- alloy hardening
- alloy pig iron
- alloy plating
- alloy steel
- alloy steel castings
- alloy system
- alloy tool steel
- alloyage
- alloyed iron
- alloyed scrap
- alloying
- alloying constituent
- alloying element
- alloying metal
- alloying power
- alluvial gold
- alni
- alnico
- alpaca
- alpakka
- alpax
- alpha brass
- alpha bronze
- alpha decay
- alpha disintegration
- alpha iron
- alpha particle
- alpha rays
- alpha region
- alpha solid solution
- alphatizing
- alsifer
- altaite
- alternate lay wire rope
- alternate steel
- alternate stress
- alternating bending test
- alternating current arc welder
- alternating current arc welding
- alternating current arc welding machine
- alternating load
- alternating stress amplitude
- aludel
- aludur
- alum
- alumel
- alumina
- alumina brick
- aluminate
- aluminate inclusion