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Q/BQB 130-2018 English PDF (QBQB130-2018)

Q/BQB 130-2018 English PDF (QBQB130-2018)

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Q/BQB 130-2018: Rolled slab
This Standard specifies the dimension, shape, weight and allowable deviation, technical requirements, inspection and test, marking and inspection documents of the rolled slab. This Standard is applicable to the rolled slab produced by Baoshan Iron and amp; Steel Co., Ltd. for re-rolling and forging.
Q/BQB 130-2018
BQB
ENTERPRISE STANDARD OF BAOSTEEL
Replacing Q/BQB 130-2014
Rolled Slab
初扎板坯
ISSUED ON. JANUARY 15, 2018
IMPLEMENTED ON. APRIL 10, 2018
Issued by. Baoshan Iron and Steel Co., Ltd.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Information Required for Ordering ... 4
3 Dimension, Shape, Weight and Allowable Deviation ... 4
4 Technical Requirements ... 5
5 Inspection and Test ... 6
6 Marking and Inspection Documents ... 7
Foreword
This Standard was drafted as per the requirements and format specified in GB/T 1.1- 2009 Directives for Standardization – Part 1. Structure and Drafting of Standards. This Standard is based on the characteristics of our company’s products and processes.
Please note that some contents of this Standard may involve patents. The issuing organization of this Standard does not assume the responsibility for identifying these patents.
This Standard replaces Q/BQB 130-2014. Compared with Q/BQB 130-2014, this Standard has the major changes as follows.
--- Add rolled slab for forging in the Scope;
--- For dimensions. expand the maximum nominal width from 250mm in Table 1 to 500mm; modify the minimum nominal width from 750mm to 650mm;
correspondingly modify the dimension allowable deviation, shape and surface quality requirements, for instance, the sickle bend per meter of slab with nominal thickness greater than 250mm shall be no greater than 15mm; modify 4.4.1 and Table 3;
--- Modify the sub-clause 3.2.1 from “the bend per meter of slab shall be no greater than 20mm; total bending shall be no greater than 2.0% of total length” into “the bend per meter of slab shall be no greater than 15mm; total bending shall be no greater than 1.5% of total length”.
This Standard was proposed by Manufacturing Management Department of Baoshan Iron and Steel Co., Ltd.
This Standard shall be under the jurisdiction of Manufacturing Management Department of Baoshan Iron and Steel Co., Ltd.
This Standard was drafted by Manufacturing Management Department of Baoshan Iron and Steel Co., Ltd.
Chief drafting staff of this Standard. Xu Qing.
The historical editions replaced by Q/BQB 130-2014 are as follows.
--- Q/BQB 130-1985, Q/BQB 130-1986, Q/BQB 130-1994, Q/BQB 130-1999, Q/BQB 130-2003, Q/BQB 130-2009.
cleaning position shall be smooth
without corner
5.2 Surface quality inspection
The surface quality of the slab shall be visually examined block by block. 5.3 Batching rules
The slab shall be inspected and accepted in batches; each batch consists of the products with the same grade, the furnace number and the same specification. 6 Marking and Inspection Documents
6.1 Marking
The furnace number, grade, specification and slab number of each slab shall be indicated on its end face.
6.2 Inspection document (quality certificate)
Each batch of delivery slabs must be certified to meet the requirements of the standard, and the inspection document (quality certificates); the inspection document shall indicate the following contents.
a) Supplier name. Baoshan Iron and Steel Co., Ltd.;
b) Purchaser name;
c) The date of issuance of the inspection document;
d) Contract No.;
e) Grade;
f) Standard number;
g) Furnace number, number of blocks, weight;
h) Product name, specification;
i) The test results specified in this Standard;
j) Signature of the person in charge of the quality management department.
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