CROSS Safety Report
Steel fabricators substituting S275/S355 steel for S235 steel
This report is over 2 years old
A reporter has been asked many times by fabricators if they can use grade S235 steel in lieu of S275 or S355.
Key Learning Outcomes
For construction professionals and steel fabricators:
Substitution of construction elements for a lower grade material, should not be made without approval from the design engineer
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CROSS report 634 and report 740 refer to the use of grade S235 steel in lieu of S275 or S355. A reporter has been asked many times by fabricators if they can make this substitution, usually on cost grounds as there is a significant saving in using S235. Most do not appreciate the distinction, and this applies to some manufacturers too.
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