Intshayelelo
II-ASTM A312 ayi-S30815 2531 pha intambo yentsimbiNgaba i-Austitic eSebenza kakhulu i-Alofatic Staight Alovey eyaziwa ngokuba kukunganyangeki kweqondo lokuhlawula i-oxidotion, ukusulelwa, kunye neempawu eziphezulu zobushushu.I-253MAYenzelwe ngokukodwa inkonzo kwizicelo ezifuna uzinzo lobushushu obuphezulu, ngakumbi kwimizi yendawo kunye nemizi-mveliso yonyango lobushushu. Ukuchasana nokuchaswa kwayo okubalaseleyo ekutywithi, ukuphathwa kwenkathalo, kunye nokuxinana ngokubanzi kwenza ukuba kube yimpahla ethembekileyo yeemeko ezigqithileyo.
Eli nqanaba lensimbi engenasimo lisetyenziswa ngokubanzi kwizicelo eziphakamileyo zendlela yobushushu kwaye ilungele ukusetyenziswa apho omatshini ophakamileyo kunye nokuchasana kwe-oxidation kuyabaluleka.
Imigangatho kunye neeNgcaciso
II-ASTM A312 ayi-S30815 2531 pha intambo yentsimbiyenziwe ngokwemigangatho elandelayo:
- I-ASTM A312: Ukucaciswa komgangatho wokufumana i-wangded, i-weldided, kwaye isebenza kakuhle imibhobho yentsimbi engenasitayile
- A30815Inkqubo yenani elinamanzi ezixhobo zichonga oku njengenqanaba lentsimbi eliphakamileyo elingenakwensi.
- En 10088-2: Umgangatho we-European wensimbi engenalo intsimbi, efikelela iimfuno zokubekwa kwezinto, iipropathi zoomatshini, kunye novavanyo.
Ukwakhiwa kweekhemikhali(% ngokobunzima)
Ukwakhiwa kweekhemikhaliI-253ma (i-S30815)yenzelwe ukumelana nokuxhathisa okugqwesileyo kwi-oxidation kunye namandla amaqondo obushushu aphezulu. Ukuqulunqwa okuqhelekileyo oku kulandelayo:
| Into | Ukuqulunqwa (%) |
| I-Chromium (cr) | 20.00 - 23,00% |
| I-nickel (nI) | I-24,00 - 26.00% |
| I-Silicon (Si) | 1.50 - 2.50% |
| Manganese (Mn) | 1.00 - 2.00% |
| Ikhabhoni (c) | ≤ I-0.08% |
| Phosphorus (p) | I-0.045% |
| I-Sulfur (s) | ≤ I-0.030% |
| I-nitrogen (n) | I-0.10 - 0.30% |
| Intsimbi (Fe) | Ibhalansi |
Iipropathi zezinto ezibonakalayo: Iimpawu eziphambili
I-253MA. Oku kwenza ukuba ilungele ukusetyenziswa kwiindawo ezixineneyo, ezinjengeziko kunye nezixhobo zobushushu. Izinto ezine-chromium ephezulu kunye nomxholo we-nickel, zinika ukumelana ngokuchaseneyo kwi-oxidation kwi-1150 ° C (2100 ° F).
Iipropathi zomzimba
- Ukuxinana: 7.8 g / cm³
- Indawo yokunyibilika: 1390 ° C (2540 ° F)
- Ukuqhubela phambili kwe-thermal: 15.5 w / m · k nge-100 ° C
- Ubushushu obuthile: 0.50 j / g · k kwi-100 ° C
- Ukunganyange kombane: 0.73 μ nge-20 ° C
- Tensile strength: 570 MPA (ubuncinci)
- Unikeze Amandla: I-240 MPA (ubuncinci)
- I-elongwation: 40% (Ubuncinci)
- Ubunzima (i-rockwell b): Hrb 90 (ubuninzi)
- Imodyuli ye-elasticy: 200 gpa
- Umyinge wePoisson: 0.30
- Ukuxhathisa kakhulu kwiqondo lokugcina i-oxidation, ukuphilisa kunye nokuphathwa kwenkathalo.
- Gcina amandla kunye nokuzinza kumaqondo obushushu ngaphezulu kwe-1000 ° C (1832 ° F).
- Ukungaxhathisi okuphezulu kwi-acidic kunye ne-alkaline.
- Ukunganyangeki kwi-sulfure kunye ne-chloride-ye-chloride
- Inokukhulisa imimandla enoburharha, yenze ukuba ilungele ukusetyenziswa kwiikhemikhali zekhemikhali kunye neenkqubo zeqondo lokuhlala eliphakamileyo.
Iipropathi zoomatshini
Ukunganyangeki kwe-oxidation
Ukunganyangeki
Inkqubo yemveliso: Ubugcisa bokuchaneka
Ukwenziwa kweImibhobho yentsimbi engenantoIlandela iindlela zemveliso zamva nje zokuqinisekisa umgangatho ophezulu kunye nokuqina:
- Ukuvelisa umbhobho wepayi: Iveliswe nge-Extriusishoon, ukubhoboza ngokujikeleza, kunye neenkqubo ze-elongngetion ukudala imibhobho engaxinanga kunye nobungqingqwa bodonga obungalinganiyo.
- Inkqubo yokusebenza ebandayo: Ukuzoba okubandayo okanye iinkqubo zokuqhubela phambili kuyaqeshwa ukufezekisa ubukhulu obuchanekileyo kunye nendawo egudileyo.
- Unyango lobushushu: Imibhobho isebenza unyango lobushushu kwiqondo lobushushu elithile lokuphucula iipropathi zabo zoomatshini kunye nokusebenza kobushushu obuphezulu.
- Ukukhetha kunye nokudlula: Imibhobho ikhutshelwa ukuba isuse izikali kunye neefilimu ze-oxide kwaye igqitywe ukuqinisekisa ukunyangwa kokuqhubeka nokuvela.
Uvavanyo kunye nokuhlolwa: Qinisekisa ngomgangatho
I-WEMIC yentsimbi ilandela iprotocol yovavanyo olungqongqo ukuqinisekisa ukuba lolona nqanaba luphezulu lweImibhobho yentsimbi engenanto:
- Uhlalutyo lwekhemikhali: Iqinisekisiwe isebenzisa iindlela ze-spectroscopic ukuqinisekisa ukuba i-alloy ihlangabezana neengoma ezichaziweyo.
- Uvavanyo loMatshini: Uxinizelelo, ubunzima, kunye novavanyo lwempembelelo yokuqinisekisa ukusebenza kwezixhobo kubushushu obahlukeneyo.
- Uvavanyo lwe-hydrostatic: Imibhobho ivavanyelwa isimo soxinzelelo ukuqinisekisa ukusebenza simahla.
- Uvavanyo olungenakumbi (i-NDT): Kubandakanya i-ultrasonic, eddy yangoku, kunye ne-Dye Pringer Uvavanyo lokufumana nayiphi na isiphene esingaphakathi okanye somphezulu.
- Uvavanyo olubonakalayo nolwakhiwo: Umbhobho ngamnye uhlolwe ngokugqibeleleyo komgangatho, kwaye ukuchaneka komgangatho kutshekishwa kuthelekiswa neenkcazo.
Ngolwazi oluthe kratya okanye isicatshulwa esiqhelekileyo, nxibelelana nentsimbi ye-Woma namhlanje!
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IXESHA LOKUQALA: UJan-08-2025