Q355D無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)關(guan)鍵原(yuan)(yuan)材(cai)(cai)料(liao)(liao)(Raw material)--鋼(gang)(gang)(gang)(gang)(gang)(gang)的(de)國家(jia)行業標準ISO4948/1∣鋼(gang)(gang)(gang)(gang)(gang)(gang)的(de)歸(gui)(gui)類(Classification)∣鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)規格表(biao)鋼(gang)(gang)(gang)(gang)(gang)(gang)的(de)國家(jia)行業標準：ISO4948/1；鋼(gang)(gang)(gang)(gang)(gang)(gang)的(de)歸(gui)(gui)類：第一(yi)部分鋼(gang)(gang)(gang)(gang)(gang)(gang)按(an)(an)有(you)機(ji)化(hua)(hua)學(Chemistry)成份分非碳素(su)鋼(gang)(gang)(gang)(gang)(gang)(gang)(alloy steel)與碳素(su)鋼(gang)(gang)(gang)(gang)(gang)(gang)；鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)規格表(biao)Φ35×2.0Φ45×10Φ65×7.0Φ90×2.2Φ130×2.8Φ35×2.2Φ48×1.0Φ65×8.0Φ90×2.5Φ130×3.0Φ35×2.5Φ48×1.2Φ65×9.0Φ90×2.8Φ130×3.5Φ35×2.8Φ48×1.5Φ65×10Φ90×3.0Φ130×4.0Φ35×3.0Φ48×1.8Φ65×12Φ90×3.5Φ130×4.5Φ35×3.5Φ48×2.0Φ65×14Φ90×4.0Φ130×5.0Φ35×4.0Φ48×2.2Φ70×1.0Φ90×4.5Φ130×5.5Φ35×4.5Φ48×2.5Φ70×1.2Φ90×5.0Φ130×6.0Φ35×5.0Φ48×2.8Φ70×1.5Φ90×5.5Φ130×7.Q355D無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)主要(yao)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)(tu)很普遍(bian)(extensive)。一(yi)般主要(yao)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)(tu)的(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)由一(yi)般的(de)碳素(su)鋼(gang)(gang)(gang)(gang)(gang)(gang)、低合金(jin)結構(gou)(gou)鋼(gang)(gang)(gang)(gang)(gang)(gang)或合金(jin)工(gong)(gong)(gong)(gong)(gong)(gong)具鋼(gang)(gang)(gang)(gang)(gang)(gang)冷軋，生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)量較多(duo)，關(guan)鍵作為(wei)運(yun)輸液體(ti)的(de)管(guan)(guan)(guan)(guan)線(xian)(Conduit)或構(gou)(gou)造(zao)(zao)(zao)零(ling)(ling)件(jian)(jian)。2、依據主要(yao)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)(tu)不一(yi)樣(yang)分三類供貨(huo)：A、按(an)(an)有(you)機(ji)化(hua)(hua)學(Chemistry)成份(ingredient)和(he)(he)物理(li)性(xing)能(neng)供貨(huo)；B、按(an)(an)機(ji)械(xie)(xie)設(she)備（machinery）特性(xing)供貨(huo)；C、按(an)(an)壓(ya)(ya)力(專指:氣體(ti)壓(ya)(ya)強(qiang))實驗(yan)供貨(huo)。按(an)(an)　　A、b類供貨(huo)的(de)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，如用(yong)(yong)(yong)(yong)(yong)(yong)(yong)以承擔液體(ti)壓(ya)(ya)力，也需要(yao)開展打壓(ya)(ya)試(shi)驗(yan)。無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)普遍(bian)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)以生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)零(ling)(ling)部件(jian)(jian)和(he)(he)機(ji)械(xie)(xie)零(ling)(ling)件(jian)(jian)，如石油(you)鉆桿(gan)、傳動軸(zhou)、自(zi)行車(che)(che)(che)車(che)(che)(che)架及其建筑工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)選用(yong)(yong)(yong)(yong)(yong)(yong)(yong)的(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)腳手架等(deng)(deng)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)環(huan)狀零(ling)(ling)件(jian)(jian)，可增(zeng)強(qiang)原(yuan)(yuan)材(cai)(cai)料(liao)(liao)使用(yong)(yong)(yong)(yong)(yong)(yong)(yong)率，優化(hua)(hua)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)工(gong)(gong)(gong)(gong)(gong)(gong)藝流(liu)程(cheng)，節(jie)省原(yuan)(yuan)材(cai)(cai)料(liao)(liao)和(he)(he)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)加工(gong)(gong)(gong)(gong)(gong)(gong)施工(gong)(gong)(gong)(gong)(gong)(gong)時間(jian)，已普遍(bian)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)來(lai)(lai)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)。