What is the diameter deviation of 12 mm galvanized round bar?
Hot galvanized round steel refers to the cross section of round solid steel. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter.
It is widely used in hardware, building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electricity, energy, aerospace and other architectural decoration. The most extensive machining of general machine parts, general rod type steel parts, CD pole, bolt, nut.
The allowable deviation of dia 12 is + 0.3mm. The name of this specification is: GB1499.1-2008, reinforced concrete, steel, first parts: hot rolled round steel bar, on the third page of the book.
