產品描述
H62黃(huang)銅表示(shi)平均(jun)含銅量為62%的(de)(de)普通黃(huang)銅,在普通黃(huang)銅的(de)(de)基礎(chu)上加(jia)入其它元素(su)的(de)(de)銅合(he)金稱特(te)殊黃(huang)銅,仍以(yi)"H"表示(shi),后面會(hui)跟其它添加(jia)元素(su)的(de)(de)化學符號和(he)平均(jun)成份。
如H62為(wei)(wei)(wei)(wei)含(han)(han)銅(tong)(tong)量(liang)(liang)為(wei)(wei)(wei)(wei)60.5%~63.5%,余(yu)量(liang)(liang)為(wei)(wei)(wei)(wei)鋅含(han)(han)量(liang)(liang);而HAl59-3-2則表示其銅(tong)(tong)含(han)(han)量(liang)(liang)57%~60%,鋁含(han)(han)量(liang)(liang)為(wei)(wei)(wei)(wei)2.5%~3.5%,鎳含(han)(han)量(liang)(liang)為(wei)(wei)(wei)(wei)2%~3%,其余(yu)為(wei)(wei)(wei)(wei)鋅含(han)(han)量(liang)(liang)。黃(huang)銅(tong)(tong)分為(wei)(wei)(wei)(wei)普通(tong)黃(huang)銅(tong)(tong),特殊黃(huang)銅(tong)(tong)及鑄造(zao)黃(huang)銅(tong)(tong)三種,鑄造(zao)黃(huang)銅(tong)(tong)以ZCu開(kai)頭后(hou)面跟(gen)其它(ta)元素的符號及其平均含(han)(han)量(liang)(liang)。
普(pu)通黃(huang)銅(tong),有良(liang)好的(de)(de)力學性(xing)(xing)能,熱(re)態下塑性(xing)(xing)好,冷態下塑性(xing)(xing)也可(ke)以,切削(xue)性(xing)(xing)好,易釬焊(han)和焊(han)接,耐(nai)蝕,但易產生腐蝕破裂(lie)。此外價格便宜,是應用(yong)廣泛(fan)的(de)(de)一(yi)個普(pu)通黃(huang)銅(tong)品種(zhong)。H62 (即四六黃(huang)銅(tong))。在室溫下β相較α相硬得多,因而可(ke)用(yong)于承(cheng)受較大載荷(he)的(de)(de)零件。α+β兩相黃(huang)銅(tong)可(ke)在600℃以上進(jin)行熱(re)加(jia)工。α+β兩相黃(huang)銅(tong)顯(xian)微組織:α為亮白(bai)色(se)的(de)(de)固溶體(ti),β是CuZn為基的(de)(de)有序固溶體(ti)。
化學成分
Cu--60.5~63.5% Fe--≤0.15% Pb--≤0.08% Sb--≤0.005%
Bi--≤0.002% P--≤0.01% Zn--余量(liang) 雜質(zhi)總和(he):≤0.5%
力學性能
抗拉(la)強度(du):(σb/MPa)410-630
伸長率:(δ10/%)≥10
維氏硬度:(HV)105-175 (厚度≥0.3)
注:厚度0.3-10