Cov Yeeb Nkab Welded Uas Muaj Kauv Sib Dhos GBT9711 2011PSL2
Peb zoo siab los qhia peb cov khoom tshiab,kauv seam welded yeeb nkabCov khoom siv ntau yam tshiab no yog tsim los ntawm kev dov cov hlau tsis muaj carbon lossis cov hlau tsis muaj alloy rau hauv cov raj ntawm lub kaum sab xis, thiab tom qab ntawd vuam cov seams ntawm lub raj. Cov txheej txheem tsim khoom tshwj xeeb no tso cai rau peb tsim cov kav hlau loj los ntawm cov kab nqaim.
Ntawm Cangzhou Spiral Steel Pipes Group Co., Ltd., peb muaj kev txaus siab rau peb cov chaw tsim khoom zoo tshaj plaws thiab cov thev naus laus zis tshiab. 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 pab pawg 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 cov kav hlau kauv thiab cov nqi tsim tawm ntawm 1.8 billion yuan.
| Tus Qauv |
Qib hlau | (%) Cov tshuaj lom neeg sib xyaw | Cov khoom siv tensile | Charpy ImpactSim thiab TsoKev Ntsuas Qhov Hnyav | ||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Lwm yam | CEV4)(%) | Rt0.5 MpaLub zog tawm los |
Rm Mpa Lub zog tensile | 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 | siab tshaj plaws | feeb | siab tshaj plaws | feeb | siab tshaj plaws | siab tshaj plaws | feeb | ||||
|
GB/T9711 -2011 (PSL2) | L245MB | 0.22 | 0.45 | 1.20 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 245 | 450 | 415 |
760 |
0.93 | 22 | Kev ntsuam xyuas Charpy impact: Impactnqus taulub zog ntawm lub cev yeeb nkab thiab cov xov hlau yuav tsum yuav tsum tau kuaj xyuas raws li yuav tsum tau ua nyob rau hauv tus qauv qub. Yog xav paub ntxiv, mus saib tus qauv qub. Kev ntsuam xyuas kua muag poob: Xaiv tau thaj chaw txiav |
| L290MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 290 | 495 | 415 | 21 | ||||
| L320MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
| L360MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
| L390MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
| L415MB | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
| L450MB | 0.12 | 0.45 | 1.60 | 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 | 协议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. Mn Cr+Mo+V Cu+Ni 4) CEV=C+ 6+5+5
| ||||||||||||||||||
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm peb cov yeeb nkab sib txuas ua ke yog nws lub zog thiab kev ruaj khov tsis muaj qhov sib piv. Kev siv cov hlau zoo ua kom peb cov yeeb nkab tuaj yeem tiv taus cov xwm txheej hnyav thiab cov khoom hnyav, ua rau lawv haum rau ntau yam kev siv. Txij li roj thiab roj xa mus rau dej thiab cov kav dej phwj tuaj, peb cov yeeb nkab lav qhov ua tau zoo thiab kev pabcuam ntev.
Tsis tas li ntawd xwb, peb cov kav dej uas muaj cov xov sib txuas ua ke muaj ntau yam kev siv tau zoo heev. Nrog rau lub peev xwm los tsim cov kav hlau loj, peb tuaj yeem ua tau raws li ntau yam kev xav tau thiab cov lus qhia ntawm qhov project. Txawm hais tias koj xav tau cov kav dej rau kev tsim kho vaj tse, cov haujlwm tsim kho lossis cov ntawv thov kev lag luam, peb muaj peev xwm ua tau raws li koj xav tau.
Ntxiv rau qhov muaj zog thiab kev hloov pauv tau yooj yim, peb cov kav dej sib txuas ua ke muab kev tiv thaiv xeb zoo heev. Qhov no yog qhov tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv cov lag luam uas feem ntau raug rau qhov chaw ib puag ncig hnyav thiab cov tshuaj xeb. Peb cov kav dej tau tsim los kom sawv qhov kev sim ntawm lub sijhawm, kom ntseeg tau tias muaj kev ua tau zoo tshaj plaws txawm tias nyob rau hauv cov xwm txheej nyuaj tshaj plaws.
Ntawm Cangzhou Spiral Steel Pipes Group Co., Ltd., peb cog lus tias yuav muab cov khoom zoo thiab kev pabcuam zoo rau cov neeg siv khoom. Peb cov kev tswj xyuas zoo thiab cov txheej txheem kuaj xyuas nruj kom ntseeg tau tias txhua lub yeeb nkab uas tau vuam los ntawm 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 mob siab rau pab nrog txhua cov lus nug lossis kev txhawj xeeb uas koj muaj.
Tag nrho hauv txhua qhov, peb cov kav dej sib txuas ua ke yog qhov kev daws teeb meem txhim khu kev qha thiab ua haujlwm tau zoo rau ntau yam kev siv. Los ntawm peb cov txheej txheem tsim khoom zoo tshaj plaws thiab kev cog lus rau kev ua tau zoo, peb tau dhau los ua tus neeg muab khoom ntseeg siab hauv kev lag luam. Txawm hais tias koj tab tom nrhiav kev muaj zog, kev hloov pauv tau yooj yim lossis kev tiv thaiv xeb, peb cov kav dej sib txuas ua ke yog qhov kev xaiv zoo tshaj plaws. Xaiv Cangzhou Spiral Steel Pipes Group Co., Ltd. rau txhua yam koj xav tau cov kav dej hlau.







