suhteliselt suure kahjulike lisandite sisaldusega (P ja S kuni 0,05%), hrl mittetermotöödeldav mittelegeerteras (vrd kvaliteetteras, vääristeras), steel with limited amount of impurities suchh as phosphor and sulphur (up to 0.05 %); usually non-heat treatable (compare: quality steel, high-quality steel)