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ISO 5950 Document Information:
Title
Continuous electrolytic tin-coated cold-reduced carbon steel sheet of commercial and drawing qualities
International Organization for Standardization
Publication Date:
Apr 15, 2008
Scope:
This International Standard applies to cold-reduced carbon steel
sheet of commercial and drawing qualities coated in coil form by
electro-deposition of tin. The product is commonly known as
electrolytic tin-coated sheet and is used where solderability is
desired, appearance is important, or a degree of corrosion
resistance under specific conditions is advantageous and coating
mass may be specified. The coating is expressed as the total
coating on both surfaces in grams per square metre. The coating
mass specified should be compatible with the desired service life,
thickness of the base metal and the forming requirements involved.
A designation system (?lause 4) includes the coating designation,
coating condition and quality.
Electrolytic tin-coated sheet (Footnote 1) is normally produced
in thicknesses from 0,50 mm to 0,85 mm and widths of 600 mm to 1
050 mm, in coils and cut lengths.
Commercial quality electrolytic tin-coated sheet (quality 01) is
intended for general fabricating purposes where sheet is used in
the flat, or for bending or moderate forming.
Drawing quality electrolytic tin-coated sheet (qualities 02, 03,
04) is intended for drawing or severe forming. It is furnished
according to the requirements of this International Standard or,
with agreement where ordered, to fabricate an identified part, in
which case mechanical properties do not apply. Drawing qualities
are identified as follows:
- 02 drawing quality;
- 03 deep drawing quality;
- 04 deep drawing quality aluminum killed (non-ageing).
This International Standard does not cover tinplate and
blackplate.
Footnote 1 - Some world markets define "electrolytic tinplate"
as having a maximum thickness of 0,38 mm in which case the
thickness range for 'electrolytic tin-coated sheet' will have a
minimum of 0,38 mm.
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