Loj Diameter Welded Pipes Steel Tubular Piles

Lus piav qhia luv luv:

Peb txaus siab los tso tawm peb cov khoom tsim tshiab steel tubular pawg, tsim los muab kev ua tau zoo rau ntau yam kev siv, tshwj xeeb tshaj yog cofferdams.Cov pawg no muaj qhov nkhaus lossis ncig sib tshooj tsim kom tsis muaj zog thiab ua haujlwm ntev, ua haujlwm zoo thiab tiv thaiv kev nkag mus ntawm dej, av thiab xuab zeb.

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Cov yeeb nkab steelyog tsim los siv cov ntaub ntawv zoo tshaj plaws thiab cov thev naus laus zis siab heev, ua rau lawv muaj kev ntseeg siab rau txhua qhov kev tsim kho.Cov pawg no feem ntau siv hauv cofferdams thiab lawv cov qauv tsim muaj zog ua kom muaj kev nyab xeeb thiab ruaj khov uas xav tau rau cov hauv paus thiab lwm yam kev ua haujlwm.

Txuj

Qib Steel

Chemical Constituent (%)

Tensile Khoom

Charpy

(V)

Impact Test

Lwm yam

Yield zog

(Mpa)

Tensile zog

(Mpa)

(L0 = 5.65 √ S0)min Stretch Rate (%)

max

min

max

min

max

D ≤ 168.33mm

D ＞ 168.3mm

GB/T3091-2008

qw 215a

≤ 0.15

0.25—1.20 Nws

0.045 ib

0.050 ib

0.35 Nws

Ntxiv Nb\V\Ti raws li GB/T1591-94

215

335

> 31

q215 ib

≤ 0.15

0.25-0.55 Nws

0.045 ib

0.035 ib

215

335

> 31

qw 235a

≤ 0.22

0.30 — 0.65 Nws

0.045 ib

0.050 ib

0.035 ib

235

375

> 26

q235 ib

≤ 0.20

0.30 ≤ 1.80

0.045 ib

0.035 ib

235

375

> 26

qw 295a

0.16

0.80-1.50 Nws

0.045 ib

0.55 ib

295

390

> 23

q295 ib

0.16

0.80-1.50 Nws

0.045 ib

0.040 ib

0.55 ib

295

390

> 23

qw 345a

0.20 ib

1.00-1.60 Nws

0.045 ib

0.55 ib

345

510

> 21

q345 ib

0.20 ib

1.00-1.60 Nws

0.045 ib

0.040 ib

0.55 ib

345

510

> 21

GB/

T9711-

Xyoo 2011

(PSL1)

l175 ua

0.21 ib

0.60 ib

0.030 Nws

Kev xaiv ntxiv ib qho ntawm Nb\V\Ti cov ntsiab lus lossis ib qho kev sib xyaw ua ke ntawm lawv

175

310

Ib los yog ob ntawm cov toughness indexof

Kev cuam tshuam lub zog thiab qhov chaw shearing tuaj yeem raug xaiv.Rau

L555, saib tus qauv.

L210

0.22

0.90 ib

0.030 Nws

210

335

l245 ua

0.26

1.20

0.030 Nws

245

415

l290 ua

0.26

1.30 Nws

0.030 Nws

290

415

l320 ua

0.26

1.40 Nws

0.030 Nws

320

4 35

l360 ua

0.26

1.40 Nws

0.030 Nws

360

460

l390 ua

0.26

1.40 Nws

0.030 Nws

390

l415 ua

0.26

1.40 Nws

0.030 Nws

415

520

l450 ua

0.26

1.45 Nws

0.030 Nws

450

535 ib

l485 ua

0.26

1.65 ib

0.030 Nws

485 ib

570 ib

API 5L (PSL 1)

A25

0.21 ib

0.60 ib

0.030 Nws

Rau qib B steel,

Nb + V ≤ 0.03%;

rau steel ≥ qib B, xaiv tau ntxiv Nb lossis V lossis lawv

Kev sib xyaw ua ke, thiab Nb + V + Ti ≤ 0.15%

172

310

(L0 = 50.8mm) ua

xam raws li cov qauv hauv qab no:

e=1944·A0 .2/U0 .0

A: Thaj tsam ntawm cov qauv hauv mm2 U: Tsawg kawg tensile zog hauv Mpa

Tsis muaj los yog ib qho

los yog ob leeg ntawm

qhov cuam tshuam

zog thiab

kev txiav

cheeb tsam yuav tsum tau raws li cov qauv toughness.

