Njengoko sonke sisazi, izinto zokuqhotyoshwa kwensimbi engenasici zihlelwa zibe yintsimbi ye-austenitic, intsimbi ye-ferritic kunye ne-martensitic stainless steel.
Amabakala eebholiti zensimbi ezingenasici ahlulwe abe ngama-45, 50, 60, 70, kunye nama-80. Izinto eziphathekayo zihlulwe kakhulu zibe yi-austenite A1, A2, A4, martensite kunye ne-ferrite C1, C2, kunye neC4. Indlela yayo yokubonakalisa ifana ne-A2-70, ngaphambi nasemva kwe- "--" ngokulandelelana ibonisa i-bolt material kunye nenqanaba lamandla.
1.Ferritic Stainless Steel
(15% -18% Chromium) -Insimbi ye-Ferritic engenasici inamandla obunzima be-65,000 - 87,000 PSI. Nangona isaxhathisa ekudlekeni, ayikhuthazwa ukuba isetyenziswe kwiindawo apho umhlwa unokuvela khona, kwaye ilungele izikrufu zentsimbi engatyiwayo ezinokuxhathisa umhlwa nokuxhathisa ubushushu, kunye neemfuno zamandla ngokubanzi. Esi sixhobo asikwazi ukuphathwa ngobushushu. Ngenxa yenkqubo yokubumba, imagnetic kwaye ayifanelekanga ukubethelwa. amabakala Ferritic ziquka: 430 kunye 430F.
2.Martensitic Stainless Steel
(12% -18% Chromium) - Intsimbi ye-Martensitic ithathwa njengentsimbi yamagnetic. Inokuphathwa ubushushu ukwandisa ubulukhuni bayo kwaye ayikhuthazwa ukuba i-welding. Iintsimbi ezingenasici zolu hlobo zibandakanya: 410, 416, 420, kunye ne-431. Banamandla okuqina phakathi kwe-180,000 kunye ne-250,000 PSI.
Uhlobo lwe-410 kunye noHlobo lwe-416 lunokuqiniswa ngonyango lokushisa, ngobunzima be-35-45HRC kunye nokucwangciswa kakuhle. Ziyakwazi ukumelana nobushushu kunye nezikhonkwane zentsimbi engenakutyiwa kwi-corrosion ngeenjongo eziqhelekileyo. Uhlobo lwe-416 lunomxholo wesulfure ophezulu kancinci kwaye yintsimbi ecocekileyo enokusika ngokulula. Uhlobo lwe-420, olunomxholo wesulfure we-R0.15%, luphucule iimpawu zomatshini kwaye lunokomelezwa ngonyango lobushushu. Ixabiso eliphezulu lobulukhuni li-53-58HRC. Isetyenziselwa izikrufu zensimbi ezingenasici ezifuna amandla aphezulu.
3.Austenitic Stainless Steel
(15% -20% i-chromium, i-5% -19% i-nickel) - Iintsimbi ze-Austenitic ezingenasici zinokumelana okuphezulu kwe-corrosion kweentlobo ezintathu. Le klasi yensimbi engenasici ibandakanya amabakala alandelayo: 302, 303, 304, 304L, 316, 321, 347, kunye ne-348. Kwakhona banamandla okuqina phakathi kwe-80,000 - 150,000 PSI. Ingaba i-corrosion resistance, okanye iimpawu zayo zomatshini ziyafana.
Uhlobo lwe-302 lusetyenziselwa izikrufu zoomatshini kunye neebholiti zokuzibetha.
Uhlobo lwe-303 Ukuze kuphuculwe ukusebenza kokusika, inani elincinci lesulfure lifakwe kwi-Type 303 yensimbi engenasici, esetyenziselwa ukucubungula amantongomane kwi-bar stock.
Uhlobo lwe-304 lufanelekile ukusetyenzwa kwe-screws zensimbi engenasici ngenkqubo eshushu yesihloko, njengeebholiti ezichaza ixesha elide kunye neebholiti ezinkulu zedayamitha, ezinokudlula umda wenkqubo yesihloko esibandayo.
Uhlobo lwe-305 lulungele ukusetyenzwa kwezikrufu zentsimbi engenasici ngenkqubo yesihloko esibandayo, njengamandongomane akhiwe ngokubanda kunye neebholiti ezine-hexagonal.
Iintlobo ze-316 kunye ne-317, zombini ziqulethe i-alloying element Mo, ngoko ke amandla abo okushisa aphezulu kunye nokumelana nokubola kuphezulu kune-18-8 yensimbi engenasici.
Uhlobo lwe-321 kunye noHlobo lwe-347, Uhlobo lwe-321 luqulethe i-Ti, i-alloying element ezinzileyo, kwaye Uhlobo lwe-347 luqukethe i-Nb, ephucula ukuchasana kwe-corrosion ye-intergranular yezinto. Ifanelekile kwiindawo ezisemgangathweni zensimbi ezingenasici ezingafakwanga emva kwe-welding okanye zisebenza kwi-420-1013 °C.
Ixesha lokuposa: Jul-18-2023
