Technical Drawing Lines and Standard Material Symbols

Flashcards covering line meanings, line weights, and standard material symbols from engineering technical drawing references.

Center line

A standard drawing line categorized under the Thin line weight.

Dimension line

A standard drawing line categorized under the Thin line weight.

Extension Line

A standard drawing line categorized under the Thin line weight.

Break (Long)

A standard drawing line represented in both Thin and Thick line weights, often depicted with a zigzag line pattern.

Phantom Line

A standard drawing line categorized under the Thin line weight.

Sectioning Line

A standard drawing line categorized under the Thin line weight.

Hidden Line

A standard drawing line categorized under the Medium line weight.

Stitch Line

A standard drawing line categorized under the Medium line weight.

Visible Line

A standard drawing line categorized under the Thick line weight.

Satum Line

A standard drawing line categorized under the Thick line weight.

Cutting Plane Line

A standard drawing line categorized under the Extra Thick line weight.

Complex Cutting Plane Line

A specialized cutting plane line categorized under the Extra Thick line weight.

Cast Iron Symbol

A standard material symbol used to designate cast iron in technical drawings.

Magnesium, Aluminum, and Aluminum Alloys Symbol

A standard material symbol used to designate magnesium, aluminum, and aluminum alloys in engineering drawings.

Steel Symbol

A standard material symbol used to designate steel components in drawings.

Rubber, Plastic Electrical Insulation Symbol

A standard material symbol used for rubber and plastic electrical insulation materials.

Brass, Bronze, and Copper Symbol

A standard material symbol used to designate brass, bronze, and copper.

Babbitt, Lead, Zinc, and Alloys Symbol

A standard material symbol used to designate babbitt, lead, zinc, and their associated alloys.

Wood Across Grain Symbol

A standard material symbol specifying wood oriented across the grain.

Wood With Grain Symbol

A standard material symbol specifying wood oriented with the grain.

Cork, Felt, Fabric, Asbestos, Leather, and Fibre Symbol

A standard material symbol used to designate flexible, fibrous, or non-metallic packing and insulation materials.