Ọkpụkpọ welded, nke a makwaara dị ka ọkpọkọ nchara welded, bụ n'ụzọ bụ isi ka e ji efere ígwè ma ọ bụ warara welded mgbe a kụchasịrị ya na akpụ.Ọkpụkpụ ígwè welded nwere uru nke usoro mmepụta dị mfe, nrụpụta mmepụta dị elu, ụdị dị iche iche na nkọwapụta, na ntinye ego na-erughị ala, mana ike ya n'ozuzu ya dị ala karịa nke ọkpọkọ nchara.Ebe ọ bụ na 1930s, na ngwa ngwa mmepe nke elu-edu warara mpịakọta mmepụta na ọganihu nke ịgbado ọkụ technology na nnyocha technology, àgwà nke welded onuete na-aga n'ihu na mma, iche iche na nkọwapụta nke welded ígwè ọkpọkọ na-abawanye, na enweghị nkebi ígwè. a gbanwewo ọkpọkọ n'ọtụtụ ebe.welded ígwè ọkpọkọ na-ekewa n'ime ogologo onuete welded ọkpọkọ na gburugburu welded ọkpọkọ dị ka ụdị weld.

一.Nhazi nke ọkpọkọ welded welded tubes

A na-ekewa ọkpọkọ welded dị ka usages ha si dị: a na-ekewakwa ha n'ime ọkpọkọ welded n'ozuzu, galvanizing welded ọkpọkọ, ikuku oxygen na-afụ welded ọkpọkọ, waya aka uwe, metric welded ọkpọkọ, idler ọkpọkọ, miri ọma mgbapụta ọkpọkọ, ụgbọala ọkpọkọ, transformer ọkpọkọ, welded mkpa. - ọkpọkọ ndị nwere mgbidi, ọkpọkọ na-adịghị mma welded na spiral welded pipes.

二.Ngwa nso nke ọkpọkọ welded

A na-eji ngwaahịa ọkpọkọ welded n'ọtụtụ ebe na igwe ọkụ, ụgbọ ala, ụlọ ụgbọ mmiri, na-ewu ọnụ ụzọ nhazi dị ọkụ na windo nchara, arịa ụlọ, igwe ọrụ ugbo dị iche iche, ihe ndozi, ọkpọkọ eriri waya, shelf dị elu, igbe na ihe ndị ọzọ. nwere ike izute ihe ndị ahịa chọrọ, enwere ike ịmepụta ọkpọkọ welded pụrụ iche dịka ihe onye ọrụ chọrọ.

三.ỤZỌ KWESỊRỊ ỊKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWASỊ AKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWASỊ  

Enwere usoro maka ịgbakọ ibu nke ọkpọkọ welded.

Theoretical arọ kwa mita nke ígwè ọkpọkọ (njupụta nke ígwè bụ 7.85 kg / dm3)

Usoro: W = 0.02466 (DS) S

N'ime usoro ngụkọ, usoro iwu nke W-steel pipe kwa mita, kg / m;

D - ọnụ ala mpụta nke ọkpọkọ ígwè, mm;

S - ọnụ ala mgbidi ọkpụrụkpụ nke ígwè ọkpọkọ, mm.

四.Nkọwa ọchịchị na ojiji nke ọkpọkọ welded

Ihe eji eme ihe na igwe igwe tube welded bụ efere ígwè ma ọ bụ warara ígwè.Enwere ike kewaa ya n'ime ọkụ welded ọkpọkọ, ọkụ eletrik welded ọkpọkọ na akpaka arc welded ọkpọkọ n'ihi dị iche iche ịgbado ọkụ technology.Dị ka dị iche iche ịgbado ọkụ ụdị, ọ nwere ike kewara n'ime ogologo onuete welded ọkpọkọ na gburugburu welded pipe.per njedebe udi, ọ nwere ike kewaa gburugburu welded ọkpọkọ na pụrụ iche ekara welded ọkpọkọ (square pipe flat pipe wdg) .Enwere ike kewaa ọkpọkọ welded n'ime ụdị ndị a maka ihe dị iche iche na ojiji ha:

1. GB/T3091-1993 (Galvanized Welded Steel Pipe for Low Pressure Fluid Conveyance)

A na-ejikarị eme ihe maka ibufe mmiri, gas, ikuku, mmanụ, kpo oku mmiri ọkụ ma ọ bụ uzuoku na ihe ndị ọzọ n'ozuzu ala nrụgide na ọkpọkọ ndị ọzọ.Ihe nnọchianya ya bụ ọkwa Q235A ígwè.

2. GB/T3092-1993 (Galvanized Welded Steel Pipe for Low Pressure Fluid Conveyance)

A na-ejikarị eme ihe maka ibufe mmiri, gas, ikuku, mmanụ, kpo oku mmiri ọkụ ma ọ bụ uzuoku na ihe ndị ọzọ n'ozuzu ala nrụgide na ọkpọkọ ndị ọzọ.Ihe nnọchianya ya bụ ígwè ọkwa Q235A.

3. GB/T 14291-1992 (Ọkpọkpọ Welded maka Ụgbọ njem Mmiri M)

A na-ejikarị ya maka nrụgide ikuku nke m, drainage, shaft gas drainage na ogologo nkedo welded ígwè ọkpọkọ.Ihe nnọchianya ya bụ ọkwa Q235A na B ígwè.GB/T 14980-1994 (Ala nnukwu dayameta Welded Steel Pipe maka Obere Nrụgide Mmiri).A na-eji ya eme ihe maka ibufe mmiri dị ala dị ka mmiri, nsị, gas, ikuku, uzuoku ọkụ na ihe ndị ọzọ.Ihe nnọchianya ya bụ ọkwa Q235A ígwè.

4. GB/T12770-1991 (Welded igwe anaghị agba nchara anwụrụ maka n'ibu Ọdịdị)

A na-eji ya eme ihe maka igwe, ụgbọ ala, igwe igwe, arịa ụlọ, ụlọ oriri na ọṅụṅụ na ụlọ oriri na ọṅụṅụ na akụkụ ndị ọzọ na-arụ ọrụ na akụkụ nhazi.Ihe nnọchi anya ya bụ 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, wdg.

GB/T12771-1991 (Pipu igwe anaghị agba nchara welded maka ụgbọ njem mmiri)

A na-ejikarị eme ihe maka ibuga mgbasa ozi na-emebi obere nrụgide.

Ihe nnọchiteanya bụ 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, wdg.