English pewter English pewter While the term pewter covers a range of tin-based alloys, the term English pewter has come to represent a strictly-controlled alloy, specified by BSEN611-1 and British Standard 5140, consisting mainly of tin (ideally 92%), with the balance made up of antimony and copper. Significantly, it is free of lead and nickel. Although the exact percentages vary between manufacturers, a typical standard for present-day pewter is approximately 91% tin, 7.5% antimony and 1.5% copper. By the 15th century, the Worshipful Company of Pewterers controlled pewter constituents in England. This company originally had two grades of pewter, but in the
Metal Storm (webzine) submit information that is missing. Before being published, community edits are moderated by members of the staff. Heavy metal is divided into three broad sub-categories on Metal Storm. Bands that fall in between two sub-categories are usually allocated based on what elements are historically more prominent in their music though there is no strict enforcement of any rules. This sub-category includes the heavy metal genres such as heavy metal, power metal, progressive metal, glam metal, doom metal, gothic metal, folk metal, speed metal and symphonic metal. This sub-category includes the heavy metal genres such as black metal, death metal, grindcore,