Taw qhia
SA709 Weathering Steel Phaj, kuj hu uaSA709 weathering hlaulos yogxeb-resistant steel phaj, thiabA709 Steel Phajyog siab- zog, corrosion-cov hlau tsis muaj zog siv dav hauv kev tsim kho vaj tse, txuas hniav, thiab cov qauv kev lag luam.
Thaum ob leeg yogxeb-resistant steel phajkev xaiv, lawv ua raws li cov qauv sib txawv:SIB 709yog tus qauv ASTM rau Asmeskas kev tsim kho, hosA709yog North American choj steel qauv npog ntau qib.
Kev nkag siab txog qhov sib txawv pab cov engineers xaiv qhov tsim nyog tshaj plawsqis- steel turau txhua qhov project.
1. Mechanical Properties Comparison
| Qib / Txuj | Yield zog | Qhov kawg Tensile Strength | Elongation | Tej kev siv |
|---|---|---|---|---|
| SA709 Qib 36W | 250 MPa | 400-510 MPa | 21% | Cov neeg taug kev txuas hniav, teeb pom kev lag luam |
| SA709 Qib 50W | 345 MPa ua | 485-620 MPa | 20% | Kev loj choj, nruab nrab - ncua kev |
| SA709 Qib 50W HPS | 345 MPa ua | 485-620 MPa | 20% | Ntev - ncua txuas hniav, hnyav- thauj cov qauv kev lag luam |
| A709 qib 36 | 250 MPa | 400-510 MPa | 20% | Lub teeb choj, txoj kev loj |
| A709 Qib 50 | 345 MPa ua | 485-620 MPa | 19–20% | Kev loj thiab railway choj |
| A709 Qib 50W HPS | 345 MPa ua | 485-620 MPa | 20% | Ntev - ncua, siab - thauj khoom choj |
Kev soj ntsuam:
Nyob rau hauv cov nqe lus ntawm mechanical zog, cov qib sib thooj ntawmSA709 weathering hlauthiabA709 steel phajmuaj ntau yam zoo sib xws, tab sisA709 steel phajyog feem ntau hais nyob rau hauv tus qauv tsim choj.
SA709 hais txog kev tiv thaiv corrosion thiab tsis tshua muaj txij nkawm, thaum A709 hais txog kev ua raws li tus choj tshwj xeeb thiab kev nyab xeeb ntawm cov qauv.
2. Corrosion Resistance piv
| Txuj | Corrosion Resistance | Sau ntawv |
|---|---|---|
| SA709 Weathering Steel Phaj | Nruab nrab-siab heev | Ua kom ruaj khov patina, txo kev txij nkawm, haum rau hauv nroog, kev lag luam, thiab ntug hiav txwv ib puag ncig |
| A709 Steel Phaj | Nruab nrab-siab | Zoo corrosion kuj nyob rau hauv ib puag ncig ib puag ncig, tiv thaiv txheej yuav tsum tau rau cov txuas hniav |
Kev soj ntsuam:
SA709 weathering hlaumuaj qhov zoo dua corrosion kuj me ntsis thiab qis -cov yam ntxwv tu piv rau ib txwmA709 steel phaj, tshwj xeeb tshaj yog nyob rau sab nraum zoov lossis marine ib puag ncig.
3. Daim ntawv thov sib piv
SA709 Weathering Steel Phaj: Tsim nyog rau cov txuas hniav, cov tsev, thiab cov chaw muaj kev lag luam uas zoo li xeb thiab tsis tshua muaj kev saib xyuas.
A709 Steel Phaj: Feem ntau siv nyob rau hauv cov choj thiab kev tsheb ciav hlau, yuav tsum tau ua raws li cov qauv tsim qauv.
High- qib zog (50W, 50W HPS) yog tsim rau ntev - ncua thiab hnyav- thauj cov choj hauv ob qho tib si qauv.
4. Cov lus xaus
SA709 Weathering Steel Phaj / SA709 weathering steel / xeb -resistant steel phajthiabA709 steel phajyog ob qho tib si siab - lub zog choj steels, tab sis lawv qhov kev tsom xam txawv: SA709 tseem ceeb rau kev tiv thaiv corrosion thiab kev saib xyuas qis, thaum A709 tseem ceeb rau kev ua raws li cov qauv kev cai thiab kev ruaj ntseg choj.
Xaiv txoj caiqis- steel tunyob ntawm qhov project ib puag ncig, kev xav tau tshwj xeeb, thiab kev siv nyiaj txiag.