Kev Taw Qhia
LubASTM A312 UNS S30815 253MA Cov Yeeb Nkab Hlau Tsis Muaj Hlauyog ib qho kev ua tau zoo austenitic stainless hlau alloy uas paub txog nws qhov kev tiv taus zoo rau qhov kub siab oxidation, corrosion, thiab cov khoom siv kho tshuab zoo heev hauv qhov chaw kub siab.253MAyog tsim tshwj xeeb rau kev pabcuam hauv cov ntawv thov uas xav tau kev ruaj khov kub siab, tshwj xeeb tshaj yog hauv cov chaw ua kom sov thiab kev kho cua sov. Nws qhov kev tiv taus zoo rau kev scaling, carburization, thiab kev oxidation dav dav ua rau nws yog cov khoom siv txhim khu kev qha rau cov chaw ib puag ncig hnyav.
Cov hlau tsis xeb no siv dav hauv kev siv hauv kev lag luam kub thiab zoo tagnrho rau cov ntawv thov uas ob qho tib si lub zog siab thiab kev tiv taus oxidation yog qhov tseem ceeb.
Cov Qauv thiab Cov Lus Qhia Tshwj Xeeb
LubASTM A312 UNS S30815 253MA Cov Yeeb Nkab Hlau Tsis Muaj Hlauyog tsim tawm raws li cov qauv hauv qab no:
- ASTM A312Cov Qauv Txheem rau Cov Kav Hlau Austenitic Stainless Steel uas Tsis Muaj Qhov Txuas, Sib Txuas, thiab Txias Ua Haujlwm Hnyav
- UNS S30815: Lub Unified Numbering System rau Cov Khoom Siv txheeb xyuas qhov no ua qib high-alloy stainless hlau.
- EN 10088-2: Tus Txheej Txheem European rau Cov Hlau Stainless, uas suav nrog cov kev cai rau cov khoom siv no, cov khoom siv kho tshuab, thiab kev sim.
Cov Tshuaj Lom Zem(% los ntawm qhov hnyav)
Cov tshuaj lom neeg muaj pes tsawg leeg ntawm253MA (UNS S30815)yog tsim los muab kev tiv taus zoo heev rau oxidation thiab lub zog kub siab. Cov khoom sib xyaw ua ke yog raws li nram no:
| Khoom | Cov khoom xyaw (%) |
| Chromium (Cr) | 20.00 - 23.00% |
| Nickel (Ni) | 24.00 - 26.00% |
| Silicon (Si) | 1.50 - 2.50% |
| Manganese (Mn) | 1.00 - 2.00% |
| Cov pa roj carbon (C) | ≤ 0.08% |
| Phosphorus (P) | ≤ 0.045% |
| Sulfur (S) | ≤ 0.030% |
| Nitrogen (N) | 0.10 - 0.30% |
| Hlau (Fe) | Qhov Nyiaj Tshuav |
Cov Khoom Siv: Cov Yam Ntxwv Tseem Ceeb
253MA(UNS S30815) ua ke lub zog kub zoo heev nrog kev tiv thaiv oxidation. Qhov no ua rau nws zoo tagnrho rau kev siv hauv qhov chaw kub heev, xws li lub cub tawg thiab cov khoom sib pauv cua sov. Cov khoom siv muaj cov chromium thiab nickel siab, muab kev tiv thaiv zoo rau oxidation ntawm qhov kub txog li 1150 ° C (2100 ° F).
Cov Khoom Siv Lub Cev
- Qhov Ceev7.8 g/cm³
- Qhov Kub YajKub: 1390°C (2540°F)
- Kev Ua Kub: 15.5 W/m·K ntawm 100°C
- Kub Tshwj Xeeb: 0.50 J/g·K ntawm 100°C
- Kev Tiv Thaiv Hluav Taws Xob: 0.73 μΩ·m ntawm 20°C
- Lub zog tensile: 570 MPa (yam tsawg kawg nkaus)
- Lub Zog Tawm: 240 MPa (yam tsawg kawg nkaus)
- Kev ntev: 40% (yam tsawg kawg nkaus)
- Qhov nyuaj (Rockwell B): HRB 90 (siab tshaj plaws)
- Modulus ntawm Elasticity: 200 GPa
- Poisson qhov piv: 0.30
- Zoo heev tsis kam rau oxidation, scaling, thiab carburization kub.
