物理性能及機(jī)械性能:固相線(xiàn)1020℃液相線(xiàn)1050℃密度8.9kg/dm3抗拉強(qiáng)度210-220N/mm2 延展率30-40% 布氏硬度60HB應(yīng)用范圍：用于紫銅的氬弧焊及壁厚大于3mm的銅與鋼、灰口鑄鐵、鎳合金的焊接，特別適用于大厚度焊件。化學(xué)成分（%）執(zhí)行標(biāo)準(zhǔn)分類(lèi)號(hào)合金號(hào)CuAlFeMnNiPPbSiSnAs其他元素總量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