Tin free steel JIS G3315, ISO9001:2008, Material: MR,SPCC,SPCD, ... 0.1-0.5mm Temper:T2-T6,DR8 DR9 DR10 Tin free steel plate for crown caps/ends/bottom Standard: Jis G3315Raw ... T4 T5 T6 DR8 DR9 DR10Tin coating: Chrome coating mass: 60-80mg/m2, Chrome oxide coating mass min.: 7mg/m2, ... luster surface provided by a flow-brightened tin coating on a steel base characterized by a directional grindstone pattern. ...