45號無縫鋼管零售加工
45號無縫鋼管熱擴生產工藝
空心母材不(bu)帶芯棒的(de)(de)連續軋制(zhi)(zhi)過程(cheng)。在保證母管(guan)(guan)(guan)(guan)焊(han)接(jie)質(zhi)量的(de)(de)前提下,焊(han)管(guan)(guan)(guan)(guan)張(zhang)力(li)(li)減(jian)(jian)(jian)徑(jing)(jing)工藝(yi)是將焊(han)管(guan)(guan)(guan)(guan)整體加(jia)熱(re)到(dao)950攝氏度以上(shang),再(zai)經(jing)張(zhang)力(li)(li)減(jian)(jian)(jian)徑(jing)(jing)機(張(zhang)力(li)(li)減(jian)(jian)(jian)徑(jing)(jing)機共有(you)24道次)軋制(zhi)(zhi)成各種外徑(jing)(jing)與(yu)壁厚的(de)(de)成品管(guan)(guan)(guan)(guan),采用此(ci)工藝(yi)所生產的(de)(de)熱(re)擴鋼管(guan)(guan)(guan)(guan)與(yu)普通(tong)的(de)(de)高頻(pin)焊(han)管(guan)(guan)(guan)(guan)有(you)本質(zhi)的(de)(de)區別(bie),通(tong)過加(jia)熱(re)爐加(jia)熱(re)后其焊(han)縫(feng)與(yu)母體的(de)(de)金相組(zu)織和機械性能可以達(da)到(dao)完全(quan)一致(zhi)此(ci)外 ,通(tong)過多(duo)道次的(de)(de)張(zhang)力(li)(li)減(jian)(jian)(jian)徑(jing)(jing)機軋制(zhi)(zhi)和自動控制(zhi)(zhi)使得鋼管(guan)(guan)(guan)(guan)的(de)(de)尺(chi)寸精度(尤其是管(guan)(guan)(guan)(guan)體圓(yuan)度和壁厚精度)優于(yu)同類無縫(feng)管(guan)(guan)(guan)(guan)。世(shi)界發達(da)國家生產的(de)(de)流(liu)體管(guan)(guan)(guan)(guan),鍋爐管(guan)(guan)(guan)(guan)中已大量采用焊(han)管(guan)(guan)(guan)(guan)無縫(feng)化(hua)工藝(yi)。
45號無縫鋼管熱擴適用范圍
石(shi)油天然氣工(gong)(gong)業、化學工(gong)(gong)業、電力工(gong)(gong)業、給排水工(gong)(gong)程、城(cheng)市建設(she)等(deng),可(ke)燃性流體(ti)和(he)非可(ke)燃性流體(ti)輸送管道用和(he)建設(she)結構用。
執行標準
依(yi)據API SPEC 5L管(guan)線鋼規范(fan) GB/T9711.1 , SY/T5037石油天然氣(qi)輸送管(guan)道標準(zhun)生產和(he)檢驗
定尺長度
12000mm±500mm 采用(yong)自(zi)動埋弧焊工(gong)藝,螺旋(xuan),成型。
45號無縫鋼管熱擴規格
6 8 10 12 14 16 18 *1-3
20 22 24 25 28 30 32 *3-8
34 36 38 40 42 45 48 *3-12
50 51 54 57 60 63.5 *3-15
65 68 70 73 76 80 83 89 *3-25
95 102 108 114 121 127 *4-35
133 140 146 152 159 168 *4-50
178 180 194 203 219 245 *6-60
273 299 325 351 355 377 *6-90
402 406 426 450 457 465 *8-80
480 500 508 510 530 560 *8-80
580 610 630 660 680 720 *10-120