AISI P20
GENERAL
AISI P20 thiab 2738 steel hom yog feem ntau siv rau kev tsim cov yas txhaj tshuaj pwm feem ntau. Muab hais tias lub xeev tau txais txiaj ntsig (quench thiab temper) muaj cov cuab yeej zoo heev. Tshwj xeeb tshaj yog tseem ceeb rau ntu no yog zoo polishability thiab teb rau texturing. Kev tsim cov pwm loj loj tuaj yeem ua tiav tau yooj yim vim lawv cov machinability siab thiab tsis sib xws hardness hla cov ntu loj. Rau cov thicknesses ntau dua 400 hli, siv yog qhia W. Nr. 1.2738, feem ntau yog rau stainless hlau AISI P20SM 2738.O yog muaj los ntawm AISI variation tsim tshwj xeeb tshaj yog rau me me pwm, tshwj xeeb tshaj yog nrog ib tug siab tshaj plaws thickness ntawm 200 hli.
Tshuaj muaj pes tsawg leeg – C (0.36) • Si (0.50) • Mn (0.80) • Cr (1.70) • Mo (0.40) • Ni (-)
Tus me nyuam tej yam kev mob - nrog ib tug hardness ntawm kwv yees li 250 HB. Muab nyob rau hauv lub xeev quenched thiab tempered nrog ib tug hardness ntawm 28-34 HRC.
APPLICATIONS
Nws yog siv rau hauv cov yas txhaj tshuaj pwm ntawm txhua hom, tab sis nrog qis rau nruab nrab abrasiveness. Pads rau ntaus kev cob qhia. Lawv yuav tsum tsis txhob siv chlorinated yas pwm. Hauv qee qhov xwm txheej, nws tuaj yeem siv los ua cov hlau tsis muaj hlau.
Kev kho cua sov
Kev ntxhov siab: Hauv cov cuab yeej ntawm cov duab nyuaj, nrog kev tshem tawm ntawm cov khoom sib txawv hauv qhov ntxhib, hloov pauv ntawm ntu, thiab lwm yam, kev kho kev ntxhov siab yuav tsum tau ua kom txo qis qhov sib txawv. Kev kho mob yuav tsum tau ua ntawm qhov kub ntawm 550 ° C rau tsawg kawg 1 teev rau txhua 25 hli thiab tom qab ntawd txias hauv huab cua.
Tempering: Thaum cua sov thaum lub sij hawm austenitizing los ua preheating kom ntseeg tau tias qhov kub thiab txias tsis sib xws thiab txo qis kev cuam tshuam. Preheat rau qhov kub ntawm 550 ° C Austenize kub ntawm 815 - 870 ° C. Thaum tshav kub kub rau 1 teev ib 25 hli tuab thiab ntxiv 1 teev ib 25 hli. Fresh nyiam dua nyob rau hauv ib tug preheated roj ib ncig ntawm 70℃C nrog nplawm.
quenching: Nws yuav tsum tau ua tam sim tom qab quenching thaum kub txog li 70ºC. Lub quenching kub yuav tsum raug xaiv raws li qhov tshwj xeeb hardness. Rau cov hlau no zoo dua tempered ntawm 600℃C kub kom ua tiav qhov xav tau ntawm hardness, feem ntau ntawm 28 txog 33 HRC. Ua li no, siv lub tempering nkhaus hauv qab no. Khaws qhov ntsuas kub kom tsawg li 1 teev rau txhua 25 hli tuab thiab siv tsawg kawg ob zaug ntau dua tempering. Kev siv lub sijhawm tsawg kawg yog 2 teev thiab khaws cia ntawm qhov tsawg kawg ntawm ob tempering.
Txias rau 850℃C. Ob chav tempering ntawm 2 teev txhua.
Nitriding: Hlau tuaj yeem ua nitrided kom hnav tsis kam los ntawm kev ua kom tawv tawv. Nitriding tej zaum yuav los yog tsis muaj qhov tsim ntawm txheej dawb, tab sis lub xub ntiag ntawm txheej dawb yuav impart zoo hnav tsis kam.
Qhov siab tshaj plaws hardness tom qab nitriding yog nyob rau hauv thaj tsam ntawm 900 - 1000HV, nyob ntawm seb qhov pib hardness tom qab ua.
Cim npe nrov: aisi p20, tus neeg muag khoom, customized, lag luam wholesale, pheej yig, luv nqi, daim ntawv teev npe, tus nqi qis, hauv Tshuag, dawb qauv
