welded pipe, tun mo bi welded irin pipe, ti wa ni besikale ṣe ti irin awo tabi rinhoho welded lẹhin decoiling ati lara.Paipu irin welded ni awọn anfani ti ilana iṣelọpọ ti o rọrun, ṣiṣe iṣelọpọ giga, awọn oriṣiriṣi diẹ sii ati awọn pato, ati idoko-owo ohun elo ti o dinku, ṣugbọn agbara gbogbogbo rẹ kere ju ti paipu irin alailẹgbẹ.Lati awọn ọdun 1930, pẹlu idagbasoke iyara ti iṣelọpọ ṣiṣan ti o ni didara giga ati ilọsiwaju ti imọ-ẹrọ alurinmorin ati imọ-ẹrọ ayewo, didara okun welded ti ni ilọsiwaju nigbagbogbo, ọpọlọpọ ati sipesifikesonu ti paipu irin welded ti n pọ si, ati irin alailẹgbẹ. paipu ti rọpo ni awọn aaye pupọ ati siwaju sii.Welded, irin oniho ti wa ni pin si taara pelu welded paipu ati ajija welded paipu ni ibamu si awọn fọọmu ti weld.

一.Isọri ti Welded Pipes Welded tubes

Awọn paipu welded ti wa ni ipin gẹgẹbi awọn lilo wọn: wọn tun pin si awọn paipu welded gbogbogbo, galvanizing welded pipes, atẹgun fifun welded pipes, awọn apa okun waya, awọn paipu welded metric, awọn paipu alaiṣe, awọn paipu fifa daradara jinlẹ, awọn paipu mọto ayọkẹlẹ, awọn paipu ẹrọ iyipada, tinrin welded -olodi oniho, welded ajeji oniho ati ajija welded oniho.

二.Ohun elo Ibiti Welded Pipe

Awọn ọja paipu welded ni lilo pupọ ni igbomikana, ọkọ ayọkẹlẹ, ile ọkọ oju omi, ile awọn ilẹkun igbekalẹ iwuwo ina ati awọn irin windows, ohun-ọṣọ, ọpọlọpọ awọn ẹrọ ogbin, scaffolding, pipe okun waya, awọn selifu giga, awọn apoti ati bẹbẹ lọ nipasẹ eyiti iwọnyi le pade awọn ibeere alabara, paipu welded pataki ajeji le ṣe ni ibamu si awọn ibeere olumulo.

三.Ọ̀nà Ìṣirò TÚRÍTÌ TI PIPE WELDED  

Awọn agbekalẹ wa fun ṣiṣe iṣiro iwuwo ti paipu welded.

Iwọn imọ-jinlẹ fun mita ti paipu irin (iwuwo ti irin jẹ 7.85 kg/dm3)

Fọọmu: W = 0.02466 (DS) S

Ninu agbekalẹ iṣiro, iwuwo imọ-jinlẹ ti paipu W-irin fun mita kan, kg / m;

D - Iwọn ila opin ti ita ti paipu irin, mm;

S - sisanra odi ipin ti paipu irin, mm.

四.Osise Definition ati Industrial Lilo ti Welded Pipe

Awọn ohun elo aise ti a lo lori ọlọ tube welded jẹ awo irin tabi ṣiṣan irin.O le wa ni pin si ileru welded paipu, ina welded paipu ati ki o laifọwọyi aaki welded paipu nitori ti o yatọ si imo alurinmorin.Ni ibamu si awọn ti o yatọ alurinmorin fọọmu, o le ti wa ni pin si ni gígùn pelu welded pipe ati ajija welded pipe.per awọn opin apẹrẹ, o le ti wa ni pin si yika welded pipe ati ki o pataki-sókè welded pipe (square pipe alapin paipu ati be be lo) .Awọn paipu welded le pin si awọn ẹka wọnyi fun oriṣiriṣi awọn ohun elo ati lilo wọn:

1. GB/T3091-1993 (Galvanized Welded Steel Paipu fun Imudara Omi Titẹ Kekere)

Ti a lo ni akọkọ fun gbigbe omi, gaasi, afẹfẹ, epo, omi gbigbona alapapo tabi nya si ati awọn ṣiṣan titẹ kekere gbogbogbo miiran ati awọn paipu idi miiran.Ohun elo aṣoju rẹ jẹ Q235A, irin.

2. GB/T3092-1993 (Galvanized Welded Steel Paipu fun Imudaniloju Omi Ipa Kekere)

Ti a lo ni akọkọ fun gbigbe omi, gaasi, afẹfẹ, epo, omi gbigbona alapapo tabi nya si ati awọn ṣiṣan titẹ kekere gbogbogbo miiran ati awọn paipu idi miiran.Ohun elo aṣoju rẹ jẹ irin ipele Q235A.

3. GB/T 14291-1992 (Welded Pipe fun Mine Fluid Transport)

Ni akọkọ ti a lo fun titẹ afẹfẹ ti mi, idominugere, idominugere gaasi ọpa pẹlu paipu irin welded taara.Ohun elo aṣoju rẹ jẹ ipele Q235A ati irin B.GB/T 14980-1994 (Large Dimeter Welded Steel Pipe for Low Tit Fluid Conveyance).O jẹ lilo ni akọkọ fun gbigbe awọn ṣiṣan titẹ kekere bi omi, omi eeri, gaasi, afẹfẹ, nya alapapo ati awọn idi miiran.Ohun elo aṣoju rẹ jẹ Q235A, irin.

4. GB/T12770-1991 (Welded alagbara, irin paipu fun darí be)

Ni akọkọ ti a lo fun ẹrọ, awọn ọkọ ayọkẹlẹ, awọn kẹkẹ, aga, Hotẹẹli ati ohun ọṣọ hotẹẹli ati awọn ẹya ẹrọ miiran ati awọn ẹya igbekale.Awọn ohun elo aṣoju rẹ jẹ 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, ati bẹbẹ lọ.

GB/T12771-1991 (Welded Alagbara, Irin Pipe fun ito Transport)

Ti a lo ni akọkọ fun gbigbe media ipata kekere titẹ.

Awọn ohun elo aṣoju jẹ 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, ati bẹbẹ lọ.