52100 (English, noun)
expansion: 52100 (uncountable)
Senses:
topics: engineering
metallurgy
natural-sciences
physical-sciences
glosses: A common ball bearing metal, also used for blademaking, knifemaking. A high-carbon low-alloy chromium steel; typically containing 1.0% carbon and 1.5% chromium, with low silicon (0.25%) and manganese (0.35%).
tags: US
uncountable
Forms: