iron ingot 铁锭
puddled iro 搅炼熟铁
round iro 圆铁
scrap iro 废铁
steel 钢
crude steel 粗钢
mild steel, soft steel 软钢,低碳钢
hard steel 硬钢
cast steel 坩埚钢,铸钢
stainle steel 不锈钢
electric steel 电工钢,电炉钢
high- eed steel 高速钢
moulded steel 铸钢
refractory steel 热强钢,耐热钢
alloy steel 合金钢
plate, sheet 薄板
corrugated iro 瓦垅薄钢板
ti late, ti 马口铁