N'ikwu okwu n'ozuzu, API 5L na-ezo aka na API 5L line pipe, nke na-esi na ala mmanụ, gas, mmiri, na-ebuga site na pipeline gaa na ụlọ ọrụ mmanụ na gas.

dị ka mmepụta usoro na tube oge ntoju ji dị iche iche shapes, api 5l nwere ike kewaa n'ime api 5l enweghị nkebi ígwè ọkpọkọ na api welded ígwè ọkpọkọ, n'etiti ojiji nke welded ígwè ọkpọkọ bụ karịa enweghị nkebi ígwè ọkpọkọ.

Line ọkpọkọ ọkwa na chemical components

Enwere ike kewaa API 5L n'ime API 5L PSL 1 na API 5L PSL 2, gụnyere API 5L PSL 1 larịị na edemede ndị a bụ: A, B, x42, x46, x52, x56, x60, x65, x70, API 5L PSL 2 larịị. na udi a bu B, x42, x46, x52, x56, x60, x65, xx70, x80.na elu larịị na ike n'ibu Njirimara.

Ngwa: eji maka ụlọ ọrụ mmanụ na gas, gas, mmiri, njem mmanụ.

API 5L PSL 1 Ngwakọta kemịkalụ na ihe eji arụ ọrụ

Steel ọkwa C(max) Mn(max) P(max) S(max) Ike tensile ike mpụta

B 0.28 1.20 0.030 0.030 414 241

X42 0.28 1.30 0.030 0.030 414 290

X46 0.28 1.40 0.030 0.030 434 317

X52 0.28 1.40 0.030 0.030 455 359

X56 0.28 1.40 0.030 0.030 490 386

X60 0.28 1.40 0.030 0.030 517 414

X65 0.28 1.40 0.030 0.030 531 448

X70 0.28 1.40 0.030 0.030 565 483

API 5L PSL 2 Ngwakọta kemịkalụ na ihe eji arụ ọrụ

Steel ọkwa C(max) Mn(max) P(max) S(max) Ike tensile ike mpụta

B 0.24 1.20 0.025 0.015 414-758 241-758

X42 0.24 1.30 0.025 0.015 414-758 290-758

X46 0.24 1.40 0.025 0.015 434-758 317-758

X52 0.24 1.40 0.025 0.015 455-758 359-758

X56 0.24 1.40 0.025 0.015 490-758 386-758

X60 0.24 1.40 0.025 0.015 517-758 414-758

X65 0.24 1.40 0.025 0.015 531-758 448-758

X70 0.24 1.40 0.025 0.015 565-758 483-758

API SPEC 5L Line Pipe

API SPEC 5L line pipe mmepụta usoro na-ekewa n'ime enweghị nkebi ígwè ọkpọkọ, ERW ígwè anwụrụ, submerged arc welded anwụrụ.Ma isi ojiji nke enweghị nkebi ígwè ọkpọkọ (The Seamless), ogologo nkebi elu ugboro na-eguzogide ịgbado ọkụ ọkpọkọ (Electric-Resistance Arc Welding, abbreviated dị ka ERW), LSAW (Longigudinally Submerged Arc Welding short LSAW), spiral submerged arc welded ọkpọkọ (Spirally). Arc Welding, nke dị mkpụmkpụ nke SSAW) anọ.

Ọkụ LSAW kewara n'ime UO (usoro nhazi nke UOE), RB (RBE), JCO (JCOE) na ụdị ndị ọzọ.Steel efere na ịkpụzi ga-enwere n'ime a U-ediri, wee pịa n'ime O-, na n'ime na n'èzí submerged arc ịgbado ọkụ, mgbe ịgbado ọkụ, na-emekarị na njedebe nke zuru ogologo nke expander (Na-amụba) na-akpọ. UOE ọkpọkọ welded, anaghị agbasawanye nke a maara dị ka ọkpọkọ UO.Nrụgide ígwè efere mpịakọta ekwe (Roll ekwe), na n'ime na n'èzí submerged arc ịgbado ọkụ, mgbe ịgbado ọkụ, ịgbasa RBE ọkpọkọ, ma ọ bụ na-agbasaghị RB ọkpọkọ.Akpụzi efere dị ka ụdị JOC-iji ịgbasa JCOE ọkpọkọ ma ọ bụ na-agbasaghị JCO ọkpọkọ mgbe ịgbado ọkụ.Ọkụ LSAW dị n'elu, ojiji nke nkịtị nke UOE.The elu ugboro na-eguzogide ịgbado ọkụ tube ERW tube ẹmbrayo site akpụkpọ mmetụta na nso mmetụta na elu-ugboro ugbu a na nsọtụ nke gbazee, na mgbe ahụ afanyekwa rollers n'okpuru nrụgide ịgbado ọkụ, nke e ji enweghị mpụga filler metal, okpomọkụ emetụta mpaghara, elu. mmepụta arụmọrụ.Spiral seam pipe SSAW maka ogologo ahịrị ahịrị ogologo nwere ogologo akụkọ ihe mere eme, a na-ejikarị pipeline na China eme ihe.