Yeah I think most copper and iron have some metal odor (and there is a famous Song dynasty poem blaming them ). Even some "silver spoons" that are not made of pure silver, don't taste or smell very good. In this aspect, I feel stainless steel is always safe (and cheap).wyardley wrote: Some metal cans (whether pewter or stainless) seem to impart a bit more of a 'metallic' taste than others.
I have an impression that green tea regions don't use pewter tea cans as much as oolong regions. This may have to do with tea properties. But I also wonder if it has to do with how popular pewter was in certain regions. The pewter/lead ware, when commonly used, was even more unhealthy in certain regions where water could wash off more lead - although lead content was always bad even in regions where water wouldn't wash off that much lead. I wonder if that caused different levels of popularity of pewter ware in different regions too.