Paipu kila huila ʻia no ka ikaika like ʻole a me ka maikaʻi ʻo ASTM A252

ʻO ka wehewehe pōkole:

ʻO kēia kikoʻī e hāʻawi i ka maʻamau hana no ka ʻōnaehana pipeline e lawe i ka wai, ke kinoea a me ka aila i loko o nā ʻoihana aila a me nā ʻoihana kūlohelohe.

ʻElua mau pae kikoʻī o ka huahana, PSL 1 a me PSL 2, PSL 2 nā koi koi no ka carbon equivalent, notch toughness, maximum yield strength and tensile strength.


Huahana Huahana

Huahana Huahana

Hoʻolauna:

I ka wā e pili ana i ka hoʻomohala ʻana i nā ʻōnaehana, ʻo nā ʻōnaehana pipeline kahi mea koʻikoʻi e hana nui i nā ʻoihana like ʻole.ʻO ka hoʻohana ʻana i nā mea pono a me nā ʻenehana i ka hana paipu e hōʻoia i ka lōʻihi, ka ikaika a me ka hilinaʻi, apaipu kila wiliwili spiral ASTM A252aia ma ke alo o kēia holomua ʻenehana.Ma kēia moʻomanaʻo, e nānā pono mākou i nā ʻano maikaʻi a me nā pono o kēia mau paipu kupaianaha i lilo i mea nui i nā hana kūkulu hou.

Na Pono Mechanical o ka Pipe SSAW

kila kila

ikaika hua liʻiliʻi
Mpa

ka palena iki tensile ikaika
Mpa

ʻO ka lōʻihi liʻiliʻi
%

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

Ka Hana Kemika o na Paipu SSAW

kila kila

C

Mn

P

S

V+Nb+Ti

 

Max %

Max %

Max %

Max %

Max %

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

ʻO ka hoʻomanawanui Geometric o nā paipu SSAW

Nā hoʻomanawanui geometric

anawaena waho

Mānoanoa pā

pololei

waho o ka poepoe

nuipaʻa

ʻO ke kiʻekiʻe o ka weld bead kiʻekiʻe

D

T

             

≤1422mm

>1422mm

<15mm

≥15mm

ka hopena paipu 1.5m

piha loa

kino paipu

paipu hope

 

T≤13mm

T>13mm

±0.5%
≤4mm

e like me ka aelike

± 10%

±1.5mm

3.2mm

0.2% L

0.020D

0.015D

'+10%
-3.5%

3.5mm

4.8mm

Hoʻāʻo Hydrostatic

wehewehe huahana1

Ka ikaika ʻole a me ka lōʻihi:

ASTM A252paipu kila wiliwili ʻiahana ʻia me ke kila kiʻekiʻe e kū ana i nā kūlana ASTM A252.ʻO ka maʻamau e hōʻoiaʻiʻo i ka ikaika a me ka lōʻihi o nā paipu, e kūpono iā lākou no nā ʻano noi like ʻole me ka lawe ʻana i ka aila a me ke kinoea, nā kumu piling a me nā ʻōnaehana wai.Hoʻonui ʻia nā welds spiral i ka ikaika a me ke kūʻē ʻana o nā paipu i nā ikaika o waho, e hōʻoiaʻiʻo ana hiki iā lākou ke kūpaʻa i nā kaiapuni kiʻekiʻe a me nā kūlana ʻino.

ʻO ka maikaʻi maikaʻi loa a me ke kumukūʻai:

ʻO kekahi o nā pono nui o ka ASTM A252 spiral welded steel pipe ʻo ia kona ʻoi aku ka maikaʻi o ka hoʻokomo ʻana a me ka hoʻohana ʻana.He maʻalahi kona hoʻolālā spiral i ka lawe ʻana a me ka mālama ʻana ma muli o kona kaumaha māmā i hoʻohālikelike ʻia me nā mea paipu ʻē aʻe.Hoʻohui ʻia, ʻo ka maʻalahi o kēia mau paipu e hoʻomaʻamaʻa i ka piʻi ʻana, e hōʻemi ana i nā koi no nā pono a me nā hono.ʻAʻole wale kēia e mālama i ka manawa, hoʻemi nui hoʻi ia i nā kumukūʻai hoʻonohonoho, e hana ana i kēia ʻano ductwork i kumu kūʻai kūpono no nā ʻano papahana like ʻole.

