Intshayelelo
IUmbhobho we-ASTM A312 UNS S30815 253MA Stainless Steelyi-alloy yentsimbi engagqwali ye-austenitic esebenza kakhulu eyaziwa ngokuxhathisa kwayo okuphezulu kwi-oxidation yobushushu obuphezulu, ukugqwala, kunye neempawu ezibalaseleyo zoomatshini kwiindawo ezinobushushu obuphezulu.253MAYenzelwe ngokukodwa inkonzo kwiindawo ezifuna uzinzo kumaqondo obushushu aphezulu, ingakumbi kumashishini okucoca izitofu kunye nonyango lobushushu. Ukumelana kwayo okugqwesileyo nobukhulu, i-carburization, kunye ne-oxidation ngokubanzi kwenza ukuba ibe yinto ethembekileyo kwiindawo ezixineneyo.
Olu hlobo lwentsimbi engagqwaliyo lusetyenziswa kakhulu kwizicelo zoshishino ezishushu kakhulu kwaye lufanelekile kwizicelo apho zombini amandla aphezulu kunye nokumelana ne-oxidation kubalulekile.
Imigangatho kunye neenkcukacha
IUmbhobho we-ASTM A312 UNS S30815 253MA Stainless Steelyenziwe ngokwemigangatho elandelayo:
- I-ASTM A312: Inkcazo esemgangathweni yeeMbhobho zeNsimbi engenamthungo, eziWelding, neziBanda kakhulu eziSebenzayo
- I-UNS S30815: Inkqubo Yokubala Edibeneyo Yezinto Ezisetyenzisiweyo ichaza oku njengomgangatho wentsimbi engagqwaliyo ene-alloy ephezulu.
- EN 10088-2: Umgangatho waseYurophu weNtsimbi Engagqwaliyo, ogubungela iimfuno zokwakheka kwale nto, iimpawu zoomatshini, kunye novavanyo.
Ukwenziwa kweeKhemikhali(% ngokobunzima)
Ukwakheka kweekhemikhali ze253MA (UNS S30815)Yenzelwe ukubonelela ngokumelana okuhle kakhulu ne-oxidation kunye namandla obushushu aphezulu. Ulwakhiwo oluqhelekileyo lulandelayo:
| I-elementi | Ulwakhiwo (%) |
| I-Chromium (Cr) | 20.00 - 23.00% |
| I-Nickel (Ni) | 24.00 - 26.00% |
| I-Silicon (Si) | 1.50 - 2.50% |
| IManganese (Mn) | 1.00 - 2.00% |
| Ikhabhoni (C) | ≤ 0.08% |
| I-Phosphorus (P) | ≤ 0.045% |
| I-Sulfur (S) | ≤ 0.030% |
| I-nitrogen (N) | 0.10 - 0.30% |
| Intsimbi (Fe) | Ibhalansi |
Iimpawu zezinto: Iimpawu eziphambili
253MA(UNS S30815) idibanisa amandla aphezulu obushushu kunye nokumelana ne-oxidation. Oku kuyenza ilungele ukusetyenziswa kwiindawo ezishushu kakhulu, ezinje ngee-oven kunye nezitshintshi zobushushu. Le nto inomxholo ophezulu we-chromium kunye ne-nickel, inika ukumelana okuhle kakhulu ne-oxidation kumaqondo obushushu afikelela kwi-1150°C (2100°F).
Iipropati Zomzimba
- Uxinano: 7.8 g/cm³
- Indawo yokunyibilika: 1390°C (2540°F)
- Ukuqhuba kweThermal: 15.5 W/m·K kwi-100°C
- Ubushushu obuthile: 0.50 J/g·K kwi-100°C
- Ukumelana nombane: 0.73 μΩ·m kwi-20°C
- Tensile strength: 570 MPa (ubuncinci)
- Unikeze Amandla: 240 MPa (ubuncinci)
- Ukwandiswa: 40% (ubuncinci)
- Ubunzima (Rockwell B): HRB 90 (ubuninzi)
- Imodulus ye-Elasticity: 200 GPa
- Umlinganiselo kaPoisson: 0.30
- Ukumelana okugqwesileyo ne-oxidation yobushushu obuphezulu, ukulinganisa, kunye ne-carburization.
