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GB/T 34212-2017 English PDF (GBT34212-2017)

GB/T 34212-2017 English PDF (GBT34212-2017)

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GB/T 34212-2017: Cold rolled steel strip for battery shell

This Standard specifies the classification and code, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of cold rolled steel strip for battery shell (hereinafter referred to as the steel strip). This Standard is applicable to the cold rolled steel strip of which the thickness is 0.25mm ~ 0.50mm, mainly used for steel shells for flushing alkaline and rechargeable batteries.
GB/T 34212-2017
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.140.50
H 46
Cold rolled steel strip for battery shell
ISSUED ON. SEPTEMBER 7, 2017
IMPLEMENTED ON. JUNE 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Classification and code ... 6
4 Order content ... 6
5 Size, shape, weight and allowable deviation ... 7
6 Technical requirements ... 7
7 Test methods ... 9
8 Inspection rules ... 10
9 Packaging, marks and quality certificate ... 10
Annex A (Normative) Conversions of HRB and HR30T ... 11
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard was proposed by China Iron and Steel Association.
This Standard shall be under the jurisdiction of National Technical Committee on Steel of Standardization Administration of China (SAC/TC 183).
The drafting organizations of this Standard. Baoshan Iron and Steel Co., Ltd., Metallurgical Industry Information Standard Institute, Angang Steel Co., Ltd., Magang Group Holdings Co., Ltd., Wuhan Iron and Steel Company Limited.
Main drafters of this Standard. Zhu Yan, Tu Shulin, Hou Jie, Yang Yuan, Lv Jiashun, Zhao Yunlong, Li Zehan, Ban Bijun, Zhang Weixu, Fan Yanghua, Hu Ling, Su Haolu, Huang Jinhua, Li Heishan.
Cold rolled steel strip for battery shell
1 Scope
This Standard specifies the classification and code, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of cold rolled steel strip for battery shell (hereinafter referred to as the steel strip).
This Standard is applicable to the cold rolled steel strip of which the thickness is 0.25mm ~ 0.50mm, mainly used for steel shells for flushing alkaline and rechargeable batteries.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 222, Permissible Tolerances for Chemical Composition of Steel
Products
GB/T 223.9, Iron steel and alloy - Determination of aluminium content - Chrom azurol S photometric method
GB/T 223.59, Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony
Phosphomolybdate Blue Spectrophotometric Method
GB/T 223.60, Methods for chemical analysis of iron, steel and alloy - The perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 223.62, Methods for chemical analysis of iron, steel and alloy - The butyl acetate extraction photometric method for the determination of
phosphorus content
GB/T 223.63, Methods for chemical analysis of iron, steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese content
GB/T 223.64, Iron, Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method
GB/T 228.1-2010, Metallic materials - Tensile testing - Part 1 . Method of test at room temperature
GB/T 230.1, Metallic materials - Rockwell hardness test - Part 1. Test
method(scales A, B, C, D, E, F, G, H, K, N, T)
GB/T 247, General rule of package, mark and certification for steel plates (sheets) and strips
GB/T 708, Dimension, shape, weight and tolerance for code - rolled steel plates and sheets
GB/T 2523, Measuring method of surface roughness and peak count for
cold-rolled metal sheet (strip)
GB/T 2975, Steel and Steel Products - Location and Preparation of Test
Pieces for Mechanical Testing
GB/T 4336, Carbon and low-alloy steel - Determination of multi-element
contents - Spark discharge atomic emission spectrometric method (routine method)
GB/T 8170, Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 17505, Steel and steel products General technical delivery
requirements
GB/T 20066, Steel and Iron-Sampling and Preparation of Samples for the
Determination of Chemical Composition
GB/T 20123, Steel and iron - Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
GB/T 20125, Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
GB/T 20126, Unalloyed steel - Determination of low carbon content - Part 2. Infrared absorption method after combustion in an induction furnace (with preheating)

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