標準:GB/T 2059-2000
●特性及適用范圍:
TP2磷脫氧銅(tong)焊(han)接(jie)性(xing)(xing)能(neng)和冷彎性(xing)(xing)能(neng)好,一般無“氫(qing)病”傾向,可在還原(yuan)性(xing)(xing)氣氛中加工(gong)、使(shi)用(yong)(yong),但不宜在氧化性(xing)(xing)氣氛中加工(gong)、使(shi)用(yong)(yong)。TP1的殘磷量比(bi)TP2少,故其(qi)導(dao)電(dian)、導(dao)熱性(xing)(xing)較TP2高。TP1和TP2主要以(yi)管材應用(yong)(yong),也可以(yi)板、帶或棒、線(xian)供應。用(yong)(yong)作汽油或氣體輸送管、排水(shui)管、冷凝(ning)管、水(shui)雷用(yong)(yong)管、冷凝(ning)器、蒸發器、熱交換器、火車箱零件(jian)。
銅+銀 Cu+Ag:≥99.85
錫 Sn :≤0.01
鉛(qian) Pb:≤0.005
磷 P:0.013~0.050
鎳(nie) Ni:≤0.01
鐵 Fe:≤0.05(0.005)
銻 Sb :≤0.002
硫 S :≤0.005
砷 As :≤0.005
鉍 Bi:≤0.002
氧 O:≤0.01
注:≤0.15(雜質)
●力學性能:
抗拉強度 σb (MPa):215~275
伸長率(lv) δ10 (%):≥25
硬(ying)度 :55~100HV
注 :帶材的(de)室溫拉伸力學(xue)性能(neng)
試樣尺(chi)寸:厚度(du)≥0.3
狀態:磷(lin)脫氧銅帶材(1/4硬,≥0.3mm)