These are graphite, highsiliconcastiron, lead silver alloy, platinum, and even scrap steel rails.
所用材料有石墨、高硅铸铁、铅银合金、铂、甚至废钢轨等。
2
An aluminum silicon die cast alloy having a very low iron content and relatively high strontium content that prevents soldering to dies into die casting process.
一种铝硅模铸合金,具有非常低的铁含量和相对较高的锶含量,用来防止在模铸过程中焊接在模具上。
3
Thus transport of sulfuric acid pump usually highsiliconcastiron (casting and processing is very difficult), high-alloy stainless steel (alloy No. 20) to create.