長(zhǎng)沙寧鄉(xiāng)304不銹鋼管生產(chǎn)不銹鋼無(wú)縫管的企業(yè).企業(yè)擁有渦流探傷機(jī)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)爻暡ㄌ絺麢C(jī)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)鼗瘜W(xué)分析儀器、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)馗邏涸囁娜自O(shè)備，為產(chǎn)品質(zhì)量提供了必要條件。產(chǎn)品廣泛應(yīng)用于石油、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)厥?、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)鼗C(jī)械、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)睾穗姟㈤L(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)劐仩t、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)責(zé)峤粨Q器、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)卦旒?、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)丶徔?、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)鼗w機(jī)械、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)蒯t(yī)療設(shè)備、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)丨h(huán)保等行業(yè)。企業(yè)主要生產(chǎn)設(shè)備有不銹鋼管冷拔機(jī)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)乩滠垯C(jī)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)剡B續(xù)式固溶爐等設(shè)備。長(zhǎng)沙寧鄉(xiāng)304不銹鋼管可生產(chǎn)0Cr18Ni9(304) 、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?0Cr19Ni10(304L)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?Cr18Ni9Ti(321)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?Cr18Ni10Ti(321H)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?Cr17Ni12Mo2(316)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?0Cr17Ni14Mo2(316L)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?Cr18Ni12Mo2Ti(316Ti)、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?0Cr25Ni20(310S) 、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)?00Cr19Ni13Mo3(317L)等奧氏體不銹鋼無(wú)縫管，規(guī)格有Φ6-426×1.0－30mm還可以按客戶要求訂做各種特殊材質(zhì)非標(biāo)管及管件、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)胤ㄌm、長(zhǎng)沙寧鄉(xiāng)當(dāng)?shù)亻y門等。

惰性氣體保護(hù)焊。厚壁鋼管，把鋼管外徑和壁厚之比小于20的鋼管稱為厚壁鋼管。主要用做石油地質(zhì)鉆探管、石油化工用的裂化管、鍋爐管、軸承管以及汽車、拖拉機(jī)、不銹鋼管航空用高精度結(jié)構(gòu)管等中文名厚壁鋼管外文名Thick wall steel pipe別＆nbsp；＆nbsp；＆nbsp； 名小口徑厚壁鋼管，長(zhǎng)沙寧鄉(xiāng)大口徑厚壁鋼管壁厚/管徑小于0.05的分＆nbsp；＆nbsp；＆nbsp； 為裂化管、鍋爐管、軸承。 其實(shí)上述不銹鋼焊管的各種焊接方法均有各自的優(yōu)點(diǎn)和不足。長(zhǎng)沙寧鄉(xiāng)如何揚(yáng)長(zhǎng)避短，將幾種焊接方法加以組合形成新的焊接工藝，滿足人們對(duì)不銹鋼焊管質(zhì)量和生產(chǎn)效率的要求，是當(dāng)前不銹鋼焊管技術(shù)發(fā)展的新趨勢(shì)。 經(jīng)過(guò)近幾年的探索研究，組合焊接工藝已取得了進(jìn)展，日本、法國(guó)等的不銹鋼焊管生產(chǎn)已掌握了一定的組合焊接技術(shù)。