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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 -LRB- ideally 92 % -RRB- , with the balance made up of antimony and copper .. pewter. pewter. tin. tin. British Standard. British Standard. antimony. antimony. copper. copper. Significantly , it is free of lead and nickel .. lead. lead. nickel. 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 .. pewter. pewter. tin. tin. antimony. antimony. copper. copper. By the 15th century , the Worshipful Company of Pewterers controlled pewter constituents in England .. pewter. pewter. Worshipful Company of Pewterers. Worshipful Company of Pewterers. This company originally had two grades of pewter , but in the 16th century a third grade was added .. pewter. pewter. The first type , known as `` fine metal '' , was used for tableware .. tableware. tableware. It consisted of tin with as much copper as it could absorb , which is about 1 % .. tin. tin. copper. copper. The second type , known as `` trifling metal '' or `` trifle '' , was used for holloware .. holloware. holloware. It is made up of fine metal with approximately 4 % lead .. lead. lead. The last type of pewter , known as `` lay '' or `` ley '' metal , was used for items that were not in contact with food or drink .. pewter. pewter. It consisted of tin with 15 % lead .. tin. tin. lead. lead. These three alloys were used , with little variation , until the 20th century .. Lead was removed from the composition in 1974 , by BS5140 , reinforced by the European directive BSEN611 in 1994 .. European directive. European directive. Until the end of the 18th century , the only method of manufacture was by casting and the soldering of components .. casting. Casting ( metalworking ). soldering. soldering. From the last quarter of the 18th century , improvement in alloys -LRB- e.g. britannia metal -RRB- and techniques allowed objects to be made from pewter by stamping and spinning .. pewter. pewter. britannia metal. britannia metal. stamping. Stamping ( metalworking ). spinning. Metal spinning