Water can carry a boat and overturn it. Steel bars can be made into materials or scraps. It depends on how you store them. Anyone would like to buy steel bars that are bright and shiny. However, we will see steel bars covered with rust stains in the yard. They are scrap steel and can no longer be used.
It's hard to say how long the polished steel bars will last, but there must be no problem for more than a year. It's useless to use antirust agents, and they can't be fully protected. At the construction site, we can see that the surface of steel bars is slightly rusty. This kind of steel bars can be used normally. The steel bars with rust like this can also increase the friction between steel bars and concrete surface, so it is beneficial.
Generally, reinforcing bars should not be soaked in water, but covered with rayon cloth. They should be stored in storage or shed. When stacked in open air, they should be stored overhead and not less than 300 mm off the ground.
Storage of steel bars in warehouses:
On-site steel bar storage:
Summary of storage and classification of reinforcing bars:
1. Rain-proof measures should be taken to prevent it from raining.
2. There are moistureproof measures under, preferably overhead.
3. Spread, steel bar open a little is also conducive to rust prevention.
May will soon be over, June and July Beijing into the rainy season, to prevent steel rust can not be slackened. Reinforcement bar is a large piece, a ton of steel bar to 3800 yuan / ton, for such goods must be well protected, rust removal is a minor matter, completely can not be used, into scrap steel that is the biggest loss.
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