ДСТУ EN ISO 10683:2022 Кріпильні вироби. Системи неелектролітичних цинк-ламельних покриттів (EN ISO 10683:2018, IDT; ISO 10683:2018, IDT)



ДСТУ EN ISO 10683:2022
(EN ISO 10683:2018, IDT; ISO 10683:2018, IDT)

Кріпильні вироби. Системи неелектролітичних цинк-ламельних покриттів

 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

4 General characteristics of the coating

4.1 Zinc flake coating systems

4.2 Composition of the systems

4.3 Mechanical and physical properties and curing

4.4 Avoidance of internal hydrogen embrittlement

4.5 Coating systems and coating processes

5 Corrosion protection and testing

5.1 General

5.2 Neutral salt spray test

5.3 Sulfur dioxide test (Kesternich test)

5.4 Bulk handling, automatic processes such as feeding and/or sorting, storage and transport

6 Dimensional requirements and testing

6.1 General

6.2 Fasteners with ISO metric thread

6.2.1 Coating thickness

6.2.2 Gaugeability and assemblability

6.3 Other fasteners

7 Mechanical and physical properties and testing

7.1 Appearance

7.2 Corrosion resistance related to temperature

7.3 Test methods for thickness or coating weight determination

7.4 Ductility

7.5 Adhesion/cohesion

7.6 Sacrificial cathodic protection

7.7 Torque/clamp force relationship

7.8 Determination of hexavalent chromium

8 Applicability of tests

8.1 General

8.2 Tests mandatory for each lot

8.3 Tests for in-process control

8.4 Tests to be performed when specified by the purchaser

9 Designation

9.1 Designation of zinc flake coating systems for the order

9.2 Designation of zinc flake coating systems for labelling

10 Ordering requirements

Annex A (informative) Design aspects and assembly of coated fasteners

Annex B (informative) Coating thickness and thread clearance for ISO metric screw threads

Annex C (informative) Coating systems tested in accordance with ISO 9227, NSS — Evaluation of cabinet corrosivity for the neutral salt spray test

Bibliography