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H62黃銅
H62黃銅
H62黃(huang)(huang)(huang)銅(tong)(tong)(tong)表示(shi)平(ping)(ping)均含(han)(han)(han)銅(tong)(tong)(tong)量(liang)(liang)為(wei)(wei)62%的(de)(de)普通(tong)黃(huang)(huang)(huang)銅(tong)(tong)(tong),在普通(tong)黃(huang)(huang)(huang)銅(tong)(tong)(tong)的(de)(de)基(ji)礎上(shang)加入其它(ta)元素的(de)(de)銅(tong)(tong)(tong)合金稱特(te)殊(shu)(shu)黃(huang)(huang)(huang)銅(tong)(tong)(tong),仍以"H"表示(shi),后面會(hui)跟(gen)(gen)其它(ta)添加元素的(de)(de)化學符(fu)號和平(ping)(ping)均成(cheng)份,如H62為(wei)(wei)含(han)(han)(han)銅(tong)(tong)(tong)量(liang)(liang)為(wei)(wei)60.5%~63.5%,余量(liang)(liang)為(wei)(wei)鋅含(han)(han)(han)量(liang)(liang);而(er)HAl59-3-2則(ze)表示(shi)其銅(tong)(tong)(tong)含(han)(han)(han)量(liang)(liang)57%~60%,鋁(lv)含(han)(han)(han)量(liang)(liang)為(wei)(wei)2.5%~3.5%,鎳含(han)(han)(han)量(liang)(liang)為(wei)(wei)2%~3%, 其余為(wei)(wei)鋅含(han)(han)(han)量(liang)(liang)。黃(huang)(huang)(huang)銅(tong)(tong)(tong)分(fen)為(wei)(wei)普通(tong)黃(huang)(huang)(huang)銅(tong)(tong)(tong),特(te)殊(shu)(shu)黃(huang)(huang)(huang)銅(tong)(tong)(tong)及(ji)鑄造黃(huang)(huang)(huang)銅(tong)(tong)(tong)三種,鑄造黃(huang)(huang)(huang)銅(tong)(tong)(tong)以ZCu開頭(tou)后面跟(gen)(gen)其它(ta)元素的(de)(de)符(fu)號及(ji)其平(ping)(ping)均含(han)(han)(han)量(liang)(liang)。
一般特性
普(pu)通黃(huang)銅(tong)(tong),有(you)良(liang)好(hao)的(de)力學性能,熱態下(xia)塑性好(hao),冷態下(xia)塑性也(ye)可(ke)(ke)以(yi),切削性好(hao),易釬(han)焊和焊接(jie),耐蝕,但易產生腐蝕破裂(lie)。此外價格便(bian)宜,是應用廣泛(fan)的(de)一個(ge)普(pu)通黃(huang)銅(tong)(tong)品種。H62(即四六(liu)黃(huang)銅(tong)(tong))。在(zai)室溫下(xia)β相(xiang)較α相(xiang)硬得多,因(yin)而可(ke)(ke)用于(yu)承(cheng)受(shou)較大載荷的(de)零件。α+β兩(liang)相(xiang)黃(huang)銅(tong)(tong)可(ke)(ke)在(zai)600℃以(yi)上進(jin)行熱加工。α+β兩(liang)相(xiang)黃(huang)銅(tong)(tong)顯微組織(zhi):α為亮白(bai)色的(de)固溶體(ti),β是CuZn為基的(de)有(you)序固溶體(ti)。
用途
可做各種深拉伸和彎折制造的受力零件,如銷釘、鉚釘、墊圈、螺母、導管、氣壓表彈簧、篩網、散熱器零件等。
機械性(xing)能:抗(kang)拉強度(Rm N/mm2):385.0 延(yan)伸率(A%):15.0 [1]
物理性能
密(mi)度:8.5g/cm^3
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
雜質總和:≤0.5%
力學性能
抗拉強度:(σb/MPa)410-630
伸長率:(δ10/%)≥10
維氏硬度:(HV)105-175 (厚度≥0.3)
注(zhu):厚度0.3-10