High Quality Spiral Welded Carbon Steel Pipe nrog kev ua tau zoo
Mechanical Property
| qib steel | yam tsawg kawg nkaus yield zog Mpa | Tensile zog | Tsawg kawg elongation % | Yam tsawg kawg nkaus lub zog J | ||||
| Specified thickness mm | Specified thickness mm | Specified thickness mm | ntawm qhov ntsuas kub ntawm | |||||
| 16 | ＞ 16 ≤ 40 | ＜3 | ≥3≤40 | ≤ 40 | -20 ℃ | 0 ℃ | 20 ℃ | |
| S235 JRH | 235 | 225 | 360-510 : kuv | 360-510 : kuv | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 : kuv | 410-560 : kuv | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 : kuv | 470-630 : kuv | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Tshuaj muaj pes tsawg leeg
| Qib hlau | Hom de-oxidation a | % los ntawm huab hwm coj, siab kawg | ||||||
| Steel npe | Hlau tooj | C | C | Si | Mn | P | S | Nb |
| S235 JRH | 1, 0039 | FF | 0,17 ib | — | 1,40 ib | 0,040 ua | 0,040 ua | 0.009 ib |
| S275J0H | 1.0149 ib | FF | 0,20 ib | — | 1,50 ib | 0,035 ib | 0,035 ib | 0,009 ib |
| S275J2H | 1, 0138 | FF | 0,20 ib | — | 1,50 ib | 0,030 ua | 0,030 ua | — |
| S355J0H | 1.0547 ib | FF | 0,22 ib | 0,55 ib | 1,60 ib | 0,035 ib | 0,035 ib | 0,009 ib |
| S355J2H | 1.0576 ib | FF | 0,22 ib | 0,55 ib | 1,60 ib | 0,030 ua | 0,030 ua | — |
| S355K2H | 1.0512 | FF | 0,22 ib | 0,55 ib | 1,60 ib | 0,030 ua | 0,030 ua | — |
| a. Txoj kev deoxidation yog tsim raws li hauv qab no:FF: Ua tiav cov hlau uas muaj nitrogen khi cov ntsiab lus hauv cov nyiaj txaus los khi muaj nitrogen (xws li min. 0,020% tag nrho Al lossis 0,015% soluble Al). b. Tus nqi siab tshaj plaws rau nitrogen tsis siv yog tias cov tshuaj muaj pes tsawg leeg pom qhov tsawg kawg nkaus Al ntsiab lus ntawm 0,020% nrog qhov tsawg kawg nkaus Al / N piv ntawm 2: 1, lossis yog tias muaj lwm yam N-binding ntsiab. Cov ntsiab lus N-binding yuav tsum tau sau rau hauv Cov Ntaub Ntawv Tshawb Fawb. | ||||||||
Khoom Taw Qhia
Peb cov kauv welded carbon steel kav ua tau raws li tus qauv nruj EN10219, kom ntseeg tau tias kev ua tau zoo thiab kev ntseeg siab hauv ntau hom kev lag luam thiab kev lag luam. Tsis tsuas yog cov kav dej zoo li no muaj zog thiab ruaj khov, lawv kuj muaj kev tiv thaiv zoo heev rau corrosion thiab siab, ua rau lawv zoo tagnrho rau kev nyab xeeb thiab ua haujlwm zoo thauj cov pa hauv av.
Cov txheej txheem tshwj xeeb kauv vuam txheej txheem txhim kho cov txheej txheem kev ncaj ncees ntawm cov yeeb nkab, ua kom nws tiv taus qhov kev sim ntawm qhov hnyav ib puag ncig. Nrog nws cov yam ntxwv ua tau zoo heev, peb cov spirally welded carbon steel yeeb nkab haum rau ntau yam kev siv, nrog rau kev faib hluav taws xob, kev tsim kho thiab kev tsim kho vaj tse.
Los ntawm kev xaiv peb cov khoom zookauv welded carbon steel yeeb nkab, koj tab tom nqis peev hauv cov khoom lag luam uas lav lub neej ntev thiab kev ua haujlwm zoo. Peb txoj kev mob siab rau kev ua tau zoo thiab cov neeg siv khoom txaus siab yog pom nyob rau hauv txhua qhov ntawm peb cov txheej txheem tsim khoom, los ntawm kev xaiv cov khoom siv raw mus rau qhov kawg tshuaj ntsuam xyuas.
