SPA-H weathering tšepe sekoti karolo, Corden Steel poleiti
1. Tlhaloso e bonolo:
SPA-Htšepe ea boemo ba leholimo, eo hape e tsejoang ka hore ke tšepe ea atmospheric corrosion-resistant, e bolela mofuta oa mofuta o tlase.motsoakotshepe e matla haholo
e nang le likarolo tse nyane tsa alloying, theko e tlase, le khanyetso e ntle ea kutu sepakapakeng. Ka sehloohong alloying
likarolo ke Cu, P, Cr, Ni, Si, Mn, V, RE, joalo-joalo Nakong ea tšebeliso ea tšepe ea leholimo, filimi e sireletsang le e tiileng e tiileng ea
lihlahisoa tsa kutu li tla theha butle-butle holim'a metsi ho thibela oksijene, metsi le lisebelisoa tse ling tse senyang sepakapakeng ho tloha
ka ho eketsehileng ho senya substrate, e le hore sekhahla sa kutu se fokotsehe haholo ha se bapisoa le tšepe ea carbon. . Ka lebaka la matla a eona a phahameng le
theko e utloahalang, litšenyehelo tsa tlhahiso li tlaase haholo ho feta tšepe e sa hloekang. Tekanyetso ea tsamaiso ea SPA-H ke: JISG3125-2015.
2. Sebopeho sa Lik'hemik'hale:
| Kereiti | Sebopeho sa Lik'hemik'hale (%) | |||||||
| C | Si | Mn | P | S | Cu | Cr | Ni | |
| SPA-H | ≤0.12 | 0.2-0.75 | ≤0.60 | 0.07-0.15 | ≤0.035 | 0.25-0,55 | 0.30-1,25 | ≤0.65 |
| Q235NH | ≤0.13 | 0.1-0.4 | 0.2-0.6 | ≤0.030 | ≤0.030 | 0.25-0,55 | 0.4-0.8 | ≤0.65 |
| Q355NH | ≤0.16 | 0.5 | 0.5-1.5 | ≤0.030 | ≤0.030 | 0.25-0,55 | 0.4-0.8 | ≤0.65 |
| Q450NQR1 | ≤0.12 | 0.4 | 0.7-1.5 | ≤0.02 | ≤0.08 | 0.25-0.45 | 0.4-0.9 | 0.05-0.4 |
3. Thepa ea Mechini
| Kereiti | Thepa ea Mechini | ||
| Matla a Kotulo (N/mm2)/(Mpa) | Matla a ho Tsitsisa (N/mm2)/(Mpa) | Elongtation (%) | |
| SPA-H | 355 | 490 | ≥22 |
| Q235NH | ≥235 | 360-510 | ≥23 |
| Q355NH | 355 | 490-630 | ≥20 |
| Q450NQR1 | 345 | 470-630 | ≥21 |
4. Kopo:
1) SPA-H ke tšepe ea boemo ba leholimo bakeng sa ho lokisa setshelo, ho seha le ho tjheseletsa. SPA-H e sebelisoa haholo bakeng sa lijana tsa likepe,
marokho a tšepe, likepe le litanka ho thibela ho bola ha sepakapaka.
2) SPA-H steeling weathering e sebelisoa haholo ho etsa lijana. Indasteri ea lipalangoang tsa lijana e na le nalane ea ho feta
Lilemo tse 50 lefatšeng. Lilemong tse 30 tse fetileng, lipalangoang tsa naha ea heso li ne li ntse li se na letho. Ho tloha ka phetoho le ho bula, naha ea heso
kaho ea boema-kepe le lipalangoang tsa lijana li tsoetse pele ho ntlafala. Haholo-holo lilemong tsa morao tjena, sechaba sa machaba se tobane le
boemo ba “setshelo se le seng se fumaneha ka thata.
5. Molao-motheo oa ho hanyetsa Corrosion:
Ha tšepe e pepesehetse mahlaseli a letsatsi le moea, ho hanyetsa ha eona ho bohlokoa ka ho khetheha. Ka mor'a ho eketsa phosphorus, koporo, chromium,
nickel le likarolo tse ling tsa trace ho tšepe, filimi e sireletsang le e matla e tla thehoa holim'a thepa ea koporo,
e ka bapala karolo e itseng ea tšireletso.
6. Setšoantšo:
7. Delivery and Container Loading:
8. Sephutheloana:
9. Kereiti e amanang (Steel Plate):
B480GNQR、Q450NQR1、09CuPCrNi-A、SPA-H、Q550NQR1、09CUP、COR-TEN、 cortenA、corten-B;05CuPCrNi B450NQ B800NQ;
Q235NH、Q295NH、Q295GNHJ、Q295GNH、Q345GNHJ、Q345GNHLJ、Q345GNH、Q310GNHJ、Q310GNHLJ、Q355NH、460NH、Q460NH）
集装箱板Q295GNHJ、Q345GNHLJ 、Q345GNHJ;
焊接结构用耐候钢 16CuCr、12MnCuCr、15MnCuCr、15MnCuCr—QT;16MnR(HIC),08Cu,16MnCu, St37-3Cu3, A588M(A.,B2B,C-MCL-MCL),KMTE
10CrMoAL, 16CuCr, 12MnCuCr, 15MnCuCr, 15MnCuCr-QT, 09CuPCrNi, SMA400(AW,BW,CW),A588,A570, SMA400(AP,BP,CP), SMA490(AW),
SMA490(AP,BP,CP), SMA570W,SMA570P,Fe235W,Fe355W, WR50B,WR50C, Q345R(HIC),Q235NH(16CuCr), Q275NH,12MnCuCr,Q355NH,15MnCuCr;
Q460NH,15MnCuCr-QT.
