Submerged Arc Spiral Welded Tube Rau Gas Kab
Kauv welded kav yog tsim tas li thiab muaj peev xwm theoretically tsim infinitely ntev steel kav.Cov txheej txheem tsim khoom no txo qis lub taub hau thiab tus Tsov tus tw txiav thaum nce kev siv hlau los ntawm 6% mus rau 8%.Qhov no yuav ua rau kev txuag nqi thiab kev ua tau zoo rau peb cov neeg siv khoom.
Pebkauv welded rajmuab kev khiav hauj lwm yooj yooj yim piv rau cov tsoos ncaj seam welded kav.Yooj yim rau kev sib pauv thiab kho ntau yam, ua rau lawv zoo tagnrho rau cov haujlwm uas xav tau kev hloov pauv thiab kev hloov kho.Tsis tas li ntawd, kev siv tshuab thiab automation muaj peev xwm ntawm peb cov kauv welded raj tso cai rau lawv tau yooj yim siv nyob rau hauv ntau yam kev lag luam ib puag ncig.
Txuj | Qib hlau | Tshuaj muaj pes tsawg leeg | Tensile zog | Charpy Impact Test thiab Drop Weight Tear Test | |||||||||||
C | Mn | P | S | Ti | Lwm yam | CEV 4 (%) | Rt0.5 Mpa Yield zog | Rm Mpa Tensile zog | A% L0 = 5.65 √ S0 Elongation | ||||||
max | max | max | max | max | max | max | min | max | min | max | |||||
API Spec 5L (PSL2) | B | 0.22 | 1.20 | 0.025 ib | 0.015 ib | 0.04 ib | Rau txhua qib steel: Kev xaiv ntxiv Nb lossis V lossis ib qho kev sib xyaw ua ke ntawm lawv, tab sis Nb+V+Ti ≤ 0.15%, thiab Nb + V ≤ 0.06% rau qib B | 0.25 | 0.43 ib | 241 | 448 ib | 414 ib | 758 ib | Yuav suav tau raws li cov cov qauv hauv qab no: e=1944·A0.2/U0.9 A: Hla ntu thaj tsam ntawm cov qauv hauv mm2 U: Tsawg kawg tensile zog hauv Mpa | Muaj cov kev xeem uas yuav tsum tau muaj thiab cov kev xeem xaiv tau.Yog xav paub ntxiv, saib tus qauv qub. |
X42 | 0.22 | 1.30 Nws | 0.025 ib | 0.015 ib | 0.04 ib | 0.25 | 0.43 ib | 290 | 496 ib | 414 ib | 758 ib | ||||
X46 | 0.22 | 1.40 Nws | 0.025 ib | 0.015 ib | 0.04 ib | 0.25 | 0.43 ib | 317 | 524 ib | 434 ib | 758 ib | ||||
X52 | 0.22 | 1.40 Nws | 0.025 ib | 0.015 ib | 0.04 ib | 0.25 | 0.43 ib | 359 ib | 531 ib | 455 | 758 ib | ||||
X56 | 0.22 | 1.40 Nws | 0.025 ib | 0.015 ib | 0.04 ib | 0.25 | 0.43 ib | ib 386 | 544 ib | 490 ib | 758 ib | ||||
X 60 | 0.22 | 1.40 Nws | 0.025 ib | 0.015 ib | 0.04 ib | 0.25 | 0.43 ib | 414 ib | 565 ib | 517 ib | 758 ib | ||||
X 65 | 0.22 | 1.45 Nws | 0.025 ib | 0.015 ib | 0.06 ib | 0.25 | 0.43 ib | 448 ib | 600 | 531 ib | 758 ib | ||||
X 70 | 0.22 | 1.65 ib | 0.025 ib | 0.015 ib | 0.06 ib | 0.25 | 0.43 ib | 483 ib | 621 ib | 565 ib | 758 ib | ||||
X80 | 0.22 | 1.65 ib | 0.025 ib | 0.015 ib | 0.06 ib | 0.25 | 0.43 ib | 552 ib | 690 ib | 621 ib | 827 ib | ||||
1) CE (Pcm) = C + Si / 30 + (Mn + Cu + Cr) / 20 + Ni / 60 + No / 15 + V / 10 + 58 | |||||||||||||||
2) CE(LLW)=C+ Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15 |
Raugas kab, kauv welded raj muab cov tshuaj ruaj khov thiab txhim khu kev qha.Nws cov txheej txheem tsim khoom tas mus li ua kom zoo ib yam thiab lub zog, uas yog qhov tseem ceeb rau kev thauj mus los ntawm cov roj av.Cov yooj yooj yim thiab adaptability ntawm kauv welded raj kuj ua rau nws zoo tagnrho rauarc vuam yeeb nkabdaim ntawv thov.Txawm hais tias nws yog ib qho kev lag luam, kev lag luam lossis chaw nyob, peb cov khoom muab kev ua tau zoo thiab kev ntseeg siab uas koj xav tau.
Peb cov kauv welded raj yog tsim los rau cov qauv zoo tshaj plaws kom tau raws li kev lag luam.Peb siv lub xeev-of-the-art technology thiab precision engineering los tsim cov khoom uas tshaj qhov kev cia siab.Txhua cov yeeb nkab tau raug kuaj nruj thiab tshuaj xyuas kom ntseeg tau tias nws ua tau raws li qhov tsim nyog specifications rau kev siv roj pipeline.
Ntxiv nrog rau kev ua tau zoo, peb cov welded raj yog tsim los nrog cov neeg siv khoom xav tau hauv siab.Los ntawm kev txhim kho mus rau kev saib xyuas, peb cov kav dej welded yog tsim los kom yooj yim tshaj plaws.
Peb tau cog lus los muab peb cov neeg siv khoom nrog cov khoom zoo tshaj plaws thiab cov kev daws teeb meem kom tau raws li lawv cov kev xav tau.Kev taw qhia ntawm peb cov kauv welded yeeb nkab qhia txog peb txoj kev mob siab rau kev tsim kho tshiab thiab kev ua tau zoo hauv kev lag luam.Peb ntseeg tias peb cov khoom yuav ua tau raws li cov kev xav tau ntawm cov khoom siv roj, thiab peb tos ntsoov yuav ntsib peb cov neeg siv khoom xav tau nrog cov khoom zoo tshaj plaws thiab kev txhawb nqa.