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HG/T 3105-2009 English PDF (HGT3105-2009)

HG/T 3105-2009 English PDF (HGT3105-2009)

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HG/T 3105-2009: Vitreous and porcelain enamels for sheet steel. Production of specimens for testing

This standard specifies the preparation methods and requirements for sheet steel specimens, which are used to determine the physical and chemical properties of vitreous and porcelain enamels for sheet steel. This standard applies to the preparation of vitreous and porcelain enamels for sheet steel.
HG/T 3105-2009
HG
CHEMICAL INDUSTRY STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 71.120; 25.220.50
G 94
Filing No.: 25854-2009
Replacing HG/T 3105-1987
Vitreous and porcelain enamels for sheet steel - Production
of specimens for testing
ISSUED ON: FEBRUARY 05, 2009
IMPLEMENTED ON: JULY 01, 2009
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Shape and size of test specimens ... 4
4 Preparation of test specimens ... 4
5 Quality requirements of test specimens ... 5
Foreword
This standard replaces HG/T 3105-1987 "Vitreous and porcelain enamels for sheet steel-Production of specimens for testing".
This standard refers to ISO 2723-1995 "Vitreous and porcelain enamels for sheet steel - Production of specimens for testing".
Compared with HG/T 3105-1987, the main changes of this standard are as follows: - ADD the requirements for materials;
- ADD the requirements for the uniformity of vitreous and porcelain enamels; - ADD the DC spark requirement.
This standard was proposed by China Petroleum and Chemical Industry Association. This standard shall be under the jurisdiction of the National Standardization Technical Committee for Glass-lined Equipment.
Drafting organizations of this standard: Jiangyin Guipu Enamel Co., Ltd. The main drafters of this standard: Yu Xianzhong, Sang Linchun.
This standard replaces the standard previously issued as follows:
- HG/T 3105-1987 (GB/T 7992-1987).
Vitreous and porcelain enamels for sheet steel - Production
of specimens for testing
1 Scope
This standard specifies the preparation methods and requirements for sheet steel specimens, which are used to determine the physical and chemical properties of vitreous and porcelain enamels for sheet steel.
This standard applies to the preparation of vitreous and porcelain enamels for sheet steel. 2 Normative references
The provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies.
HG 2432 Quality standard of glass-lined equipment for industry
3 Shape and size of test specimens
3.1 There are two types of test specimens: square plate test specimens and circular plate test specimens.
3.2 Size of square plate test specimens is 80 mm ?? 80 mm; the thickness of the base sheet steel is (5.5 ?? 0.2) mm; the thickness of vitreous and porcelain enamel is (1.1 ?? 0.1) mm.
3.3 The size of the circular flat test specimens is ??(105 ?? 2) mm; the thickness of the base sheet steel is 2 mm; the thickness of the vitreous and porcelain enamel is (0.8 ?? 0.11) mm.
4 Preparation of test specimens
4.1 The steel used for the preparation of test specimens shall meet the requirements of HG 2432. Meanwhile, it is consistent with the sheet steel used for manufacturing

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