0.22

0.90 ib

0.030 Nws

207

331

0.26

1.20

0.030 Nws

241

414 ib

X42

0.26

1.30 Nws

0.030 Nws

290

414 ib

X46

0.26

1.40 Nws

0.030 Nws

317

434 ib

X52

0.26

1.40 Nws

0.030 Nws

359 ib

455

X56

0.26

1.40 Nws

0.030 Nws

ib 386

490 ib

X 60

0.26

1.40 Nws

0.030 Nws

414 ib

517 ib

X 65

0.26

1.45 Nws

0.030 Nws

448 ib

531 ib

X 70

0.26

1.65 ib

0.030 Nws

483 ib

565 ib

Pebloj txoj kab uas hla welded yeeb nkabsyog cov pob txha ntawm cov yeeb nkab steel, txhim kho lawv txoj kev ntseeg tau thiab kev ua tau zoo.Los ntawm cov txheej txheem vuam zoo thiab kev tswj xyuas zoo, peb ua kom txhua pawg ua tau raws li cov qauv kev lag luam siab tshaj plaws.Cov kav dej no muaj qhov tshwj xeeb yooj yim thiab ua haujlwm ntev, tso cai rau cov yeeb nkab steel kom tiv taus huab cua huab cua thiab ib puag ncig hnyav.

Raws li cov chaw tsim khoom lag luam, Cangzhou Spiral Steel Pipes Group Co., Ltd. muaj cov chaw zoo tshaj plaws uas npog thaj tsam ntawm 350,000 square meters.Nrog rau cov khoom muaj nqis txog li 680 lab yuan, peb nqis peev hauv kev siv thev naus laus zis thiab cov cuab yeej siv los ua kom cov khoom zoo tshaj plaws.Tsis tas li ntawd, peb cov neeg ua haujlwm mob siab rau ntawm 680 tus neeg ua haujlwm ua kom ntseeg tau tias txhua yam khoom tau raug kuaj xyuas nruj ua ntej ncav tes ntawm peb cov neeg siv khoom muaj nuj nqis.

Peb lub Hoobkas muaj cov khoom tsim tawm txhua xyoo ntawm 400,000 tons ntawm kauv steel kav thiab tus nqi tso tawm ntawm 1.8 billion yuan.Lub ntsiab lus tseem ceeb no qhia peb txoj kev mob siab rau kev xa cov kev pabcuam zoo tshaj plaws thiab ua tau raws li cov kev xav tau ntawm peb cov neeg siv khoom muaj txiaj ntsig hauv zos thiab thoob ntiaj teb.

Cov yeeb nkab steelua ke nrog peb txoj kab uas hla loj welded kav muab versatility zoo heev, ua rau lawv haum rau ntau yam kev siv.Ntxiv nrog rau cofferdams, peb pawg tau siv dav hauv kev tsim choj, chaw nres nkoj infrastructure thiab lwm yam dej num hauv hiav txwv.Qhov tshwj xeeb nkhaus lossis sib npaug tsim ntawm cov pawg no ua kom pom cov dej thiab cov av khaws cia thaum muab cov qauv tsim muaj zog.

Peb lub tuam txhab kev cog lus rau kev ua tau zoo, kev tshaj lij thiab cov neeg siv khoom txaus siab ua rau peb txuas ntxiv txhim kho peb cov txheej txheem tsim khoom thiab tsim cov kev daws teeb meem tshiab.Peb ua raws li cov qauv kev tswj hwm nruj kom ntseeg tau tias peb cov khoom muaj txiaj ntsig zoo tshaj plaws thiab ua tau raws li lossis tshaj qhov koj xav tau.

Hauv cov ntsiab lus,steel tubular pawgyog revolutionizing kev tsim kho kev lag luam nrog lub zog thiab durability ntawm peb loj txoj kab uas hla welded yeeb nkab.Nrog lawv lub peev xwm los tiv thaiv cov xwm txheej nyuaj thiab lawv cov kev siv tshwj xeeb hauv cofferdams, cov pawg no muab kev tiv thaiv thiab kev txhawb nqa tsis sib xws.Koom tes nrog Cangzhou Spiral Steel Pipes Group Co., Ltd. kom tau txais cov khoom zoo tshaj plaws uas txhim kho koj cov haujlwm thiab muab cov kev daws teeb meem ntev.

Yav dhau los: Hollow-Section Structural Pipes Thiab Lawv Lub Luag Haujlwm Hauv Roj Pipeline Infrastructure

Tom ntej: Vuam Dub Hlau Yeeb Nkab Rau Cov Dej Hauv Tsev

Sau koj cov lus ntawm no thiab xa tuaj rau peb