STEEL USED FOR MACHINE PARTS OF CIVIL ENGINNERING BUILDING MACHINE CONTAINING AT LEAST 1 PERCENT OF CARBON AND AT LEASTONE CARBIDE FORMING ALLOY ELEMENT

摘要

A carbon steel with at least 1% by weight carbon and at least one carbide-forming alloying element such as chromium is forged into a construction machine-tool part for engagement with abrasive material, the forging provides a fiber extension direction which coincides with the principal direction of abrasive action.