Can S235JR replace Q235B?
A: S235JR is commonly used in foreign trade and foreign investment projects. Its performance is basically equivalent and they are interchangeable.
What should be checked during the acceptance inspection of S235JR upon arrival?
A: Quality certificate, chemical composition, mechanical properties, appearance, dimensions, and impact report.
Can S235JR be used in bridge structures?
A: It can be used for small bridges and ancillary structures; larger bridges generally use higher strength steel.
Is S235JR suitable for building envelopes?
A: Very suitable, such as wall purlins, roof purlins, canopies, and railings.
Which standards are used for S235JR in architectural design?
A: EN 1993 (European standard), GB 50017, GB 50011, and other structural and seismic codes.