Kauv Seam Welded Yeeb Nkab GBT9711 2011PSL2
Peb zoo siab los qhia peb cov khoom tshiab tshaj plaws,kauv seam welded yeeb nkab.Cov khoom tsim kho tshiab no yog tsim los ntawm dov qis-carbon carbon structural steel lossis low-alloy structural steel strips rau hauv lub raj blanks ntawm qee lub kaum ntse ntse, thiab tom qab ntawd welding lub raj seams.Cov txheej txheem tsim tshwj xeeb no tso cai rau peb los tsim cov kav hlau loj loj los ntawm cov kab nqaim.
Ntawm Cangzhou Spiral Steel Pipes Group Co., Ltd., peb muaj kev txaus siab rau peb cov chaw hauv lub xeev thiab cov thev naus laus zis.Npog thaj tsam ntawm 350,000 square meters thiab nrog tag nrho cov cuab tam ntawm 680 lab yuan, nws tau dhau los ua tus thawj coj hauv kev lag luam.Nrog ib pab neeg mob siab rau ntawm 680 tus neeg ua haujlwm, los ntawm kev siv zog tsis tu ncua, lub tuam txhab 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.
Txuj |
Qib hlau | (%) Chemical muaj pes tsawg leeg | Tensile zog | Charpy ImpactKuaj thiab tso tsegQhov hnyav Tear Test | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Lwm yam | CEV 4)(%) | Rt 0.5 MpaYield zog |
Rm Mpa Tensile zog | Rt 0.5 / Ib | (L0 = 5.65 √ S0 ) Elongation A% | |||||
max | max | max | max | max | max | max | max | max | min | max | min | max | max | min | ||||
GB / T9711 -2011 (PSL2) | L245 MB | 0.22 | 0.45 ib | 1.20 | 0.025 ib | 0.15 | 0.05 Nws | 0.05 Nws | 0.04 ib | 1) | 0.40 Nws | 245 | 450 | 415 |
760 ib |
0.93 ua | 22 | Charpy impact test: Impactnqus taulub zog ntawm cov yeeb nkab lub cev thiab weld seam yuav tsum raug kuaj raws li xav tau hauv tus qauv qub.Yog xav paub ntxiv, saib tus qauv qub. Poob hnyav kua muag kuaj: xaiv tau shearing cheeb tsam |
L290 MB | 0.22 | 0.45 ib | 1.30 Nws | 0.025 ib | 0.015 ib | 0.05 Nws | 0.05 Nws | 0.04 ib | 1) | 0.40 Nws | 290 | 495 ib | 415 | 21 | ||||
L320 MB | 0.22 | 0.45 ib | 1.30 Nws | 0.025 ib | 0.015 ib | 0.05 Nws | 0.05 Nws | 0.04 ib | 1) | 0.41 ib | 320 | 500 | 430 | 21 | ||||
L360 MB | 0.22 | 0.45 ib | 1.40 Nws | 0.025 ib | 0.015 ib | 1) | 0.41 ib | 360 | 530 | 460 | 20 | |||||||
L390 MB | 0.22 | 0.45 ib | 1.40 Nws | 0.025 ib | 0.15 | 1) | 0.41 ib | 390 | 545 ib | 490 ib | 20 | |||||||
L415 MB | 0.12 | 0.45 ib | 1.60 ib | 0.025 ib | 0.015 ib | 1) 2) 3 | 0.42 ib | 415 | 565 ib | 520 | 18 | |||||||
L450 MB | 0.12 | 0.45 ib | 1.60 ib | 0.025 ib | 0.015 ib | 1) 2) 3 | 0.43 ib | 450 | 600 | 535 ib | 18 | |||||||
L485 MB | 0.12 | 0.45 ib | 1.7 | 0.025 ib | 0.015 ib | 1) 2) 3 | 0.43 ib | 485 ib | 6 35 | 570 ib | 18 | |||||||
L555 MB | 0.12 | 0.45 ib | 1.85 ib | 0.025 ib | 0.015 ib | 1) 2) 3 | 协议Kev sib tham | 555 | 705 ib | 625 | 825 ib | 0.95 ib | 18 | |||||
Nco tseg:1) 0.015 ≤ Altot < 0.060;N ≤ 0.012; AI—N ≥ 2—1;Cu ≤ 0.25; Ni ≤ 0.30; Cr ≤ 0.30; Mo ≤ 0.10 | ||||||||||||||||||
2) V+Nb+Ti ≤ 0.015%3) Rau txhua qib steel, Mo yuav ≤ 0.35%, raws li daim ntawv cog lus. Mn Cr+Mo+V Cu+Ni 4) CEV=C+ 6+5+5
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Ib qho txiaj ntsig tseem ceeb ntawm peb cov kauv seam welded yeeb nkab yog nws lub zog tsis sib xws thiab ua haujlwm ntev.Kev siv cov hlau nplaum zoo ua kom ntseeg tau tias peb cov kav dej tuaj yeem tiv taus huab cua thiab hnyav, ua rau lawv haum rau ntau yam kev siv.Los ntawm cov roj thiab cov pa xa mus rau cov dej thiab cov kav dej, peb cov kav dej tau lees paub kev ua tau zoo thiab kev pabcuam ntev.
Tsis tas li ntawd, peb cov spiral seam welded kav muab tshwj xeeb versatility.Nrog lub peev xwm los tsim cov kav dej loj loj, peb tuaj yeem ua tau raws li ntau yam kev xav tau ntawm qhov project thiab specifications.Txawm hais tias koj xav tau cov kav dej rau kev tsim kho vaj tse, kev tsim kho vaj tse lossis kev siv hauv kev lag luam, peb muaj peev xwm ua tau raws li koj xav tau.
Ntxiv nrog rau qhov muaj zog thiab ntau yam, peb cov kav dej kauv welded muab kev tiv thaiv zoo heev.Qhov no yog qhov tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv kev lag luam uas nquag raug rau ib puag ncig hnyav thiab cov khoom corrosive.Peb cov kav dej tau tsim kho los ua qhov kev sim ntawm lub sijhawm, ua kom pom kev ua tau zoo txawm tias nyob rau hauv qhov xav tau tshaj plaws.
Ntawm Cangzhou Spiral Steel Pipes Group Co., Ltd., peb tau cog lus los muab cov khoom zoo thiab kev pabcuam zoo rau cov neeg siv khoom.Peb cov kev tswj xyuas nruj nruj thiab cov txheej txheem kev soj ntsuam nruj kom ntseeg tau tias txhua qhov spiral seam welded yeeb nkab tawm hauv lub Hoobkas ua tau raws li cov qauv kev lag luam siab tshaj plaws.Tsis tas li ntawd, peb pab neeg txhawb nqa cov neeg siv khoom txaus siab nyob ntawm no los pab nrog cov lus nug lossis kev txhawj xeeb uas koj muaj.
Tag nrho cov nyob rau hauv tag nrho, peb muab kauv seam welded kav yog ib tug txhim khu kev qha thiab npaum tov rau ntau yam kev siv.Los ntawm peb cov txheej txheem tsim khoom hauv lub xeev thiab kev cog lus rau kev ua tau zoo, peb tau dhau los ua tus neeg muag khoom ntseeg siab hauv kev lag luam.Txawm hais tias koj tab tom nrhiav rau lub zog, ntau yam los yog corrosion kuj, peb cov spiral seam welded yeeb nkab yog qhov kev xaiv zoo tshaj plaws.Xaiv Cangzhou Spiral Steel Pipes Group Co., Ltd. rau tag nrho koj cov yeeb nkab steel xav tau.