AISI 4140 Steel 1.7225 42CrMo4 SCM440

I-AISI 4140 i-Alloy Steel yintsimbi eqhelekileyo ye-chromium-molybdenum edla ngokusetyenziswa emva kokucinywa nokuqunjelwa, ngokuqina okuphezulu, ukuqina okuphezulu. I-alloy 4140 plate nayo inamandla aphezulu okudinwa kunye nefuthe elihle lobushushu obuphantsi.

I-Gnee inenzuzo enkulu kwi-4140 yentsimbi yepleyiti:

• I-1500+ yeetoni zesitokhwe semihla ngemihla se-4140 ipleyiti ye-alloy okanye ibha yeflethi.
• I-Hot rolled / i-annealed / Q+T (PH eqiniswe kwangaphambili) imeko ekhoyo.
• Ukutyeba 4-300mm kufumaneka kwiintsuku ezi-1-3 ngenqanawa.
• Ukutyeba 1-10mm ishidi eliqengqelekayo elibandayo kangangeentsuku ezingama-30.
• Sika kububanzi & usike kubude benkonzo ekhoyo.
• Isebenza ngomatshini ukunyamezela kunye noburhabaxa inkonzo ekhoyo.

Xa uxoxa nge-AISI 4140, kubalulekile ukuqonda ukuba lithetha ukuthini inani lebakala:

I-AISI 4140 yenziwa ngokubeka i-iron, i-carbon, kunye nezinye i-alloying elements kwiziko lombane okanye i-oxygen. Izinto eziphambili zokudibanisa ezongeziweyo kwi-AISI 4140 zezi:

• Chromium
• IManganese
• Molybdenum

Emva kokuba i-iron, i-carbon, kunye nezinye izinto ezixutywayo zixutywe kunye kwifom ye-liquid, ivumelekile ukuba ipholile. Intsimbi inokuthi emva koko ifakwe; amaxesha amaninzi.

Emva kokuba i-annealing igqityiwe, intsimbi ifudunyezwa kwisigaba esityhidiweyo kwakhona ukuze igalelwe kwifom efunwayo kwaye ingaba shushu isetyenzwe okanye ibanda ngokusebenza ngeerola okanye ezinye izixhobo zokufikelela kubukhulu obufunwayo. Ewe kunjalo, kukho eminye imisebenzi ekhethekileyo enokuthi yongezwe kule nto ukunciphisa isikali sokusila okanye ukuphucula iipropathi zoomatshini.

I-AISI 4140 yintsimbi ephantsi ye-alloy. Iintsimbi ze-alloy eziphantsi zixhomekeke kwezinye izinto ngaphandle kwentsimbi kunye nekhabhoni ukuphucula iimpawu zabo zoomatshini. Kwi-AISI 4140, izongezo zechromium, i-molybdenum, kunye ne-manganese zisetyenziselwa ukunyusa ukomelela kunye nokuqina kwentsimbi. Ukongezwa kwe-chromium kunye ne-molybdenum kutheni i-AISI 4140 ithathwa njengensimbi "ye-chromoly".

Kukho izinto ezininzi ezibalulekileyo zoomatshini be-AISI 4140, kubandakanya:

• Amandla Okuqina: I-AISI 4140 yentsimbi ikholisa ukuba nethagethi egqibeleleyo yamandla okuqina amalunga ne-95,000 psi.
• Ukuqina
• I-Ductility
• Ukuba lukhuni

Itheyibhile engezantsi igxininisa ukwakheka kweekhemikhali ze-AISI 4140:

Ukongezwa kwe-chromium kunye ne-molybdenum kukhuthaza ukuxhathisa ukubola. I-molybdenum inokuba luncedo ngakumbi xa uzama ukuxhathisa ukubola ngenxa yekloridi. I-manganese kwi-AISI 4140 isetyenziselwa ukunyusa ukuqina kunye ne-deoxidizer. Kwiintsimbi ze-alloy, i-manganese inokudibanisa kunye ne-sulfure ukuphucula ubuchule kunye nokwenza inkqubo ye-carburizing isebenze ngakumbi.