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发明授权
CN105385910B 一种高强度耐热铝管及其制备方法 有权 转让

一种高强度耐热铝管及其制备方法
摘要：
本发明公开了一种高强度耐热铝管，其组分按重量百分比包括：Cu：0.5～0.9％，Mn：0.1～0.4％，Li：0.04～0.08％，Ti：0.6～1％，Zr：0.4～0.8％，Be：0.3～0.6％，Mg：0.1～0.2％，Ni：0.08～0.12％，Sn：0.01～0.05％，In：0.15～0.25％，Sb：0.05～0.08％，Cd：0.1～0.3％，Cr：0.2～0.5％，Y：0.02～0.05％，B：0.05～0.1％，Si：0.1～0.3％，余量为Al。本发明还公开了上述高强度耐热铝管的制备方法，包括如下步骤：熔炼浇注，热挤压，精整，固溶处理，时效处理。
摘要（英）：

The invention discloses a high-strength heat-resisting aluminum pipe which comprises, by weight, 0.5-0.9% of Cu, 0.1-0.4% of Mn, 0.04-0.08% of Li, 0.6-1% of Ti, 0.4-0.8% of Zr, 0.3-0.6% of Be, 0.1-0.2% of Mg, 0.08-0.12% of Ni, 0.01-0.05% of Sn, 0.15-0.25% of In, 0.05-0.08% of Sb, 0.1-0.3% of Cd, 0.2-0.5% of Cr, 0.02-0.05% of Y, 0.05-0.1% of B, 0.1-0.3% of Si and the balance Al. The invention further discloses a manufacturing method of the high-strength heat resisting aluminum pipe. The manufacturing method includes the following steps of melting casting, hot extruding, finishing, solution treatment and aging treatment.

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