- Igcina amandla kwaye izinzile kumaqondo obushushu angaphezulu kwe-1000°C (1832°F).
- Ukumelana okuphezulu kwiindawo ezine-asidi kunye ne-alkaline.
- Ayikwazi ukumelana nokuqhekeka koxinzelelo olubangelwa yisalfure kunye nekloride.
- Iyakwazi ukumelana neemeko ezirhabaxa, nto leyo eyenza ukuba ilungele ukusetyenziswa kwiinkqubo zeekhemikhali kunye neenkqubo zoshishino ezishushu kakhulu.
Iipropati zoomatshini
Ukumelana ne-Oxidation
Ukumelana nokugqwala
Inkqubo yeMveliso: Ubuchule bokwenza izinto ngobuchule
Ukuveliswa kweIipayipi zeNtsimbi Engagqwaliyo ezingama-253MAIlandela iindlela zamva nje zemveliso ukuqinisekisa umgangatho ophezulu kunye nokuqina:
- Ukwenziwa kweMibhobho engenamthungo: Yenziwe ngenkqubo yokukhupha, ukubhoboza okujikelezayo, kunye nokwandisa ukwenza imibhobho engenamthungo enobukhulu obufanayo bodonga.
- Inkqubo Yokusebenza Ngobandayo: Iinkqubo zokutsala okanye zokuhlanjwa ngokubandayo ziyasetyenziswa ukuze kufunyanwe ubungakanani obuchanekileyo kunye nemiphezulu egudileyo.
- Unyango lobushushu: Imibhobho inyangwa ngobushushu kumaqondo athile obushushu ukuphucula iimpawu zayo zoomatshini kunye nokusebenza kobushushu obuphezulu.
- Ukukha kunye nokuPasa: Imibhobho iyacolwa ukuze kususwe iifilimu zesikali kunye ne-oxide kwaye ayifakwanga umoya ukuqinisekisa ukuba ayichaphazeleki kukugqwala okungakumbi.
Uvavanyo kunye nokuhlolwa: Uqinisekiso loMgangatho
I-Womic Steel ilandela inkqubo yovavanyo olungqongqo ukuqinisekisa umgangatho ophezuluIipayipi zeNtsimbi Engagqwaliyo ezingama-253MA:
- Uhlalutyo loBume beeKhemikhali: Kuqinisekiswe kusetyenziswa iindlela ze-spectroscopic ukuqinisekisa ukuba i-alloy iyahlangabezana nezinto ezithile.
- Uvavanyo lweMishini: Uvavanyo lokuxinana, ubulukhuni, kunye nempembelelo ukuqinisekisa ukusebenza kwezinto kumaqondo obushushu ahlukeneyo.
- Uvavanyo lwe-Hydrostatic: Imibhobho ivavanywa ukuba iqinile na ukuze kuqinisekiswe ukuba ayivuzi.
- Uvavanyo Olungonakalisiyo (NDT): Kubandakanya uvavanyo lwe-ultrasonic, i-eddy current, kunye novavanyo lwe-dye penetrant ukuze kufunyanwe naziphi na iziphene zangaphakathi okanye zomphezulu.
- Uhlolo olubonakalayo nolunemilinganiselo: Umbhobho ngamnye uhlolwa ngokubonakalayo ukuze kujongwe ukugqitywa komphezulu, kwaye ukuchaneka kobukhulu kuhlolwa ngokweenkcukacha.
Ukuze ufumane ulwazi oluthe kratya okanye isicatshulwa esenziwe ngokwezifiso, nxibelelana neWomic Steel namhlanje!
I-imeyile: sales@womicsteel.com
MP/WhatsApp/WeChat:UVictor:+86-15575100681 UJack: +86-18390957568
Ixesha leposi: Jan-08-2025