Api 5l Line Pipes Ọkwa B ruo X70 Od Site na 219mm ruo 3500mm

Nkọwa dị mkpirikpi:

Nkọwapụta a bụ ịnye ọkọlọtọ nrụpụta maka usoro pipeline iji bufee mmiri, gas na mmanụ n'ime ụlọ ọrụ mmanụ na gas.

Enwere ọkwa nkọwapụta ngwaahịa abụọ, PSL 1 na PSL 2, PSL 2 nwere ihe achọrọ maka carbon dakọtara, ịdị ike notch, ike mkpụrụ kacha na ike tensile.

Ọkwa B, X42, X46, X52, X56, X60, X65, X70 na X80.

Cangzhou Spiral Steel pipes Group co., Ltd na-enye SAWH ọkpọkọ na-ekpuchi ọkwa sitere na API B ruo X70, anyị nwetara akwụkwọ API 5L afọ gara aga ma ugbu a, ọkpọkọ ahịrị anyị na-ejikarị CNPC, CPECC maka ọrụ pipeline ha.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Njirimara Mechanical nke ọkpọkọ SSAW

ọkwa ígwè

ike mkpụrụ kacha nta
Mpa

ike tensile kacha nta
Mpa

Mgbatị kacha nta
%

B

245

415

23

X42

290

415

23

X46

320

435

22

X52

360

460

21

X56

390

490

19

X60

415

520

18

X65

450

535

18

X70

485

570

17

Ngwakọta kemịkalụ nke ọkpọkọ SSAW

ọkwa ígwè

C

Mn

P

S

V+Nb+Ti

Nke kacha %

Nke kacha %

Nke kacha %

Nke kacha %

Nke kacha %

B

0.26

1.2

0.03

0.03

0.15

X42

0.26

1.3

0.03

0.03

0.15

X46

0.26

1.4

0.03

0.03

0.15

X52

0.26

1.4

0.03

0.03

0.15

X56

0.26

1.4

0.03

0.03

0.15

X60

0.26

1.4

0.03

0.03

0.15

X65

0.26

1.45

0.03

0.03

0.15

X70

0.26

1.65

0.03

0.03

0.15

Nkwekọrịta geometric nke ọkpọkọ SSAW

Nkwenye geometric

n'èzí dayameta

Ọkpụrụkpụ mgbidi

ogologo

pụọ-na okirikiri

uka

Ogologo bead weld kacha

D

T

≤1422mm

1422 mm

15mm

≥15mm

ọkpọkọ ogologo 1.5m

ogologo n'uju

ọkpọkọ ahu

ngwụcha ọkpọkọ

T≤13mm

T -13 mm

± 0.5%
≤4mm

dị ka e kwetara

± 10%

± 1.5mm

3.2mm

0.2% L

0.020D

0.015D

'+10%
-3.5%

3.5mm

4.8mm

Nnwale Hydrostatic

ngwaahịa-nkọwa1

Ọkpụkpọ ahụ ga-eguzogide ule hydrostatic na-enweghị nkwụsị site na eriri weld ma ọ bụ ahụ ọkpọkọ
Ọ dịghị mkpa ka a nwale njikọ njikọ mmiri n'ụzọ mmiri, ma ọ bụrụhaala na akụkụ nke ọkpọkọ ejiri mee akara maka njikọ ahụ ejirila nke ọma nwalee nke ọma na mmiri tupu arụ ọrụ njikọ.

Nchọpụta:
Maka ọkpọkọ PSL 1, onye nrụpụta ga-eguzobe ma soro usoro edepụtara maka idowe:
Ihe njirimara okpomọkụ ruo mgbe a na-eme nyocha chromical ọ bụla yana nkwenye na ihe ndị a chọrọ ka egosipụtara
Nnwale-otu ahụ ruo mgbe a ga-eme nnwale igwe ọ bụla metụtara ya wee gosi nkwekọ na ihe ndị akọwapụtara
Maka ọkpọkọ PSL 2, onye nrụpụta ga-eguzobe ma soro usoro ederede maka idobe njirimara okpomọkụ na njirimara ule-ntụpọ maka ọkpọkọ dị otú ahụ.Usoro ndị dị otú ahụ ga-enye ụzọ maka ịchọta ogologo ọkpọkọ ọ bụla na ngalaba nnwale kwesịrị ekwesị yana nsonaazụ ule kemịkal metụtara ya.


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