新日本制铁公司研究成功了第三代制罐材料“优质罐材”的新制品,最近已经向市场提供销售样品. 以前,作为各种罐头食品和饮料罐头等的包装容器材料主要有马口铁皮和无锡钢板两种.但是,近年来,上述世界各国普遍使用的焊接罐头的原材料都十分匮缺,难以取得. 而且,在成本方面,由于马口铁皮表面需涂以价格昂贵的金属锡层,因此要比无锡钢板的价格高.另外,无锡钢板由于金属铬层的电阻大,存在使用时需把铬层 Nippon Steel Corporation has successfully researched and succeeded in producing new products of “high-quality cans” for the third generation of canning materials, and has recently provided sales samples to the market.Packaging containers used for various canned food and beverage cans, etc. mainly include tinplate However, in recent years, the welding cans commonly used in the above-mentioned countries in the world are very scarce and difficult to obtain, and the cost is high because of the need to coat the surface of tinplate with the expensive metal tin layer Higher than the price of Wuxi steel.In addition, due to the resistance of Wuxi metal chromium layer, there is the need to use the chromium layer