SN/T 1733.8-2006Rules for the inspection of non-prime steel material. Part 8: Tinplates (English PDF)

Foreword

SN/T 1733 "Non-Genuine Steel Inspection and Identification Regulations" is divided into 11 parts.

--- Part 1. Slab;

--- Part 2. color coated board;

--- Part 3. Billet/round billet;

--- Part 4. Wire rod;

---Part 5. Profiles;

---Part 6. Pipe;

---Part 7. Stainless steel plate (belt);

---Part 8. Tin-plated steel sheet;

---Part 9. Galvanized steel sheets and strips;

---Part 10. Cold rolled steel sheets and strips;

--- Part 11. Hot rolled steel sheets and strips;

This part is the eighth part of SN/T 1733.

Appendix A of this section is a normative appendix, and Appendix B is an informative appendix.

This part is proposed and managed by the National Certification and Accreditation Administration.

This section drafted by. Guangdong Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Jiangsu Entry and Exit Inspection and Quarantine Bureau, Shandong Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Shenzhen Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Shanghai Entry-Exit Inspection and Quarantine Bureau, Zhejiang Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, and Tianjin Entry-Exit Inspection Epidemic situation.

1 Scope

This part of SN/T 1733 specifies the definition, technical requirements, inspection and identification rules and test results of non-genuine tin-plated steel sheets.

determination.

This section applies to the inspection and identification of non-genuine tinned steel sheets and tinned sheet steel such as first-class surplus products.

This section also applies to the inspection and identification of non-genuine Wuxi chrome plated steel.

2 Normative references

The terms in the following documents are incorporated by reference in this part of SN/T 1733 as part of this section. For dated references, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, an agreement is encouraged under this section.

The parties are studying whether the latest version of these documents can be used. For undated references, the latest edition applies to this section.

GB/T 2520 cold rolled electroplated tin steel sheet (GB/T 2520-2000, eqv ISO 11949.:1995)

3 Terms and definitions

The following terms and definitions established by GB/T 2520 apply to this section.

Dimensions, shapes, surface quality, physical and chemical properties, packaging, etc. meet the contractual standards (see Appendix A) or GB/T 2520I grade tinplate Specified tinned steel sheet.

Dimensions, shapes, surface quality, physical and chemical properties, and some or all of the packaging do not meet the corresponding requirements of the original standard, but the product still retains its original Use tinplate for use.

Trade is accustomed to be called "secondary tinplate steel secondarytinplates", including GB/T 2520II grade tinplate (sec-Ondgradetinplate), such as tinplate, painted or printed tinplate.

Longer inventory time, different production times accumulated by contract overproduction, various steel grades, various specifications, different production times, different Tinned sheet steel for batch products.

There are serious defects in the arrival, the scraps that cannot be used for the original use of tinplate, or the tinned steel that can only be used for smelting and recycling.

product.

4 Technical requirements

4.1 The size, shape, surface quality, physical and chemical properties, packaging, etc. of genuine tin-plated steel sheets meet the contractual standards or GB/T 2520I Tin plate regulations.