Helu wiliwili Paipu Spiral Ka Loihi

Hoʻonui i ka pale ʻana i ka corrosion:

He pilikia nui ka corrosion i nā ʻōnaehana paipu, ʻoi aku hoʻi i nā ʻoihana e mālama i nā kemika a me nā mea ʻino.ʻO ka maʻamau ASTM A252 e hōʻoia i ka hōʻike ʻana o nā paipu kila welded spiral i ke kūpaʻa maikaʻi loa.Loaʻa i kēia mau paipu nā pale pale e like me ka epoxy a i ʻole ka zinc e hana i mea e pale ai i nā mea hana corrosive, e hoʻolōʻihi i ko lākou ola lawelawe a hōʻemi i nā kumukūʻai mālama.He mea maikaʻi loa kēia hiʻohiʻona ma lalo o ka ʻāina a i ʻole nā ​​​​mea hoʻohana i waho kahi e ʻike ʻia ai nā paipu i nā kūlana kūlohelohe koʻikoʻi.

ʻoi aku ka nui o ka lawe ʻana:

ʻO kekahi hiʻohiʻona koʻikoʻi o ka ASTM A252 spiral welded steel pipe ʻo ia kona kūlana haʻahaʻa haʻahaʻa maikaʻi loa.ʻO ka ʻenehana hoʻoheheʻe spiral i hoʻohana ʻia i ke kaʻina hana e hoʻonui ai i ka ikaika o ka paipu a me ka hiki ke kū i nā ukana kaumaha.Inā hoʻohana ʻia i ke kūkulu ʻana i ke alahaka, nā kumu hoʻokumu a i ʻole nā ​​​​paipu lalo, hāʻawi kēia mau paipu i ka kūpaʻa o ke kūkulu ʻana, e hōʻemi ana i ka hopena o ka hāʻule ʻole a me ka hōʻoia ʻana i ka palekana lōʻihi o nā ʻano papahana like ʻole.

Hoʻomau kaiapuni:

I ka wā e pili ana ka mālama ʻana i ke kaiapuni, he mea koʻikoʻi ke koho ʻana i nā mea kūkulu hale kūpono.Hoʻopili ʻo Spiral welded steel pipe ASTM A252 i nā hana kūkulu hale hoʻomau ma muli o kona lōʻihi a me ka hana hou.He lōʻihi ke ola o nā paipu a hiki ke hoʻohana hou ʻia i ka hopena o ko lākou ola ʻana, e hōʻemi ana i ka pono no ka ʻili ʻana i nā mea hou me ka hoʻemi ʻana i nā ʻōpala a me nā kalapona.

I ka hopena:

Ua hoʻololi hou ʻo Spiral welded steel pipe ASTM A252 i ka ʻoihana paipu me kona ikaika kiʻekiʻe, kūpaʻa a me ka uku-pono.Hoʻokō a ʻoi paha kēia mau paipu i nā kūlana o ka ʻoihana, e hoʻolilo iā lākou i koho mua ma nā ʻoihana lehulehu.ʻO kona kūlana haʻahaʻa haʻahaʻa maikaʻi loa a me ka pale ʻana i ka corrosion e hōʻoiaʻiʻo i ka hoʻomohala mau ʻana o nā papahana ʻoihana a kōkua i ka holomua o ka ʻoihana honua.Ma ka hoʻohana ʻana i kēia mau paipu, hiki i nā papahana kūkulu ke hoʻonui i ka pono, hōʻemi i nā kumukūʻai a hōʻoia i ka hilinaʻi lōʻihi i ka wā e pili ana i ka hoʻomau ʻana i ke kaiapuni.


  • Mua:
  • Aʻe:

  • E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou