物理性能及机械性能:固相线1020℃液相线1050℃密度8.9kg/dm³抗拉强度210-220N/mm² 延展率30-40% 布氏硬度60HB应用范围：用于紫铜的氩弧焊及壁厚大于3mm的铜与钢、灰口铸铁、镍合金的焊接，特别适用于大厚度焊件。化学成分（%）执行标准分类号合金号CuAlFeMnNiPPbSiSnAs其他元素总量ISO24373Cu1898CuSn1min 980.01-0.50-0.150.020.51.0-0.50GB/T9460SCu1898CuSn1min 98max 0.01-max 0.5-max 0.15max 0.02max 0.5max 1.0-max 0.5BS EN14640Cu1898CuSn1bal.0.010.050.1-0.50.30.020.020.50.5-1.00.050.1AWS A5.7C18980ERCumin 980.01-0.50-0.150.020.51.0-0.50DIN 17332.1006SG-CuSnbal.max 0.01max 0.050.1-0.5max 0.3max 0.02max 0.010.1-0.50.5-1.0max 0.05max 0.1