厚壁焊管制造工藝

　　厚壁焊管生產(chan)的(de)生產(chan)制造(zao)工藝可分為冷(leng)拔、冷(leng)軋(ya)和熱軋(ya)三種(zhong)基(ji)本方(fang)式，鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)材質為10#、20#、35#、45#稱(cheng)為 普(pu)通鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，16Mn介于(yu)普(pu)通鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)和合(he)金鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)之間稱(cheng)為低(di)合(he)金鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)材質為27SiMn、12Cr1MoV、10CrMo910、15CrMo、35CrMo以及不銹鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)統稱(cheng)為合(he)金鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。按照用(yong)(yong)途分為結構用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);輸送(song)用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);鍋爐用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);鍋爐用(yong)(yong)高壓(ya)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);化肥設備用(yong)(yong)高壓(ya)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);地質磚探用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);石(shi)油磚探用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);石(shi)油裂化用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);船(chuan)舶用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);冷(leng)拔冷(leng)軋(ya)精密無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan);各種(zhong)合(he)金管(guan)(guan)(guan)(guan)(guan)(guan)。

　　API無縫鋼管表示方法為外徑，壁厚，厚壁無縫鋼管主要用于機械加工，煤礦，液壓鋼，等多種用途。厚壁無縫鋼管分類——熱軋厚壁無縫鋼管、冷(leng)(leng)軋厚壁(bi)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)(leng)拔厚壁(bi)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、擠壓厚壁(bi)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、頂管(guan)(guan)(guan)(guan)(guan)(guan)結構(gou)用(yong)不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(GB/T14975-1994)是(shi)廣泛用(yong)于(yu)化工(gong)、石油、輕(qing)紡(fang)、醫療、食品、機械(xie)等工(gong)業的(de)(de)(de)耐(nai)腐蝕管(guan)(guan)(guan)(guan)(guan)(guan)道和(he)結構(gou)件及零件的(de)(de)(de)不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)制成的(de)(de)(de)熱(re)(re)軋(擠、擴)和(he)冷(leng)(leng)拔(軋)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。流(liu)體輸送用(yong)不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(GB/T14976-1994)是(shi)用(yong)于(yu)輸送流(liu)體的(de)(de)(de)不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)制成的(de)(de)(de)熱(re)(re)軋(擠、擴)和(he)冷(leng)(leng)拔(軋)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。異(yi)型(xing)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)是(shi)除了圓管(guan)(guan)(guan)(guan)(guan)(guan)以(yi)外的(de)(de)(de)其他截(jie)(jie)面形狀的(de)(de)(de)API無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)總(zong)稱。按(an)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)截(jie)(jie)面形狀尺寸的(de)(de)(de)不(bu)(bu)(bu)同(tong)又可分為等壁(bi)厚異(yi)型(xing)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(代(dai)號(hao)為D)、不(bu)(bu)(bu)等壁(bi)厚異(yi)型(xing)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(代(dai)號(hao)為BD)、變直徑(jing)異(yi)型(xing)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(代(dai)號(hao)為BJ)。異(yi)型(xing)無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)廣泛用(yong)于(yu)各種結構(gou)件、工(gong)具(ju)和(he)機械(xie)零部件。和(he)圓管(guan)(guan)(guan)(guan)(guan)(guan)相(xiang)比，異(yi)型(xing)管(guan)(guan)(guan)(guan)(guan)(guan)一般(ban)都有(you)較大(da)(da)的(de)(de)(de)慣性矩和(he)截(jie)(jie)面模(mo)數，有(you)較大(da)(da)的(de)(de)(de)抗彎(wan)抗扭能力，可以(yi)大(da)(da)大(da)(da)減輕(qing)結構(gou)重量，節約鋼(gang)(gang)(gang)材。