Q/BQB 310-2023: Continuously hot-rolled steel sheet and strip for automobile structural use

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Scope

This document specifies the size, shape, technical requirements, inspection and testing,
packaging, marking and inspection documents of continuously hot-rolled steel sheet
and strip for automobile structural use.
This document applies to carbon and micro-alloy steel continuously hot-rolled steel
strips, which have good cold forming properties, as well as steel sheets cut crosswise
and steel strips cut vertically, as produced by Baoshan Iron and Steel Co., Ltd., hereinafter
referred to as steel sheets and strips. The products are used for manufacturing
automobile beams, cross beams, wheels, automobile transmission shaft tubes,
automobile axle housings and other structures.

Basic Data

Standard ID	Q/BQB 310-2023 (Q/BQB310-2023)
Description (Translated English)	Continuously hot-rolled steel sheet and strip for automobile structural use
Sector / Industry	Chinese Industry Standard
Classification of Chinese Standard	QBQ
Word Count Estimation	12,151
Date of Issue	2023-04-09
Date of Implementation	2023-07-01
Issuing agency(ies)	Baoshan Iron and Steel Co., Ltd.