Circle 30x13 ot 0.5mm, Dnipropetrovsk region.

" The steel circle is made in lengths: from 2 to 6 m - a circle of ordinary carbon and low-alloy steel; from 2 to 6 m - a circle of high-quality carbon and alloy steel; from 1.0 to 6 m - a circle of high-alloy steel. Limit deviations in the length of the measured and multiple measured length should not exceed: +30 mm - for a length of up to 4 m, +50 mm - for a length of more than 6 m, +70 mm - for a length of more than 6 m.

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