ehitus- ja masinaehituskonstruktsioonide valmistamiseks kasutatav, vajadusel erilise termotöötlusega ja hea karastuvusega väikese ja keskmise süsinikusisaldusega (0,05-0,65%) teras
steels where the desired properties are typically developed by separate thermal treatment and the specific alloy elements tend to be selected for their effect on hardenability
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Commonly hot-rolled low-alloy steel with carbon content varying between 0.15-0.25% produced in standard sizes and shapes for use in constructing load-bearing structures, supports, frameworks etc. Some of standard shapes are angles, channels, I-beams, H-beams etc.
