Foreword
0 Introduction
0.1 General
0.2 Types of electrolytic tinning process and types
of coatings of tin or tin alloy
0.2.1 Process for matt electrolytic coatings
0.2.2 Process for bright electrolytic coatings
0.2.3 Process reflow brightened electrolytic
coatings
1 Scope
2 Normative references
3 Terms and definitions
4 Designations
4.1 Material of the strip to be tinned
4.1.1 General
4.1.2 Symbol
4.1.3 Number
4.2 Material for the coating
4.3 Material condition of the electrolytically tinned
strip
4.4 Product
5 Ordering information
6 Requirements
6.1 Composition
6.1.1 Strip to be tinned
6.1.2 Material for the coating
6.1.3 Purity of tin and tin alloy coatings resulting
from electrolysis
6.1.4 Use of sub-layer
6.2 Mechanical properties and grain size of the base
material
6.3 Dimensions and tolerances
6.3.1 Tolerances on thickness
6.3.2 Tolerances on widths
6.3.3 Thickness of coatings and/or sub-layers
6.3.4 Coating thickness ranges
6.3.5 Sub-layer thickness
6.4 Edgewise curvature c
6.5 Properties of the coating
6.5.1 Condition
6.5.2 Appearance
6.5.3 Solderability
6.5.4 Adhesion
6.5.5 Special requirements
7 Sampling
7.1 General
7.2 Analysis of the base material
7.3 Tensile, hardness, grain size and technological
tests
8 Test methods
8.1 Analysis of the base material
8.2 Tensile test of the base material
8.3 Hardness test of the base material
8.4 Estimation of average grain size of the base
material
8.5 Edgewise curvature c
8.6 Solderability
8.7 Adhesion
8.8 Measurement of coating thickness
8.9 Retests
8.10 Rounding of results
9 Declaration of conformity and inspection documentation
9.1 Declaration of conformity
9.2 Inspection documentation
10 Marking, packaging and labelling
Tables
Bibliography