alloy iron

Từ điển Oxford Learners Wordfinder Dictionary

noun

cast iron containing alloying elements (usually nickel or chromium or copper or molybdenum) to increase the strength or facilitate heat treatment
• Syn:
alloy cast iron
• Hypernyms:
cast iron
• Hyponyms:
Ni-hard, Ni-hard iron, Ni-resist, Ni-resist iron