... QB: QSn6.5-0.1, QSn6.5-0.4, QSn7-0.2, QSn4-3 b) ASTM: C52100 Features:1) Standards: a) GB / QB: QSn6.5-0.1, QSn6.5-0.4, QSn7-0.2, QSn4 ... ) DIN: CuSn6.5P0.1, CuSn6.5P0.4, CuSn7P0.2, CuSn4Zn3 2) Specification: 0.1 - 12.0mm 3) Excellent corrosion- ... resistance, wearability, elasticity and welding performance 4) Application: suitable to ...