Tube Weld Nrog Kev Ua Tau Zoo
| Tus Qauv | Qib hlau | Cov tshuaj lom neeg muaj pes tsawg leeg | Cov khoom siv tensile | Kev Ntsuas Kev Cuam Tshuam Charpy thiab Kev Ntsuas Qhov Hnyav Ntawm Qhov Tso Tawm | ||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | CEV4)(%) | Rt0.5 Mpa Tawm zog | Lub zog Tensile Rm Mpa | Rt0.5 / Rm | (L0 = 5.65 √ S0) Kev Ntev A% | ||||||
| siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | siab tshaj plaws | Lwm yam | siab tshaj plaws | feeb | siab tshaj plaws | feeb | siab tshaj plaws | siab tshaj plaws | feeb | |||
| L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Kev ntsuam xyuas qhov cuam tshuam ntawm Charpy: Lub zog nqus dej ntawm lub cev yeeb nkab thiab cov xov hlau yuav tsum tau kuaj raws li qhov xav tau hauv tus qauv qub. Yog xav paub ntxiv, saib tus qauv qub. Kev ntsuam xyuas qhov hnyav poob: Thaj chaw txiav xaiv tau | |
| GB/T9711-2011 (PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
| L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
| L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
| L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
| L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
| L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
| L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
| L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | Kev sib tham | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
| Lus Cim: | ||||||||||||||||||
| 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 hlau, Mo yuav ≤ 0.35%, raws li daim ntawv cog lus. | ||||||||||||||||||
| 4) CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5 | ||||||||||||||||||
Lub Tuam Txhab Zoo Dua
Peb lub Hoobkas nyob hauv Cangzhou, Hebei Xeev, thiab peb tau nyob rau pem hauv ntej ntawm kev tsim cov kav hlau zoo txij li thaum peb tau tsim tsa xyoo 1993. Peb lub Hoobkas npog thaj tsam ntawm 350,000 square meters, nrog tag nrho cov cuab tam ntawm RMB 680 lab, tuaj yeem tsim tau 400,000 tons ntawm cov kav hlau kauv ib xyoos, thiab muaj 680 tus kws tshaj lij.
Kev Taw Qhia Txog Khoom
Peb txoj kev cog lus rau qhov zoo tshaj plaws tau pom tseeb hauv peb txoj kev vuam arc uas ua tib zoo, uas yog ib kauj ruam tseem ceeb hauv kev tsim peb cov yeeb nkab vuam kauv. Cov thev naus laus zis no siv qhov kub siab los tsim kom muaj kev sib txuas ruaj khov thiab ruaj khov ntawm cov yeeb nkab, kom ntseeg tau tias peb cov khoom muab kev ua tau zoo txawm tias nyob rau hauv qhov chaw nyuaj tshaj plaws. Txawm hais tias koj nyob hauv kev lag luam roj av lossis xav tau cov kev daws teeb meem txhim khu kev qha rau lwm yam kev siv, peb cov yeeb nkab yuav ua tau raws li thiab tshaj qhov koj xav tau.
Nrog rau kev tsom mus rau qhov zoo thiab kev tsim kho tshiab, peb txaus siab rau peb tus kheej rau kev muab cov yeeb nkab welds uas lav qhov kev ua tau zoo ntev. Tsis yog peb xwbkauv welded yeeb nkabmuaj zog thiab ruaj khov, lawv kuj ua haujlwm tau zoo heev, ua rau lawv zoo tagnrho rau cov haujlwm uas xav tau kev ntseeg siab thiab kev ua haujlwm ntev.
Lub ntsiab feature
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm kev vuam raj yog nws txoj kev vam khom rau kev vuam arc, ib txoj kev siv qhov kub siab los tsim kom muaj kev sib txuas ruaj khov thiab ruaj khov ntawm cov raj hlau. Cov txheej txheem no yog qhov tseem ceeb rau kev ua kom muaj kev ncaj ncees thiab kev ntseeg siab ntawm cov khoom kawg, tshwj xeeb tshaj yog hauv cov ntawv thov uas kev nyab xeeb thiab kev ua tau zoo yog qhov tseem ceeb, xws li kev thauj mus los roj av.
Cov txheej txheem vuam arc suav nrog kev yaj cov npoo ntawm cov yeeb nkab thiab sib txuas ua ke, tsim kom muaj kev sib txuas tsis muaj qhov tsis sib xws uas tuaj yeem tiv taus kev kub siab thiab cov xwm txheej hnyav. Txoj kev no tsis yog tsuas yog ua rau lub yeeb nkab muaj zog ntxiv xwb, tab sis kuj ua rau nws lub neej ua haujlwm ntev dua, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau ntau yam kev siv hauv kev lag luam.
