Q/BQB 313-2018: Continuously-hot-rolled steel sheets and strips for building structures

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Scope

1.1 Negative deviation of steel sheets and strips is 0.30 mm; tolerance zone is as
specified in the tolerance zone of the thickness tolerance table of Q/BQB 301.Other
dimensions, shapes, weight and tolerances shall be as specified in Q/BQB 301.
1.2 If the purchaser has any higher requirement for thickness accuracy, the tolerance
zone specifications of high accuracy PT.C given in Table 4 of Q/BQB can be selected
as tolerance zone during ordering.

Basic Data

Standard ID	Q/BQB 313-2018 (Q/BQB313-2018)
Description (Translated English)	Continuously-hot-rolled steel sheets and strips for building structures
Sector / Industry	Chinese Industry Standard
Classification of Chinese Standard	QBQ
Word Count Estimation	5,598
Issuing agency(ies)	Baoshan Iron and Steel Co., Ltd.