Alloy steel, nickel plated, hermetically welded oil-proof, waterproof and anti-corrosion, suitable for all kinds of environments.

合金钢材料，表面镀镍，全密封焊接，防油、防水、耐腐蚀，可适用于各种环境。

youdao

Alloy steel owe their properties to the presence of one or more elements other than carbon, namely nickel, chromium, manganese, molybdenum, tungsten, silicon, vanadium, and copper.

合金钢的性质取决于其所含有的除碳以外的一种或多种元素，如镍、铬、锰、钼、钨、硅、钒和铜。

youdao

ALLOY steel: a steel containing iron and carbide plus one or more other metals such as nickel, chromium, or molybdenum.

合金钢：指钢中含有铁，碳，以及镍、铬、钼等一种或多种其他的合金元素。

youdao

The Treasury plans to make the new coins from nickel-plated steel instead of the alloy, which has become more expensive as the price of copper has risen in recent years.

BBC: Treasury 'should foot coin change bill'