產(chǎn)品描述
6061鋁合金簡介
6×××系鋁合金為鋁-鎂-硅合金,是熱處理型的耐腐蝕性鋁合金,強(qiáng)度和耐腐蝕性能較高,均勻性較好。6061是6×××系代表鋁合金,具有良好的可成形性、可焊接性、可機(jī)加工性,同時(shí)具有中等強(qiáng)度,在退火后能保持較好的操作性。
6061化學(xué)成分(wt%)
Si |
Fe |
Cu |
Mn |
Mg |
|
0.4~0.8 |
0.7 |
0.15~0.4 |
0.15 |
0.8~1.2 |
|
Cr |
Zn |
Ti |
Al |
其他 |
|
每個(gè) |
|||||
0.04~0.35 |
0.25 |
0.15 |
余量 |
0.05 |
0.15 |
注:以上數(shù)據(jù)摘自GB/T 3190-2008。國標(biāo)中規(guī)定的鋁合得獎(jiǎng)號(hào)從1996版就與全部標(biāo)準(zhǔn)接軌,采用四位數(shù)字體系。在1982版舊國標(biāo)中,與6061成分一致的牌號(hào)是LD30,市場上仍會(huì)見到,但其實(shí)已廢棄不用多年。
6061熱處理狀態(tài)
6061鋁合金可通過熱處理進(jìn)行強(qiáng)化,常見的熱處理狀態(tài)有O態(tài)和T6/T651。
O |
退火態(tài) |
T6 |
固溶熱處理及人工時(shí)效。固溶熱處理后未經(jīng) 冷加工。 |
T651 |
固溶熱處理后再經(jīng)拉伸工藝清理內(nèi)部應(yīng)力。 |
6061物理性能
密度(g/cm3) |
2.73 |
熱膨脹系數(shù)(μm/m·k)20~100℃ |
23.6 |
熔點(diǎn)范圍(℃) |
580~650 |
電導(dǎo)率(%IACS)20℃ |
43 |
電阻率(Ω·mm2/m) |
0.040 |
6061機(jī)械性能
狀態(tài) |
硬度 |
抗拉強(qiáng)度 |
屈服強(qiáng)度 |
伸長率 |
HB |
Mpa |
Mpa |
% |
|
O |
30 |
125 |
55 |
25 |
T6/T651 |
95 |
310 |
276 |
12 |
6061用途
耐腐蝕、強(qiáng)度好、可焊接為6061合金非常大的優(yōu)勢,同時(shí)與鋼鐵相比,鋁合金的質(zhì)量很輕,基于這些特點(diǎn),6061鋁合金常被用作:LCD/半導(dǎo)體設(shè)備部件、航空固定裝置、閥體、汽車零部件、治具夾具、二較管模架、焊錫載具、模型車底板、吹塑磨具、機(jī)械面板、自行車配件等。

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