TS 2040

TS 2040 is a standard concerned with how surface texture is indicated on technical drawings, defining the graphical symbols and supplementary indications used for that purpose. In engineering documentation, this topic matters because it provides a common way to communicate surface condition requirements that affect manufacturing, inspection, and functional performance.

What surface texture indication means in drawing practice

In technical drawing, surface texture describes the character of a part’s surface after production. It is not only about shape or dimensions, but also about the surface condition that may influence fit, wear, sealing, friction, appearance, or further processing. Using symbols together with supplementary indications helps a drawing express these requirements in a compact and internationally recognisable way.

According to the supplied scope, this standard covers the graphical symbols placed on drawings to indicate surface texture, together with additional indications that support those symbols. In general technical context, such notation helps distinguish whether a surface is to be further processed, left as produced, or accompanied by additional surface-related information. That makes the intent of the designer clearer to manufacturing and quality teams.

Document coverage and status

• The standard covers graphical symbols for indicating surface texture on drawings.
• It also covers supplementary indications associated with those symbols.
• This listing is the withdrawn TS 2040 edition, so it serves as a historical reference to the topic rather than a current active standard.