3、專門(men)針對(dui)主要(yao)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)(tu)的(de)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)有(you)加熱爐(lu)（Boilers）用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)、化(hua)(hua)工(gong)(gong)(gong)(gong)(gong)(gong)廠電力工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)，地質環(huan)境用(yong)(yong)(yong)(yong)(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)及原(yuan)(yuan)油(you)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)等(deng)(deng)多(duo)種多(duo)樣(yang)。 鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)具備空心(xin)(zhōng kōng)橫截面，很多(duo)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)來(lai)(lai)傳送(song)液體(ti)的(de)管(guan)(guan)(guan)(guan)線(xian)(Conduit)，如運(yun)輸原(yuan)(yuan)油(you)(petroleum)、天(tian)燃氣、液化(hua)(hua)氣、水及一(yi)些固態原(yuan)(yuan)材(cai)(cai)料(liao)(liao)的(de)管(guan)(guan)(guan)(guan)線(xian)等(deng)(deng)。GB5310廣泛運(yun)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于原(yuan)(yuan)油(you)、化(hua)(hua)工(gong)(gong)(gong)(gong)(gong)(gong)機(ji)械(xie)(xie)設(she)備管(guan)(guan)(guan)(guan)路和(he)(he)多(duo)種主要(yao)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)(tu)的(de)不銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)(gang)板構(gou)(gou)造(zao)(zao)(zao)零(ling)(ling)件(jian)(jian)，除應確(que)保(bao)成分和(he)(he)物理(li)性(xing)能(neng)，凡作為(wei)承擔液體(ti)工(gong)(gong)(gong)(gong)(gong)(gong)作壓(ya)(ya)力的(de)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)要(yao)確(que)保(bao)打壓(ya)(ya)試(shi)驗(yan)達標。各(ge)種各(ge)樣(yang)專用(yong)(yong)(yong)(yong)(yong)(yong)(yong)型無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)要(yao)按(an)(an)照規定確(que)保(bao)標準。無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)與園鋼(gang)(gang)(gang)(gang)(gang)(gang)等(deng)(deng)空心(xin)不銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)(gang)板材(cai)(cai)對(dui)比(bi)，在抗(kang)彎強(qiang)度(du)抗(kang)扭抗(kang)壓(ya)(ya)強(qiang)度(du)（strength)同樣(yang)時，凈重(zhong)較輕(qing)，是(shi)一(yi)種經濟發展(Economy)橫截面不銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)(gang)板材(cai)(cai)。 普遍(bian)(extensive)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)以生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)(zhì zào)構(gou)(gou)造(zao)(zao)(zao)(Structure)件(jian)(jian)和(he)(he)機(ji)械(xie)(xie)設(she)備（machinery）零(ling)(ling)件(jian)(jian)，如原(yuan)(yuan)油(you)(petroleum)鉆具、車(che)(che)(che)輛(auto)轉動軸(zhou)(轉動軸(zhou)構(gou)(gou)成:半(ban)軸(zhou)套(tao)管(guan)(guan)(guan)(guan)、伸(shen)縮式套(tao)和(he)(he)十(shi)字(zi)軸(zhou))、自(zi)行車(che)(che)(che)車(che)(che)(che)架及其建筑工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)選用(yong)(yong)(yong)(yong)(yong)(yong)(yong)的(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)腳手架等(deng)(deng)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)環(huan)狀零(ling)(ling)件(jian)(jian)，可增(zeng)強(qiang)原(yuan)(yuan)材(cai)(cai)料(liao)(liao)(Material)使用(yong)(yong)(yong)(yong)(yong)(yong)(yong)率(availability)，優化(hua)(hua)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)工(gong)(gong)(gong)(gong)(gong)(gong)藝流(liu)程(cheng)，節(jie)省原(yuan)(yuan)材(cai)(cai)料(liao)(liao)和(he)(he)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)加工(gong)(gong)(gong)(gong)(gong)(gong)(Processing)施工(gong)(gong)(gong)(gong)(gong)(gong)時間(jian)，已普遍(bian)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)來(lai)(lai)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)制(zhi)造(zao)(zao)(zao)。