroyed. These gases dissolve in water and become acidic, forming acid rain that corrodes metal structures.
The ocean atmosphere is characterized by a large amount of salt, mainly NaCI. Salt particles are deposited on the metal surface. Due to its moisture absorption and increased conductivity of the liquid film on the surface, CI- itself has a strong erosivity, which aggravates the corrosion of the metal surface. The closer the steel structures are to the coast, the more they corrode, many times faster than in the inland atmosphere.

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