- Khaws lub zog thiab daim ntawv ruaj khov ntawm qhov kub tshaj 1000 ° C (1832 ° F).
- Kev tiv thaiv zoo rau cov kua qaub thiab alkaline ib puag ncig.
- Tiv taus cov sulfur thiab chloride-induced kev ntxhov siab corrosion cracking.
- Muaj peev xwm tiv taus cov chaw ib puag ncig uas muaj kev kub ntxhov, ua rau nws zoo tagnrho rau kev siv hauv kev ua tshuaj lom neeg thiab cov txheej txheem kev lag luam kub siab.
Cov Khoom Siv Kho Tshuab
Kev Tiv Thaiv Oxidation
Kev Tiv Thaiv Kev Xeb
Cov Txheej Txheem Tsim Khoom: Kev Ua Tes Ua Taw rau Kev Ua Kom Tseeb
Kev tsim khoom ntawm253MA Cov Kav Hlau Stainlessua raws li cov txheej txheem tsim khoom tshiab tshaj plaws kom ntseeg tau tias muaj txiaj ntsig zoo thiab ruaj khov:
- Kev Tsim Cov Yeeb Nkab Seamless: Tsim los ntawm kev rho tawm, kev tho qhov tig, thiab cov txheej txheem elongation los tsim cov kav dej seamless nrog cov phab ntsa tuab sib npaug.
- Cov Txheej Txheem Ua Haujlwm Txias: Cov txheej txheem kos duab txias lossis cov txheej txheem pilgering yog siv los ua kom tiav qhov ntev thiab cov nplaim du.
- Kev Kho Mob KubCov kav dej raug kho cua sov ntawm qhov kub tshwj xeeb kom txhim kho lawv cov khoom siv kho tshuab thiab kev ua haujlwm kub siab.
- Kev Ua Kua Txob thiab Kev Ua Kom Tsis Txhob MobCov kav dej raug pickled kom tshem tawm cov nplai thiab oxide zaj duab xis thiab passivated kom ntseeg tau tias tiv taus corrosion ntxiv.
Kev Kuaj thiab Kev Tshuaj Xyuas: Kev Pov Hwm Zoo
Womic Steel ua raws li cov txheej txheem kuaj xyuas nruj kom ntseeg tau tias qhov zoo tshaj plaws rau253MA Cov Kav Hlau Stainless:
- Kev Tshuaj Xyuas Txog Cov Tshuaj Lom Zem: Txheeb xyuas siv cov txheej txheem spectroscopic kom paub tseeb tias cov hlau sib xyaw ua raws li cov khoom sib xyaw tshwj xeeb.
- Kev Ntsuas Tshuab: Kev sim tensile, hardness, thiab impact kom paub tseeb tias cov khoom ua tau zoo ntawm ntau qhov kub thiab txias.
- Kev Ntsuas Hydrostatic: Cov kav dej raug kuaj xyuas seb puas ruaj khov rau lub zog siab kom ntseeg tau tias tsis muaj qhov xau.
- Kev Ntsuas Tsis Ua Rau Puas Tsuaj (NDT): Xws li kev kuaj ultrasonic, eddy current, thiab dye penetrant kom paub txog tej qhov tsis zoo sab hauv lossis qhov chaw.
- Kev Tshuaj Xyuas Pom thiab Qhov Loj: Txhua lub yeeb nkab raug kuaj xyuas kom pom qhov tiav ntawm qhov chaw, thiab qhov tseeb ntawm qhov ntev raug kuaj xyuas raws li cov lus qhia.
Yog xav paub ntxiv lossis xav tau tus nqi tshwj xeeb, hu rau Womic Steel hnub no!
Email: sales@womicsteel.com
MP/WhatsApp/WeChat:Victor: +86-15575100681 Jack: +86-18390957568
Lub sijhawm tshaj tawm: Lub Ib Hlis-08-2025