Tsis tas li ntawd xwb, qhov kev ua tau zoo thiab kev txawj ntse uas xav tau rau kev vuam yeeb nkab kuj qhia txog lub tuam txhab txoj kev cog lus rau qhov zoo. Los ntawm kev nqis peev rau hauv cov thev naus laus zis siab heev thiab cov neeg ua haujlwm txawj, lub Hoobkas Cangzhou ua kom ntseeg tau tias txhua lub yeeb nkab vuam sib txuas ua tau raws li cov qauv kev lag luam nruj, ua rau cov neeg siv khoom muaj kev thaj yeeb nyab xeeb thiab kev ntseeg siab rau cov khoom.
Qhov Zoo ntawm Khoom
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev vuam raj yog nws lub peev xwm los tsim cov pob qij txha muaj zog uas tuaj yeem tiv taus kev nyuaj siab thiab cov xwm txheej hnyav. Qhov no yog qhov tseem ceeb tshwj xeeb hauv kev lag luam roj av, qhov twg kev ncaj ncees ntawm cov kav dej yog qhov tseem ceeb. Cov txheej txheem vuam arc ua kom ntseeg tau tiasraj vuamtsis yog tsuas yog muaj zog xwb tab sis kuj ruaj khov, uas txo qhov kev pheej hmoo ntawm kev xau thiab kev ua tsis tiav. Tsis tas li ntawd, qhov ua tau zoo ntawm kev vuam raj tso cai rau cov chaw tsim khoom kom sai sai tsim cov yeeb nkab hlau kauv kom tau raws li qhov kev thov ntawm kev ua lag luam.
Qhov Tsis Zoo ntawm Khoom
Cov txheej txheem no xav tau cov neeg ua haujlwm txawj thiab kev tswj hwm qhov tseeb ntawm cov txheej txheem vuam kom tsis txhob muaj qhov tsis zoo xws li porosity lossis tsis muaj fusion. Cov teeb meem no tuaj yeem ua rau qhov zoo ntawm cov khoom kawg puas tsuaj thiab ua rau muaj kev phom sij rau kev nyab xeeb.
Tsis tas li ntawd xwb, qhov kub siab ntawm kev vuam arc tuaj yeem ua rau muaj kev ntxhov siab ntxiv rau hauv cov khoom siv, uas tuaj yeem cuam tshuam rau kev ua haujlwm ntev ntawm cov kav dej.
Cov Lus Nug Feem Ntau
Q1: Arc vuam yog dab tsi?
Kev vuam arc yog ib txoj kev siv qhov kub siab uas tsim los ntawm hluav taws xob arc los yaj thiab sib xyaw cov ntawv hlau ua ke. Rau cov yeeb nkab vuam kauv, txoj kev no yog qhov tseem ceeb los tsim kom muaj kev sib txuas zoo ntawm cov yeeb nkab, uas yog qhov tseem ceeb rau kev ua haujlwm thiab lub neej ntawm cov yeeb nkab.
Q2: Vim li cas arc vuam thiaj tseem ceeb rau cov kav dej roj av?
Cov kav dej roj av yuav tsum ua tau raws li cov qauv kev nyab xeeb thiab kev ntseeg siab. Cov txheej txheem vuam arc ua kom cov pob qij txha vuam tuaj yeem tiv taus qhov siab thiab tiv taus xeb, ua rau nws zoo tagnrho rau kev thauj cov roj av mus deb.
Q3: Koj lub tuam txhab nyob qhov twg?
Peb lub Hoobkas nyob hauv Cangzhou, Hebei Xeev, ib cheeb tsam uas paub txog nws lub zog kev lag luam. Peb lub tuam txhab tau tsim muaj xyoo 1993 thiab tau loj hlob tuaj yeem npog thaj tsam ntawm 350,000 square meters thiab ntiav 680 tus neeg ua haujlwm mob siab rau.
Q4: Koj lub peev xwm ntau lawm yog dab tsi?
Peb zoo siab uas tau tsim tau 400,000 tonnes ntawm cov yeeb nkab hlau ib xyoos. Qhov ntim khoom tsim tau zoo kawg no yog ib qho pov thawj rau peb txoj kev cog lus rau qhov zoo thiab kev ua haujlwm zoo hauv peb cov txheej txheem tsim khoom.






