1. Daim Ntawv Pov Thawj
Kev Koom Tes Ntawm Kev Koom Tes Ntawm Kev Koom Tes Tshwj Xeeb, xws li cov ntaub ntawv tshwj xeeb yog nruj thiab cov qauv ntawm cov ntawv pov thawj kev sib koom tes (Lloyd cov ntawv sau npe (Lloyd cov ntawv sau npe (Lloyd Cov Ntawv Sau Npe (Lloyd Cov Ntawv Sau Npe (Lloyd Cov Ntawv Sau Npe (Lloyd Cov Ntawv Sau Npe (Lloyd Cov Ntawv Sau Npe Cov kav dej steel siv rau kev tsim cov khoom siv roj hmab uas siv cov roj hmab thiab cov chav kawm zoo li no
Cov kav dej hlau loj: Feem ntau, lawv tsuas yog yuav tsum tau ua raws li cov qauv ntawm lub tebchaws lossis kev saib xyuas yog cov xoob.
2. Scope ntawm daim ntawv thov
Kev ua haujlwm hauv zej zog steel: feem ntau yog siv nyob rau hauv cov nkoj uas muaj feem xyuam rau kev nyab xeeb thiab kev ua haujlwm ntawm cov nkoj loj thiab cov kev ua haujlwm tseem ceeb thiab kev ua haujlwm tseem ceeb thiab kev ua haujlwm ntawm cov khoom lag luam steel yog qhov xav tau ntawm cov khoom lag luam hlau tsis tshua muaj siab heev.
Cov kav dej hlau loj: Muaj ntau cov ntawv thov, sau rau ntau daim teb, kev tsim khoom, thiab kev ua haujlwm hauv kev ua haujlwm yog qhov tsis tshua muaj tsawg.
3. Txheem cov qauv
Kev tshuaj xyuas zej zog steel: muaj cov txheej txheem nruj, tshuaj xyuas thiab ntsuas kom meej rau 0 {}} 25%, mo tsawg dua lossis sib npaug 0 {. 10%, ni tsawg dua los yog sib npaug los yog sib npaug lossis sib npaug rau 0.70%, thiab lwm yam .; Cov txheej txheem tshwj xeeb yuav tsum ua raws li thaum lub sijhawm tsim khoom kom ua tau ruaj khov thiab txhim khu kev qha ntawm cov yeeb nkab steel; Kev tshuaj xyuas thiab kuaj cov kev sib txuas yog txoj hlua khi ntau dua thiab muaj txhij txhua, thiab ntau yam kev kuaj thiab tshuaj xyuas yuav tsum tau ua.
{{. Hais txog cov khoom siv sib txawv raws li cov neeg muaj kev sib txawv thiab kev ua tau zoo thiab kev ua tau zoo thiab kev ua tau zoo ib yam li cov neeg feem ntau ntawm cov neeg sib txawv ntawm lub zej zog studen .
4. Nrhiav thiab ua lag luam
Kev Ua Si Hauv Lub Ntiaj Teb Hlau: Lub Sijhawm Khoom Siv Feem Ntau vim tias cov khoom lag luam tau cuam tshuam nrog cov khoom lag luam uas muaj pov thawj, thiab kev lag luam tawm tau zoo dua li cov khoom lag luam uas muaj pov thawj, thiab kev lag luam sib txawv yog cov khoom lag luam uas muaj pov thawj, thiab kev lag luam sib txawv yog qhov kev lag luam uas muaj pov thawj, thiab kev lag luam sib txawv yog cov khoom lag luam uas muaj pov thawj, thiab kev lag luam sib txawv yog cov khoom lag luam uas muaj pov thawj, thiab kev lag luam sib txawv yog cov khoom lag luam uas muaj ntawv pov thawj, thiab kev lag luam zoo nkauj dua rau kev tsim kho cov khoom lag luam ntawm cov khoom lag luam
Lub sijhawm ua haujlwm steel hlau: lub sijhawm siv tsis tau luv, thiab kev lag luam yog qhov kev thov ntau yam cuam tshuam los ntawm cov kev lag luam macroeconomic tau cuam tshuam los ntawm macroeconomic ib puag ncig thiab kev txhim kho ntawm ntau yam kev lag luam {}}
5. corrosion tsis kam
Kev Koom Tes Txog Lub Nroog Hlau: Txij li cov nkoj hauv lub nkoj marine rau lub sijhawm ntev, oxidation tsis kam tiv thaiv cov dej hiav txwv thiab kev xeb ntawm cov cua hiav txwv .
Cov yeeb nkab steel steel: yog tias siv ib puag ncig tsis muaj qhov muaj zog corrosive nruab nrab, cov corrosion tsis muaj tsawg; Yog tias siv nyob rau hauv ib qho chaw corrosive ib puag ncig, nws corrosion tsis zoo yog tsis zoo li cov neeg koom nrog kev sib koom ua ke steel hlau tsim rau cov chaw ua tub rog steel .
