GB3087 Haʻahaʻa Pressure Boiler Seamless Steel Paipu

ʻO ka wehewehe pōkole:

GB 3087 20 # hoʻohana nui ʻia nā paipu kila maʻemaʻe no ka hana ʻana i nā pipeliners hoʻomehana, nā ipu, nā pipeliners o nā paila haʻahaʻa haʻahaʻa.


Huahana Huahana

Huahana Huahana

Hoʻolauna Huahana

Hana ʻia:ʻO ke kaʻina hana ʻole ,Hoʻopau wela a i ʻole ke anu.
Mānoanoa pā (WT):3.2 mm——21 mm.
Anawaena waho (OD):33 mm——323 mm.
Ka lōʻihi:6M a i ʻole ka lōʻihi i ʻōlelo ʻia e like me ka makemake.
Pau:Wehe Mahele, Wehe Beveled, Hehi.

ʻIke Hou

ʻO ke awa o ka lawe ʻana: Tianjin, Kina.
ʻŌlelo Uku:T / T, LC.
Delivery: 7-15 lā ma hope o ka uku.
Ili: E hoʻopaneʻe ʻia nā pahu (Ma waho wale nō) e pale i ka ʻōpala.
Hoailona: Standard + Steel Grade + Size + Heat No + Lot No.
Pūʻolo: Nā pūʻolo (hexagonal), nā pahu lāʻau, nā pahu (he kila/lāʻau) a i ʻole e like me ka makemake.

Hana Hana

(1) Keʻano o ka hanaʻana i ke kila
Hana ʻia ke kila e ka umu uila, ka mea hoʻololi oxygen a i ʻole ke ala ahi hāmama.

(2) Ke ano hana o ka paipu blank
Hiki ke hana ʻia ka pahu blank ma ke ʻano o ka ʻōwili wela, a hiki ke hoʻohana ʻia i ka billet hoʻolei mau a i ʻole ka ingot kila.

(3) Keʻano hana o ka paipu kila
Hiki ke hana ʻia ka paipu kila e ka ʻōwili wela (extrusion, expansion) a i ʻole ke kiʻi anu (rolling) i ke ʻano seamless.

Hōʻike Huahana

GB3087 Paipu kila maʻemaʻe ʻole3
GB3087 Paipu kila maʻemaʻe ʻole2
ʻO GB3087 Paipu kila ʻole1

Huina Kemika(%)

Kūlana

Papa kila

C

Si

Mn

S

P

Cr

GB 3087

10

0.07-0.13

0.17-0.37

0.35-0.65

0.02

0.025

≤0.15

20

0.17-0.23

0.17-0.37

0.35-0.65

0.02

0.025

≤0.25

Na Waiwai Mechanical

Kūlana

Paipu kila

Mānoanoa pā

Ka ikaika tensile

Hua ikaika

ʻO ka lōʻihi

(mm)

(MPa)

(MPa)

%

 

 

GB3087

10

/

335-475

195

24

20

<15

410-550

245

20

≥15

225

ʻAe ʻia ka ʻae ʻana o ka anawaena o waho a me ka mānoanoa o ka pā

ʻAno paipu kila

Anawaena waho(mm)

Hoʻomanawanui

maʻamau

holomua

ʻO ka paipu ʻōwili wela

OD

≤159

±10%(min±0.50mm)

±0.75%(min±0.40mm)

>159

±1.0%

±0.90%

WT

≤20

+15.0%(min+0.45mm)
-12.5% ​​-0.35mm)

±10%(min±0.30mm)

>20

±12.5%

±10%

OD≥351

±15%

Paipu huki anu

OD

10~30

±0.40mm

±0.20mm

>30~50

±0.45mm

±0.25mm

>50

±1.0%

±0.75%

WT

1.5~3.0

+15%
-10%

±10%

>3.0

+12.5%
-10%

±10%

Nā hoʻāʻo

(1) Ho'āʻo Hydraulic
Pono e ho'āʻoʻia ka paipu kila i ka hydraulically.

(2) Ho'āʻo palahalaha
ʻO nā paipu kila me ke anawaena o waho ma mua o 22mm a 400mm a me ka mānoanoa o ka pā ʻaʻole i ʻoi aku ma mua o 10mm e hoʻokō ʻia i kahi hoʻāʻo palahalaha.

(3) Ho'āʻo ʻāʻā
ʻO ka paipu kila me ka mānoanoa o ka paia ʻaʻole iʻoi aku ma mua o 8 mm hiki ke hoʻokō ʻia i kahi hoʻāʻo flare me kahi taper luna o 30 °, 45 ° a i ʻole 60 °.

(4) Ho'āʻo kūlou
ʻO nā paipu kila me ke anawaena o waho ʻaʻole iʻoi aku ma mua o 22 mm e hoʻokau ʻia i ka hoʻāʻo ʻana.

(5) Ka ho'āʻo hoʻomakeʻole
E like me nā koi o ka mea kūʻai aku, e hoʻāʻo ʻia ka paipu kila i ka ultrasonically.

ʻAno o ka ʻili

ʻAʻohe māwae o ka paipu kila i loko a me waho, ʻāʻī, ʻāʻī a i ʻole ka hoʻokaʻawale ʻana, a pono e hoʻopau loa ʻia kēia mau hemahema.ʻAʻole ʻoi aku ka hohonu o ka hoʻomaʻemaʻe ma mua o ka ʻae ʻole ʻana o ka mānoanoa o ka paia nominal, a ʻo ka mānoanoa maoli o ka pā ma ka wahi hoʻomaʻemaʻe ʻaʻole e emi iho ma mua o ka palena iki i ʻae ʻia e ka pā.

ʻO ka Packaging, Marking and Quality Directions

ʻO ka hōʻailona, ​​​​ka hōʻailona a me nā kikoʻī maikaʻi o nā paipu kila e hoʻokō me nā ʻōlelo o GB/T 2102.


  • Mua:
  • Aʻe:

  • Nā Huahana Pili