Q355B yog qib tseem ceeb ntawm qis- alloy siab - lub zog steel qauv ua raws li tus qauv hauv Suav tebGB/T 1591-2018. Txij li xyoo 2019, nws tau hloov pauv cov tsoos Q345B qib nrog cov khoom siv kho kom zoo dua qub, ua rau nws piv rau European tus qauv S355 steel. Raws li ib qho ntawm feem ntau siv cov qauv hlau hauv Suav teb, nws qhov kev xaiv muaj lub ntsiab lus meej: tsab ntawvQhais txog yield zog,355sawv cev rau qhov tsawg kawg nkaus lub zog ntawm 355 MPa rau thickness Tsawg dua los yog sib npaug rau 16 hli, thiabBqhia txog qib zoo nrog rau kev ua tau zoo ntawm 20 degree.
Cov ntawv thov zoo thiab siv kawg
| Kev lag luam/Sector | Daim ntawv thov tshwj xeeb piv txwv | Cov khoom tseem ceeb Steel siv hauv daim ntawv thov no | Yog vim li cas xaiv |
|---|---|---|---|
| Kev tsim kho | Choj girders | High yield zog, zoo weldability | Load-cov kabmob muaj peev xwm |
| Tshuab | Heavy machinery thav duab | Ductility, toughness | Kev cuam tshuam tsis kam |
| Shipbuilding | Cov yam ntxwv ntawm cov khoom | Corrosion kuj, weldability | Durability |
Kev txiav txim siab tseem ceeb, kev xaiv cov txheej txheem, thiab kev nkag siab ntxiv
| Feature / Khoom | Q355B steel hlau | S355J2 | SWB 490A | Luv luv Pro/Con lossis Trade -tawm Ceeb Toom |
|---|---|---|---|---|
| Ntsiab Mechanical Property | High yield zog | Zoo sib xws | Zoo sib xws | Sib piv kev ua tau zoo |
| Ntsiab Corrosion Aspect | Ncaj ncees | Zoo | Zoo | Q355B tuaj yeem xav tau txheej txheej |
| Weldability | Zoo heev | Zoo heev | Zoo | Txhua qib yog weldable |
| Machineability | Nruab nrab | Zoo | Zoo | Q355B yuav tsum tau siv cov cuab yeej ua tib zoo |
| Formability | Zoo | Zoo | Zoo | Txhua qib yog tsim tau |
| Kwv yees li. Tus nqi txheeb ze | Nruab nrab | Nruab nrab | Nruab nrab | Tus nqi zoo ib yam ntawm cov qib |
| Yam Muaj | Siab | Siab | Siab | Muaj nyob rau hauv Asia |
Thaum xaiv Q355B steel, kev txiav txim siab suav nrog nws cov khoom siv kho tshuab, muaj, thiab tus nqi -kev ua tau zoo. Nws yog ib qho kev xaiv txhim khu kev qha rau cov qauv siv, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas nws yooj yim siv. Txawm li cas los xij, nws qhov kev tiv thaiv corrosion yuav xav tau kev tiv thaiv kev tiv thaiv nyob rau hauv ib puag ncig hnyav, thiab nws cov machinability tuaj yeem yog qhov txwv tsis pub siv hauv kev siv precision.
Peb tau cog lus tias yuav muab kev tshaj lij, txhim khu kev qha thiab txhawj xeeb rau koj - pub dawb - nres kev pabcuam thoob plaws hauv tag nrho cov txheej txheem. Tsis muaj teeb meem dab tsi koj yuav tsum tau ntawm specifications, kev xa khoom lossis kev txhawb nqa yog, thov nco ntsoov tiv tauj peb kom paub meej cov kev daws teeb meem.
Ntawm GNEE, peb ua txhua yam kom ntxaws kom ntseeg tau tias koj tau txais kev ruaj ntseg zoo, ntawm - lub sijhawm xa khoom thiab kev pabcuam siab dawb uas koj tuaj yeem ntseeg siab. Cia peb pab koj los tsim cov khoom lag luam steel uas txaus siab tshaj plaws thiab tsim kom ntev - kev koom tes nrog tag nrho kev thaj yeeb ntawm lub siab.
Cim npe nrov: gb q355b phaj rau structural steel, Tuam Tshoj gb q355b phaj rau structural steel manufacturers, lwm tus neeg, Hoobkas
