GB3087 Tsawg Siab Boiler Seamless Steel Yeeb Nkab

Lus piav qhia luv luv:

GB 3087 20 # seamless steel hlab yog dav siv rau kev tsim cov cua sov-pipeliners, ntim, steaming pipeliners ntawm qis- nruab nrab siab boilers.


Product Detail

Khoom cim npe

Khoom Taw Qhia

Chaw tsim khoom:Seamless txheej txheem, Kub-tiav lossis txias-tiav.
Phab ntsa thickness (WT):3.2 hli-21mm.
Sab nraud txoj kab uas hla (OD):33mm-323 hli.
Ntev:6M lossis ntev raws li qhov xav tau.
Xaus:Plain End, Beveled End, Treaded.

Cov ntaub ntawv ntxiv

Chaw nres nkoj xa khoom: Tianjin, Suav.
Cov nqe lus them nqi: T / T, LC.
Tus me nyuam: 7-15 hnub tom qab them nyiaj.
Nto: Cov raj yuav ua kua roj vanish (Sab nraum nkaus xwb) los tiv thaiv xeb.
Marking: Txheem + Hlau Qib + Loj + Kub Tsis Muaj + Ntau Ntau.
Pob: Pob (hexagonal), Ntoo Thawv, Crates (steel / ntoo) los yog raws li xav tau.

Kev tsim khoom

(1) Kev tsim cov hlau
Hlau yog tsim los ntawm hluav taws xob rauv, oxygen converter los yog qhib hearth txoj kev.

(2) Kev tsim cov txheej txheem ntawm lub raj khoob
Lub raj tsis muaj peev xwm ua tau los ntawm txoj kev kub dov, thiab ib qho kev nruam casting los yog steel ingot kuj siv tau.

(3) Kev tsim cov yeeb nkab steel
Cov yeeb nkab steel tuaj yeem tsim los ntawm kev kub dov (extrusion, expansion) lossis txias kos duab (dov) seamless txoj kev.

Khoom Qhia

GB3087 Seamless Steel Yeeb Nkab 3
GB3087 Seamless Steel Yeeb Nkab 2
GB3087 Seamless Steel Yeeb Nkab 1

Chemical Composition (%)

Txuj

Qib Steel

C

Si

Mn

S

P

Cr

wb 3087

10

0.07-0.13 dr hab

0.17-0.37 Nws

0.35-0.65 Nws

0.02 ib

0.025 ib

≤ 0.15

20

0.17-0.23 dr hab

0.17-0.37 Nws

0.35-0.65 Nws

0.02 ib

0.025 ib

≤ 0.25

Mechanical Properties

Txuj

Cov yeeb nkab steel

Phab ntsa thickness

Tensile zog

Yield zog

Elongation

(mm)

(MPa)

(MPa)

%

 

 

wb 3087

10

/

335-475 : kuv

195

24

20

15

410-550 : kuv

245

20

≥15

225

Tso cai sib txawv ntawm sab nraud thiab phab ntsa Thickness

Hom steel yeeb nkab

Sab nraud txoj kab uas hla (mm)

Ua siab ntev

zoo tib yam

advanced

Kub dov raj

OD

≤159

± 10% (min ± 0.50 hli)

± 0.75% (min ± 0.40 hli)

159 ib

± 1.0%

± 0.90%

WT

≤ 20

15.0% (min + 0.45mm)
12.5% ​​~ 0.35 hli)

± 10% (min ± 0.30 hli)

> 20

± 12.5%

± 10%

TSI ≥351

± 15%

Cold draw tube

OD

10 ~ 30

± 0.40 hli

± 0.20 hli

30 ~ 50

± 0.45 hli

± 0.25 hli

> 50

± 1.0%

± 0.75%

WT

1.5-3.0 Nws

+ 15%
-10%

± 10%

> 3.0

+12.5%
-10%

± 10%

Kev sim

(1) Hydraulic xeem
Cov yeeb nkab steel yuav tsum tau kuaj hydraulically ib los ntawm ib qho.

(2) Flattening xeem
Cov kav hlau uas muaj txoj kab uas hla sab nraud ntawm ntau dua 22mm txog 400mm thiab phab ntsa tuab tsis tshaj 10mm yuav tsum raug kuaj kom haum.

(3) Flaring xeem
Cov yeeb nkab steel nrog phab ntsa thickness tsis ntau tshaj 8 hli tuaj yeem raug kuaj flare nrog rau sab saum toj taper ntawm 30 °, 45 ° lossis 60 °.

(4) Khoov kuaj
Cov kav hlau uas muaj txoj kab uas hla sab nraud tsis tshaj 22 hli yuav raug rau kev sim khoov.

(5) Kev kuaj tsis muaj kev puas tsuaj
Raws li cov kev xav tau ntawm tus neeg yuav khoom, cov yeeb nkab steel yuav raug kuaj ultrasonically ib qho los ntawm ib qho.

Nto Zoo

Sab hauv thiab sab nrauv ntawm cov yeeb nkab steel tsis muaj cov kab nrib pleb, folds, creases, crusting los yog sib cais, thiab cov kev tsis zoo no yuav tsum raug tshem tawm tag nrho.Qhov tob clearance yuav tsum tsis txhob ntau tshaj qhov tsis zoo sib txawv ntawm nominal phab ntsa thickness, thiab cov phab ntsa tiag tiag ntawm qhov chaw ntxuav yuav tsum tsis txhob tsawg tshaj li qhov tsawg kawg nkaus tso cai los ntawm phab ntsa.

Ntim, Marking thiab cov lus qhia zoo

Kev ntim khoom, cim thiab cov lus qhia zoo ntawm cov kav hlau yuav tsum ua raws li cov kev cai ntawm GB / T 2102.


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