GB3087 Low Pressure Boiler Seamless Steel Pipe

Kufotokozera Kwachidule:

GB 3087 20 # machubu opanda zitsulo amagwiritsidwa ntchito kwambiri popanga mapaipi otenthetsera, zotengera, mapaipi otenthetsera a ma boilers otsika apakati.


Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Chiyambi cha Zamalonda

Kupanga:Njira yopanda msoko, Yotentha-yomaliza kapena Yozizira-yomaliza.
Makulidwe a khoma (WT):3.2 mm——21 mm.
M'mimba mwake (OD):33 mm——323 mm.
Utali:6M kapena kutalika kwake komwe kumafunikira.
Kutha:Mapeto Oyera, Mapeto A Beveled, Opondapo.

Zowonjezera Zambiri

Port of Shipment: Tianjin, China.
Malipiro: T / T, LC.
Kutumiza: 7-15 masiku pambuyo malipiro.
Pamwamba: Machubu adzapakidwa vanishi (Kunja kokha) kuteteza dzimbiri.
Kulemba: Standard + Steel Giredi + Kukula + Kutentha No + Loti No.
Phukusi: Mitolo (ma hexagonal), Mabokosi Amatabwa, Mabokosi (zitsulo / matabwa) kapena pakufunika.

Njira Zopangira

(1) Njira yopangira zitsulo
Zitsulo zimapangidwa ndi ng'anjo yamagetsi, chosinthira oxygen kapena njira yotseguka yamoto.

(2) Njira yopanga chubu yopanda kanthu
Chubu chopanda kanthu chikhoza kupangidwa ndi njira yotentha yozungulira, ndipo billet yosalekeza kapena ingot yachitsulo ingagwiritsidwenso ntchito.

(3) Kupanga njira yachitsulo chitoliro
Chitoliro chachitsulo chikhoza kupangidwa ndi kugudubuza kotentha (extrusion, kukulitsa) kapena kujambula kozizira (kugudubuza) njira yopanda phokoso.

Chiwonetsero cha Zamalonda

GB3087 Seamless Steel Pipe3
GB3087 Seamless Steel Pipe2
GB3087 Seamless Steel Pipe1

Mapangidwe a Chemical (%)

Standard

Kalasi yachitsulo

C

Si

Mn

S

P

Cr

Mtengo wa GB3087

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

Mechanical Properties

Standard

Chitoliro chachitsulo

Khoma makulidwe

Kulimba kwamakokedwe

Zokolola Mphamvu

Elongation

(mm)

(MPa)

(MPa)

%

 

 

GB3087

10

/

335-475

195

24

20

<15

410-550

245

20

≥15

225

Kupatuka Kololedwa Kwa Diameter Yakunja Ndi Makulidwe Akhoma

Mtundu wa chitoliro chachitsulo

M'mimba mwake (mm)

Kulekerera

wamba

patsogolo

Hot adagulung'undisa chubu

OD

≤159

± 10% (mphindi ± 0.50mm)

± 0.75% (mphindi ± 0.40mm)

>159

±1.0%

± 0.90%

WT

≤20

+15.0%(mphindi+0.45mm)
- 12.5% ​​-0.35mm)

± 10% (mphindi ± 0.30mm)

>20

± 12.5%

±10%

OD≥351

± 15%

Chozizira chokoka chubu

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%

Mayesero

(1) Mayeso a Hydraulic
Chitoliro chachitsulo chiyenera kuyesedwa ndi hydraulically mmodzimmodzi.

(2)Mayeso osalala
Mapaipi achitsulo okhala ndi mainchesi akunja opitilira 22mm mpaka 400mm ndi makulidwe a khoma osapitilira 10mm adzayesedwa kuphwanyidwa.

(3)Kuyesa kwamphamvu
Chitoliro chachitsulo chokhala ndi khoma la makulidwe osapitirira 8 mm chikhoza kuyesedwa pamoto ndi taper pamwamba pa 30 °, 45 ° kapena 60 °.

(4) Mayeso opindika
Mapaipi achitsulo okhala ndi mainchesi akunja osapitilira 22 mm adzayesedwa kupindika.

(5)Kuyesa kosawononga
Malinga ndi zofunikira za wogula, chitoliro chachitsulo chidzayesedwa ultrasonically mmodzimmodzi.

Ubwino Wapamwamba

Mawonekedwe amkati ndi akunja a chitoliro chachitsulo alibe ming'alu, mapindikidwe, ma creases, crusting kapena kupatukana, ndipo zolakwikazi ziyenera kuchotsedwa kwathunthu.Kuzama kwachilolezo sikuyenera kupitirira kupatuka koyipa kwa makulidwe a khoma, ndipo makulidwe enieni a khoma pa malo oyeretsera sangakhale ochepa kuposa omwe amaloledwa ndi khoma.

Kupaka, Kuyika Chizindikiro Ndi Malangizo Abwino

Kuyika, kuyika chizindikiro ndi mawonekedwe apamwamba a mapaipi achitsulo azitsatira zomwe GB/T 2102 ikupereka.


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