UNI 3972-1981
Technical drawings. Hatchings for representation of materials in section.

Standard No.

UNI 3972-1981

Release Date

1981

Published By

IT-UNI

Latest

UNI 3972-1981

Scope

The purpose of this standard is to establish a differentiation of materials through hatching which identifies the sectioned surfaces in all types of technical drawings.

UNI 3972-1981 history

• 1981 UNI 3972-1981 Technical drawings. Hatchings for representation of materials in section.
• 1961 UNI 3972-1961 Technical drawings. Conventional representation of material within a section Hatch method