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鍍鋅架子管的力學(xué)性能

鍍鋅架子管的力學(xué)性能鍍鋅管現(xiàn)在主要用于輸送氣體和加熱。鍍鋅管用作水管。經(jīng)過(guò)幾年的使用，管道中產(chǎn)生了大量的銹垢，流出的黃水不僅污染了衛(wèi)生潔具，還和滋生在不光滑內(nèi)壁上

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　　鍍鋅架子管的力學(xué)性能

　　鍍鋅管現(xiàn)在主要用于輸送氣體和加熱。鍍鋅管用作水管。經(jīng)過(guò)幾年的使用，管道中產(chǎn)生了大量的銹垢，流出的黃水不僅污染了衛(wèi)生潔具，還和滋生在不光滑內(nèi)壁上的細(xì)菌混合在一起。腐蝕造成水中重金屬含量超標(biāo)，嚴(yán)重危害人體健康。20世紀(jì)六七十年代，發(fā)達(dá)國(guó)家開始開發(fā)新的管材，鍍鋅管相繼被禁止。包括中國(guó)和建設(shè)部，在內(nèi)的四個(gè)部委也于2000年發(fā)布文件，明確禁止使用鍍鋅管。

鍍鋅架子管的力學(xué)性能

　　技術(shù)需求

　　1、品牌和化學(xué)成分

　　鍍鋅鋼管用鋼的牌號(hào)和化學(xué)成分應(yīng)符合GB 3091中規(guī)定的黑管用鋼的牌號(hào)和化學(xué)成分。

　　2.制造方法

　　黑管的制造方法(爐焊或電焊)由制造商選擇。熱鍍鋅法鍍鋅。

　　3.螺紋和管接頭

　　3.1帶螺紋交貨的鍍鋅鋼管，應(yīng)在鍍鋅后加工螺紋。螺紋應(yīng)符合YB 822。

　　3.2鋼管接頭應(yīng)符合YB 238的規(guī)定;可鍛鑄鐵管接頭應(yīng)符合YB 230。

　　4.機(jī)械性能鍍鋅前鋼管的機(jī)械性能應(yīng)符合GB 3091的規(guī)定。

　　5.鍍鋅層均勻性鍍鋅鋼管應(yīng)進(jìn)行鍍鋅層均勻性測(cè)試。鋼管樣品在硫酸銅溶液中連續(xù)浸泡5次后不得變紅(鍍銅色)。

　　6.冷彎試驗(yàn)公稱直徑不超過(guò)50毫米的鍍鋅鋼管應(yīng)進(jìn)行冷彎試驗(yàn)。彎曲角度為90，彎曲半徑為外徑的8倍。試驗(yàn)應(yīng)在無(wú)填料的情況下進(jìn)行，試樣的焊縫應(yīng)放置在彎曲方向的外側(cè)或上部。試驗(yàn)后，樣品上不應(yīng)有裂紋和鋅層剝落。

鍍鋅架子管的力學(xué)性能

　　7.水壓試驗(yàn)水壓試驗(yàn)應(yīng)在黑管中進(jìn)行，可用渦流試驗(yàn)代替水壓試驗(yàn)。試驗(yàn)壓力或渦流檢查對(duì)比樣品尺寸應(yīng)符合GB 3092的規(guī)定。

　　山東源達(dá)旺可根據(jù)客戶需求定軋鍍鋅架子管，下屬機(jī)械加工廠可代用戶切割半成品及成品的鋼板切割件。在鋼鐵行業(yè)中有較高的信譽(yù)。本公司用戶遍及全國(guó)各地。歡迎來(lái)電咨詢：18265519000 0635-8819009 。山東源達(dá)旺鋼鐵公司為答謝新老客戶對(duì)山東源達(dá)旺架子管的信任與支持，凡來(lái)廠考察的客戶，源達(dá)旺鋼材為您報(bào)銷往返差旅費(fèi)用，讓各位朋友考察源達(dá)旺鋼材無(wú)后顧之憂!

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