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GB/T 36709-2018Vibration damping clad steel sheet (English PDF)

减振复合钢板

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 17, 2018

Implementation date

June 1, 2019

Scope

GB/T 36709-2018 is the English-translated version of 减振复合钢板.

GB/T 36709-2018 is the Chinese national product standard for vibration damping clad steel sheet, made by adding a damping material between two steel sheets. It covers classification, ordering, dimensions, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certificates.

The substrate may be chosen from steels such as those of GB/T 2518 or GB/T 5213 and sets the chemical composition; sheets are normally delivered oiled, must not rust within 6 months of manufacture under normal packaging, transport and storage, and must reach a minimum T-peel strength for each thickness range.

Annexes give the test methods for shear strength and T-peel strength. It applies to sheets 0.60 mm to 3.00 mm thick used in vehicles, home appliances, construction and machinery. It was issued on 17 September 2018 and has applied since 1 June 2019.

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Document preview — GB/T 36709-2018

National Standard of the People's Republic of China

ICS: 77.140.50
Classification: H 46

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword3
1 Scope4
2 Normative references4
3 Terms and definitions4
4 Classification and code5
5 Ordering content5
6 Dimensions, weight and allowable deviation6
7 Technical requirements8
8 Test methods9
9 Inspection rules10
10 Packaging, marks and quality certificate10
Annex A (informative) Test method of shear strength of vibration damping sheet11
Annex B (normative) Test method of T-peel strength of vibration damping sheet14
Bibliography17

1 Scope

This Standard specifies the terms and definitions, classification and code, ordering content, dimensions, weight as well as allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificate of vibration damping clad steel sheet.

This Standard is applicable to the steel sheet with vibration damping of which the thickness is 0.60mm~3.00mm used in the fields of automotive, home appliance, construction, machinery, etc. (hereinafter referred to as "vibration damping sheet"). The vibration damping clad steel sheet supplied with steel coil can also be implemented with reference to this Standard.

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 247, General rule of package mark and certification for steel plates (sheets) and strips

GB/T 8170, Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 16406, Acoustics - Flexural resonance testing method for damping properties of acoustical materials

GB/T 17505, Steel and steel products General technical delivery requirements

3 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

3.1 Vibration damping clad steel sheet

the product that a damping material is added to the two layers of steel sheets (hereinafter referred to as the substrate); it is supplied in rectangular plate, with […]

7 Technical requirements

7.1 Substrate

The substrate of the vibration damping sheet can use GB/T 2518, GB/T 5213, GB/T 14978, GB/T 15675, GB/T 20564, etc. If the purchaser needs other types of substrates, it can be negotiated at the time of ordering.

7.2 Chemical composition

The chemical composition of the vibration damping sheet shall comply with the requirements of the corresponding substrate standard.

7.3 Delivery status

The vibration damping sheets are usually supplied when they are oiled. The oil film shall be removed with an aqueous alkali solution or a normal solution.

Under normal conditions of packaging, transport, loading-unloading and storage, the supplier shall ensure that the surface of the vibration damping sheet does not rust within 6 months from the date of completion of manufacture.

If the purchaser asks the products delivered when they are not oiled, it shall be negotiated at the time of ordering.

7.4 Mechanical properties and coating properties

7.4.1 Mechanical properties of the vibration damping sheet refer to the mechanical properties of the substrate.

NOTE: Due to the influence of aging, the mechanical properties of the steel plate shall deteriorate with the storage time, such as the increase in yield strength and tensile strength, decrease in elongation after fracture, poor formability, tensile strain marks. It is recommended to use as early as possible.

7.4.2 Coating performance shall meet the requirements of the corresponding substrate standards.

7.5 Technology performance

7.5.1 The T-peel strength of the vibration damping sheet shall comply with the requirements of Table 5.

9 Inspection rules

9.1 The inspection and acceptance of the vibration damping sheet shall be carried out by the supplier quality inspection department.

9.2 The vibration damping sheet shall be accepted by batch. Each inspection lot shall consist of the vibration damping sheets of the same designation, the same specification, the same set of damping adhesives and the same processing technology.

9.3 The sampling quantity and sampling method of the vibration damping sheet shall comply with the provisions of Table 7.

9.4 The re-inspection and determination rules of the vibration damping sheet shall comply with the provisions of GB/T 17505.

9.5 The test results are rounded up according to the comparison method of rounded value. The rounding rules shall comply with the provisions of GB/T 8170.

10 Packaging, marks and quality certificate

The packaging, marks and quality certificate of vibration damping sheet shall comply with the provisions of GB/T 247. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 13237-2026|GB/T 14164-2026|GB/T 21237-2026|GB/T 2520-2026|GB/T 31938-2026|GB/T 3273-2026

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