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無(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，天(tian)津GB8163無(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)生產，天(tian)津GB5310無(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)生產商     GB6479無(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)是一(yi)(yi)(yi)種具有(you)(you)(you)中(zhong)空截(jie)面(mian)(mian)、周邊(bian)沒有(you)(you)(you)接縫(feng)(feng)(feng)的(de)(de)(de)長條(tiao)鋼(gang)(gang)(gang)(gang)材(cai)(cai)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)具有(you)(you)(you)中(zhong)空截(jie)面(mian)(mian)，大量(liang)用(yong)(yong)作輸(shu)送(song)流體(ti)的(de)(de)(de)管(guan)(guan)(guan)(guan)道，如輸(shu)送(song)石油(you)、天(tian)然氣、煤氣、水(shui)及某些固體(ti)物料的(de)(de)(de)管(guan)(guan)(guan)(guan)道等。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)與(yu)圓(yuan)鋼(gang)(gang)(gang)(gang)等實心鋼(gang)(gang)(gang)(gang)材(cai)(cai)相比，在(zai)(zai)抗(kang)(kang)彎(wan)抗(kang)(kang)扭強度(du)相同時(shi)，重量(liang)較輕，是一(yi)(yi)(yi)種經濟截(jie)面(mian)(mian)鋼(gang)(gang)(gang)(gang)材(cai)(cai)，廣(guang)泛(fan)用(yong)(yong)于制造結構件(jian)和機(ji)械(xie)零(ling)件(jian)，如石油(you)鉆桿、汽(qi)車(che)傳動(dong)(dong)軸、自(zi)行車(che)架以(yi)(yi)及建筑施工中(zhong)用(yong)(yong)的(de)(de)(de)鋼(gang)(gang)(gang)(gang)腳手(shou)架等。用(yong)(yong)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)制造環形零(ling)件(jian)，可(ke)(ke)提高材(cai)(cai)料利用(yong)(yong)率(lv)，簡化制造工序，節約材(cai)(cai)料和加工工時(shi)，如滾動(dong)(dong)軸承套圈、千斤(jin)頂套等，目前已廣(guang)泛(fan)用(yong)(yong)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)來制造。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)還(huan)是各(ge)種常(chang)規武器不(bu)可(ke)(ke)缺少(shao)的(de)(de)(de)材(cai)(cai)料，槍管(guan)(guan)(guan)(guan)、炮(pao)筒等都(dou)要(yao)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)來制造。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)按(an)橫(heng)截(jie)面(mian)(mian)積形狀的(de)(de)(de)不(bu)同可(ke)(ke)分(fen)為圓(yuan)管(guan)(guan)(guan)(guan)和異型(xing)管(guan)(guan)(guan)(guan)。由(you)于在(zai)(zai)周長相等的(de)(de)(de)條(tiao)件(jian)下(xia)，圓(yuan)面(mian)(mian)積 ，用(yong)(yong)圓(yuan)形管(guan)(guan)(guan)(guan)可(ke)(ke)以(yi)(yi)輸(shu)送(song)更多的(de)(de)(de)流體(ti)。此(ci)外，圓(yuan)環截(jie)面(mian)(mian)在(zai)(zai)承受(shou)(shou)內部或外部徑向(xiang)壓力時(shi)，受(shou)(shou)力較均(jun)勻，因此(ci)，絕大多數鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)是圓(yuan)管(guan)(guan)(guan)(guan)。但是，圓(yuan)管(guan)(guan)(guan)(guan)也有(you)(you)(you)一(yi)(yi)(yi)定(ding)的(de)(de)(de)局限性(xing)，如在(zai)(zai)受(shou)(shou)平面(mian)(mian)彎(wan)曲的(de)(de)(de)條(tiao)件(jian)下(xia)，圓(yuan)管(guan)(guan)(guan)(guan)就不(bu)如方、矩(ju)形管(guan)(guan)(guan)(guan)抗(kang)(kang)彎(wan)強度(du)大，一(yi)(yi)(yi)些農(nong)機(ji)具骨架、鋼(gang)(gang)(gang)(gang)木家具等就常(chang)用(yong)(yong)方、矩(ju)形管(guan)(guan)(guan)(guan)。根據(ju)不(bu)同用(yong)(yong)途還(huan)需有(you)(you)(you)其他截(jie)面(mian)(mian)形狀的(de)(de)(de)異型(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)。

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