DICTIONARY OF INDUSTRY TERMS

L

Ladle Analysis - Determined by chemical analysis for specific elements of a test ingot sample obtained from the first part or middle part of a heat or blow during the pouring of the steel from the ladle. This is the analysis reported to the purchaser.

Laminations - Defects caused by blisters, seams or foreign inclusions aligned parallel to the worked surface of a metal.

Lap - A surface defect appearing as a seam caused from folding over hot metal, fins, or sharp comers and then rolling or forging, without welding them into the surface.

Long Ternes - Flat rolled steel in sheet size coated with a mixture of lead and tin. Coating usually contains 80% to 85% lead and 15% to 20% tin.

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