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3A21鋁棒特殊鋁材-3系列鋁板/鋁材/鋁棒
專業(yè)為您提供3系列鋁板/鋁材/鋁棒牌號，材質單，在線報價單 歡迎選購
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.index-module_taskLogo__71Tj5{height:66px;position:absolute;right:30px;top:0;width:66px}.index-module_drawerHand__aRhcO.index-module_open__qMl5O{right:480px}.index-module_reverse__OKr6k{transform:rotate(180deg)}網頁新聞貼吧知道網盤圖片視頻地圖文庫資訊采購百科百度首頁登錄注冊進入詞條全站搜索幫助首頁秒懂百科特色百科知識專題加入百科百科團隊權威合作個人中心收藏查看我的收藏0有用+103A21鋁棒播報討論上傳視頻鍛鋁合金本詞條缺少概述圖，補充相關內容使詞條更完整，還能快速升級，趕緊來編輯吧！3A21鋁棒，從成分看即屬于硬鋁合金又屬于鍛鋁合金，與23A21相比，因含銅量較高，故強度較高中文名3A21鋁棒標 準AISI3A21鋁合金特性及適用范圍：3A21鋁合金從成分看即屬于硬鋁合金又屬于鍛鋁合金，與23A21相比，因含銅量較高，故強度較高，熱強性較好，但在熱態(tài)下的塑性不如3A21好，3A21鋁合金具有良好的可切削性，接觸焊、點焊和滾焊性能良好，電弧焊和氣焊性能差；可進行熱處理強化，有擠壓效應；耐蝕性不高，人工時效時有檢間腐蝕傾向?；瘜W成份：鋁Al：余量3A21鋁合金硅Si：0.6～1.2銅Cu：3.9～4.8鎂Mg：0.40～0.8鋅Zn：≤0.30錳Mn：0.40～1.0鈦Ti：≤0.15鎳Ni：≤0.10鐵Fe：0.000～0.700注：單個:≤0.05;合計:≤0.15力學性能：抗拉強度σb(MPa)：≥440伸長率δ5(%)：≥10注：棒材室溫縱向力學性能試樣尺寸：棒材直徑(方棒、六角棒內切圓直徑)≤22新手上路成長任務編輯入門編輯規(guī)則本人編輯我有疑問內容質疑在線客服官方貼吧意見反饋投訴建議舉報不良信息未通過詞條申訴投訴侵權信息封禁查詢與解封?2024?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺?|?京ICP證030173號?京公網安備11000002000001號window.PAGE_DATA= 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3A21鋁棒 產品名稱： 3A21鋁棒 國內通稱： 3A21 主要成份： Si、Fe、Cu、Mn、Mg、Cr、Zn、Zr、Al 材料說明： 3A21鋁合金是應用最廣的一種防銹鋁，這種合金的強度不高（稍高于工業(yè)純鋁），不能熱處理強化，故采用冷加工方法來提高它的力學性能
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