QSn4－3錫青銅棒

QSn4－3力(li)學(xue)性(xing)(xing)(xing)(xing)能(neng)：(在20℃檢測機械性(xing)(xing)(xing)(xing)能(neng)的(de)(de)zui小值(zhi))抗(kang)(kang)拉(la)強度(du) （σb/MPa）：275伸(shen)長率 （δ10/%）：≥25伸(shen)長率 （δ5/%）：≥30注：棒材的(de)(de)室溫(wen)縱向力(li)學(xue)性(xing)(xing)(xing)(xing)能(neng)試(shi)樣尺寸：直徑（40-120）QSn4－3工藝性(xing)(xing)(xing)(xing)能(neng)與要求：熱處理(li):熱加(jia)工溫(wen)度(du)750℃;退(tui)火溫(wen)度(du)600℃應用(yong)(yong)范圍(wei)適于制作彈(dan)簧(huang)(扁(bian)彈(dan)簧(huang)、圓(yuan)彈(dan)簧(huang))及(ji)(ji)(ji)其他(ta)彈(dan)性(xing)(xing)(xing)(xing)元件(jian)(jian),化工設(she)備上的(de)(de)耐(nai)蝕(shi)零(ling)(ling)(ling)件(jian)(jian)以及(ji)(ji)(ji)耐(nai)磨(mo)零(ling)(ling)(ling)件(jian)(jian)(如(ru)襯套(tao)、圓(yuan)盤、軸承等)和(he)(he)抗(kang)(kang)磁(ci)零(ling)(ling)(ling)件(jian)(jian)、造(zao)紙工業用(yong)(yong)的(de)(de)刮刀(dao)。QSn4－3錫(xi)青(qing)銅(tong)QSn4－3特(te)性(xing)(xing)(xing)(xing)及(ji)(ji)(ji)應用(yong)(yong)領域概述：為含(han)鋅的(de)(de)錫(xi)青(qing)銅(tong)，耐(nai)磨(mo)性(xing)(xing)(xing)(xing)和(he)(he)彈(dan)性(xing)(xing)(xing)(xing)高(gao)，抗(kang)(kang)磁(ci)性(xing)(xing)(xing)(xing)良好(hao)，能(neng)很好(hao)地承受熱態(tai)或冷態(tai)壓力(li)加(jia)工；在硬態(tai)下，可切削性(xing)(xing)(xing)(xing)好(hao)，易焊接和(he)(he)釬焊，在大氣，淡水和(he)(he)海(hai)水中耐(nai)蝕(shi)性(xing)(xing)(xing)(xing)好(hao)。QSn4-3用(yong)(yong)于制作彈(dan)簧(huang)（扁(bian)彈(dan)簧(huang)、圓(yuan)彈(dan)簧(huang)）及(ji)(ji)(ji)其他(ta)彈(dan)性(xing)(xing)(xing)(xing)元件(jian)(jian)，化工設(she)備上的(de)(de)耐(nai)蝕(shi)零(ling)(ling)(ling)件(jian)(jian)以及(ji)(ji)(ji)耐(nai)磨(mo)零(ling)(ling)(ling)件(jian)(jian)（如(ru)襯套(tao)、圓(yuan)盤、軸承等）和(he)(he)抗(kang)(kang)磁(ci)零(ling)(ling)(ling)件(jian)(jian)造(zao)紙工業用(yong)(yong)的(de)(de)刮刀(dao)。QSn4－3 化學(xue)成份：Sn：3.5-4.l:0.002Zn:2.7-3.3Fe:0.05Pb:0.02Ni:0.2P:0.03Cu:余(yu)量(liang)雜(za)質(zhi)：0.2