Khoom kom zoo dua
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm peb cov kauv welded carbon steel yeeb nkab yog nws lub zog zoo heev thiab kev ua haujlwm siab, ua rau nws zoo tagnrho rau kev nyab xeeb thiab kev thauj mus los ntawm cov pa roj. Cov txheej txheem spiral welding txhim kho cov txheej txheem kev ncaj ncees ntawm cov yeeb nkab, tso cai rau nws tiv taus ib puag ncig hnyav thiab hnyav hnyav. Tsis tas li ntawd, qhov zoo nkauj sab hauv ntawm cov yeeb nkab txo qis kev sib txhuam, ua kom txaus txaus thiab txo lub zog noj.
Khoom Shortcoming
Thaum nws muaj kev ua tau zoo heev, yam xws li susceptibility rau corrosion yuav tsum tau txiav txim siab, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav. Cov txheej txheem tsim nyog thiab kev saib xyuas yog qhov tseem ceeb los txuas lub neej ntawm cov yeeb nkab thiab ua kom nws muaj kev ntseeg tau ntev. Tsis tas li ntawd, tus nqi pib ntawm cov khoom siv zoo welded carbon steel yeeb nkab tuaj yeem siab dua li lwm cov ntaub ntawv, uas tej zaum yuav yog ib qho kev txiav txim siab rau cov phiaj xwm nyiaj txiag.
Daim ntawv thov
Peb cov kauv welded carbon steel kav ua tau raws li EN10219 cov qauv, kom ntseeg tau tias qhov zoo tshaj plaws thiab kev ua haujlwm tau zoo. Engineered los tiv thaiv cov kev ntxhov siab thiab cov teeb meem ntawm kev teeb tsa hauv av, cov kav dej yog qhov zoo tagnrho rau cov kav dej. Nws qhov tshwj xeeb kauv vuam tshuab tsis yog tsuas yog txhim kho nws cov qauv kev ncaj ncees, tab sis kuj muab kev tiv thaiv corrosion thiab puas, ua kom lub neej ntev thiab kev ntseeg siab hauv ntau yam ntawm ib puag ncig.
Peb cov welded carboncev steelmuaj ntau yam kev siv, tsis yog txwv rau kev siv roj av xwb. Nws yog tsim rau ntau yam kev lag luam thiab kev lag luam siv, nrog rau cov khoom siv dej, cov kav dej phwj tuaj thiab kev siv cov txheej txheem. Kev sib xyaw ua ke ntawm kev ua tau zoo thiab kev ua haujlwm zoo ua rau nws yog thawj qhov kev xaiv ntawm engineers thiab cov neeg cog lus.
FAQS
Q1. Dab tsi yog cov txiaj ntsig tseem ceeb ntawm kev siv kauv welded carbon steel yeeb nkab?
- Cov txiaj ntsig tseem ceeb suav nrog lub zog siab, zoo heev corrosion kuj, siab ua haujlwm siab, thiab tsim nyog rau kev siv roj av.
Q2. Cov txheej txheem tsim khoom cuam tshuam li cas?
- Peb cov txheej txheem kev tsim khoom siab heev kom ntseeg tau tias txhua cov yeeb nkab yog tsim los ntawm kev ua tau zoo, ua rau cov khoom lag luam txhim khu kev qha thiab ruaj khov.
Q3. Cov yeeb nkab puas haum rau lwm yam kev siv?
- Yog, thaum nws yog qhov zoo tagnrho rau cov kav dej, nws tuaj yeem siv rau hauv cov khoom siv dej, cov kav dej phwj tuaj, thiab lwm yam kev lag luam.
Q4. Qhov kev cia siab lub neej ntawm cov kav dej yog dab tsi?
- Nrog rau kev txhim kho thiab kev saib xyuas kom zoo, peb cov kav dej welded carbon steel kav tuaj yeem nyob rau ntau xyoo, muab cov nqi mus sij hawm ntev.
