API 5L Ọkwa B Carbon Steel Pipe Line Pipe

Nkọwa dị mkpirikpi:

API 5L Ọkwa B ígwè ọkpọkọ bụ ọkpọkọ ọkwa maka njem mmanụ na gas.A makwaara ya dị ka ọkpọkọ L245, zoro aka na ISO 3183, aha ya bụ ike mkpụrụ kacha nta nke 245 Mpa (355,000 Psi).

Ngwa dakọtara ASTM A106 B ma ọ bụ ASTM A53 B nwere uru yiri ya na ngwakọta kemịkalụ, akụrụngwa akụrụngwa na ngwa.

API 5L B na-ekpuchi PSL1, PSL2, ọrụ utoojoo maka ọdụ ụgbọ mmiri na ọdụ ụgbọ mmiri.Ụdị mmepụta ihe gụnyere enweghị nkebi na welded.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Okwu Mmalite ngwaahịa

PSL1, PSL2 na ụdị mgbasa ozi acidic.

A na-ejikarị PSL1 eme ihe, nke dabara na ASTM A106 B na A53 B.

PSL2 bụ ọkpọkọ ọkwa ọkwa dị elu nwere ihe siri ike maka ike kemịkalụ na igwe.PSL2 chọrọ ụzọ nnwale ndị ọzọ dị ka nnwale na-adịghị emebi emebi, nnwale mmetụta CVN, DWT, wdg.

API 5L B PSL2 bụ API 5L BN/Q/R/M nọchiri anya ya.

Usoro acidic: Maka pipeline acid dị ka gburugburu H2S, ihe pipeline nwere ihe a na-ahụkarị maka ihe ndị dị ka carbon, phosphorus na sọlfọ.Ọkọlọtọ ntụaka NACE MR0175.

Ngosipụta ngwaahịa

Leta Suffix

Akwụkwọ ozi suffix na-akọwapụta ọnọdụ nnyefe pipeline:

R: Mgbe ị na-atụgharị.

N: normalizing rolling, normalize forming, normalizing.

Ajụjụ: iwe iwe na imenyụ.

M: Thermomechanical rolling ma ọ bụ akpụ ọkụ ọkụ.

S: Onye na-agba mmiri nwere tubing PSL2 maka NS, QS, MS, eg API 5L Grade B NS, API 5L B QS.

Ụdị enweghị nkebi na welded (ERW, LSAW, SSAW/HSAW).

Ụdị ngwaahịa

Ụdị enweghị nkebi:gụnyere ọkpọkọ na-ekpo ọkụ na-enweghị nkebi 3 sentimita, ọkpọkọ na-enweghị oyi na-atụ n'okpuru inch 3.

Ụdị Welding ERW:Mgbado ọkụ na-eguzogide, dabara maka ọkpọkọ ruo sentimita 24.

Ụdị ịgbado ọkụ n'ime mmiri kwụ ọtọ:Ogologo ịgbado ọkụ, nke dabara adaba maka ọkpọkọ nwere dayameta mpụta nke 20 sentimita ruo 48 sentimita asatọ.A makwaara LSAW dị ka JCOE, nke pụtara ime udi site na ụdị J, ụdị C, ụdị O, na mgbe ahụ ọkpọkọ gbasasịrị oyi.

Ụdị SSAW/HSAW:Spiral Submerged Arc Welding ma ọ bụ Spiral Saw maka ọkpọkọ ruo 100" OD.

API 5L Grade B, ASTM A106 Grade B na A53 Grade B, ihe atọ ndị a bụ ihe ndị a na-ejikarị na-arụ ọrụ pipeline ma ọ bụ mmanụ na gas na ụgbọ njem mmiri.

ASTM 106 Pipe na-ezo aka na ọkpọkọ carbon ígwè na-ekpo ọkụ ma ọ bụ oyi kpọnwụrụ akpọnwụ.

ASTM A53 ọkpọkọ gụnyere ọkpọkọ nchara welded na enweghị nkebi nke carbon ojii, na n'ọnọdụ ụfọdụ galvanized na-ekpo ọkụ (galvanized).