Q345FRC material is a steel plate for refractory structure.
Standard: GB/T28415. This standard is applicable to steel plates with fire resistance and thickness not greater than 100mm for building structures.
Q345FRC steel plate designation method:
Q—The first letter of the Chinese Pinyin of "qu";
345—The lower limit value of the yield strength, in MPa;
FR—"Fire-resistant" English prefix;
C—Quality grade is C grade.
When the steel plate has performance in the thickness direction, a symbol representing the performance level in the thickness direction (Z direction) is added after the above-mentioned grade, for example: Q345FRCZ35
Q345FRC steel plate size tolerance:a. The size, shape, weight and allowable deviation of Q345FRC steel plate should meet the requirements of GB/T 709, and the negative deviation of lifting thickness should not exceed -0.3mm;
b. Upon agreement between the supplier and the buyer, steel plates with other dimensions, shapes and allowable deviations can be supplied.
Refractory structural steel has a wide range of uses, and can be used in the construction of office buildings, shopping malls, hotels, factories, stadiums, stations, and high-rise steel structure buildings.
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