API 5L Steel Line Pipe Plate

Tsanangudzo Pfupi

Pipeline simbi imhando yesimbi ndiro inoshandiswa papombi, inonyanya kushandiswa mukugadzira pombi mapaipi emafuta uye gasi rechisikigo, pamwe chete nemarasha uye zvinhu zvekuvaka.Iyo simbi haingodi yakakwira yekumanikidza simba, asi zvakare inoda yakakwira yakaderera tembiricha kuoma uye yakanakisa weldability.

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Product Sumo

Yemazuva ano pombi simbi isimbi yakaderera-kabhoni kana ultra-yakaderera-kabhoni microalloyed simbi, inova chigadzirwa chine hunyanzvi hwekuita uye kukosha kwakawedzerwa.Zvizhinji zvekubudirira kwehunyanzvi hutsva mumunda wemetallurgical mumakore makumi maviri apfuura zvakashandiswa pakugadzirwa kwesimbi yepombi.Maitiro ekusimudzira einjiniya yepombi yakakura pombi dhayamita, yakakwira-kumanikidza hupfumi hwekufambisa gasi, kutonhora kwakanyanya, nharaunda yekushandiswa kwecorrosion, uye pasi pegungwa pombi madziro.Naizvozvo, yemazuva ano pombi simbi inofanirwa kuve nesimba rakawanda, yakaderera Bauschinger mhedzisiro, yakanyanya kuomarara uye brittleness kuramba, yakaderera weld kabhoni yemukati uye yakanaka weldability, uye kuramba kune HIC uye H2S corrosion.

Pipeline simbi ndiro inoshandiswa kugadzira mapaipi akaiswa welded, nekuti mapaipi asina musono anogadzirwa neraundi bar, kwete marata esimbi.Yepakati gobvu ndiro inowanzo shandiswa kugadzira gobvu madziro akatwasuka seam welded pombi, uye coil simbi inoshandiswa kugadzira yemagetsi resistane welded (ERW) pombi uye spirally submerged arc welded (SSAW) pombi.Mazuvano, vatengi vakawandisa vanoda pombi yesimbi simbi kuti igadzire pombi dzemitsetse nekuti marata esimbi anogona kushandiswa kugadzira mapaipi makuru edhayamita, nekuwedzera, mutengo wemapombi akasungwa kazhinji wakadzikira pane wepombi dzisina musono.

Mutsara pombi simbi ndiro chinhu chakakosha pakugadzirwa kweERW mutsetse pombi, LSAW mutsetse pombi, SSAW mutsetse pombi, ayo anoshandiswa mukugadzira pombi mutsetse mukutakura oiri, gasi uye mvura, inogona kushandiswa mukugadzira kumanikidza fluid kutapurirana kuvaka.

Kunyanya kuderera tembiricha yeArctic, kudzvinyirira kwakanyanya mumvura yakadzika yegungwa, asidhi midhiya: kunyangwe mamiriro akanyanya kutyisa haana mhedzisiro yakaipa pamahwendefa edu emutsetse.Linepipe plates inokwanisa kushanda pakadzika kusvika 2,800 metres pazasi pegungwa.

Isu tinopawo roll-bonded clad offshore structural simbi ndiro ine corrosion-resistant cladding kune yakanyanya kudiwa mukushandisa sour-gasi.Senyanzvi mune yazvino thermo mechanical rolling tekinoroji ine kukurumidza kutonhora, isu tiri pakati pevatungamiriri veindasitiri yepasirese.

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Product Parameters

API 5L Giredhi	Goho Simba	Tensile Simba	Yield to Tensile Ratio	Elongation
	min.	min.	(max.)	min.
	(ksi)	(ksi)		%
A	30	48	0.93	28
B	35	60	0.93	23
X42	42	60	0.93	23
X46	46	63	0.93	22
X52	52	66	0.93	21
X56	56	71	0.93	19
X60	60	75	0.93	19
X65	65	77	0.93	18
X70	70	82	0.93	17
X80	80	90	0.93	16

Equivalent MaGrade

Standard

Giredhi

API 5L

A25

Gr A

GrB

X42

X46

X52

X56

X60

X65

X70

GB/T 9711

ISO 3183

L175

L210

L245

L290

L320

L360

L390

L415

L450

L485

Delivery Condition

PSL	DELIVERY CONDITION	PIPE giredhi/ simbi giredhi (a), (b)
PSL1	As-akakungurutswa, normalizing akakungurutswa, normalized kana normalizing kuumbwa	L175 kana A25, L175P kana A25P, L210 kana A
PSL1	Se-yakakungururwa, yakajairika yakakungurutswa, thermomechanical yakakungurutswa,thermomechanical yakaumbwa, normalizing yakagadzirwa, yakajairika,normalized and tempered;kana, kana kwabvumwa, kudzima uyeyakatsamwira SMLS pombi chete.	L245 kana B
PS1	Se-yakakungururwa, yakajairika yakakungurutswa, thermomechanical yakakungurutswa,thermomechanical yakaumbwa, normalizing yakagadzirwa, yakajairika,normalized uye kushatirwa kana kudzimwa uye kudzikama.	L290 kana X42, L320 kana X46, L360 kana X52,L390 kana X56, L415 kana X60, L450 kana X65, L485 kana X70
PSL1	As-akakungurutswa	L245R kana BR, L290R kana X42R
PSL2	Normalizing akakungurutswa, normalizing kuumbwa, normalized kananormalized and tempered	L245N kana BN, L290N kana X42N, L320N kana X46N,L360N kana X52N, L390N kana X56N, L415N kana X60N
PSL2	Kudzimwa uye kushatirwa	L245Q kana BQ, L290Q kana X42Q, L320Q kana X46Q,L360Q kana X52Q, L390Q kana X56Q, L415Q kana X60Q,L450Q kana X65Q, L485Q kana X70Q, L555Q kana X80Q,L625Q kana X90Q (c) , L690Q kana X100Q (c)
PSL2	Thermomechanical yakakungurutswa kana thermomechanical yakaumbwa	L245M kana BM, L290M kana X42M, L320M kana X46M,L360M kana X52M, L390M kana X56M, L415M kana X60M,L450M kana X65M, L485M kana X70M,L555M kana X80M
PSL2	Thermomechanical yakakungurutswa	L625M kana X90M, L690M kana X100M, L830M kana X120M