440C oo bir bir ah
Sharraxaadda Gaaban:
440C oo bir aan sal lahayn oo bir-qaadka ah waa bir yar oo bir-bir ah oo loo yaqaan 'steernsitic'
Birta birta ah ee birta ah 440c baararka:
440C oo bir ah oo birta ah ayaa lagu adkayn karaa in la gaaro heerar sare oo adag, sida caadiga ah qiyaastii 58-60 HRC (Rockwell Famields-ka 'ee' Rockwell ', oo lagu garto inuu sameeyo waxyaabaha kaarboon-biyoodka ah, caadi ahaan ku dhawaad 0.60-1.20-120% , iyo iska caabin dhexdhexaad ah oo dhexdhexaad ah. Waxay bixisaa iska caabbinta qalooca wanaagsan ee jawiga khafiifka ah. Waa wax iska caabin ah oo ka sii adkaysata kuwa kale ee kaarboonka sare sababtuna tahay koromomium-ka ay sabab u tahay bir-qabadkeeda.
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Faahfaahinta 440c bar:
Heer u qaybin | 440A, 440b |
Caadi ah | ASTM A276 |
Sagxad | kulul oo la duubay, oo la nadiifiyey |
Cilmi farsamo | Been abuur ah |
Dherer | 1 ilaa 6 mitir |
Teeb ku qorid | Wareegsan, labajibbaaran, hex (a / f), leydi, biillet, ingot, oo la cafiyo iwm. |
Dulqaad | ± 0.5mm, ± 1.0mm, ± ± 2.0mm, ± ± 3.0mm ama sida ay u egtahay macaamiisha |
Xiidh ceyriin ah | Posco, baistal, Tisco, saky bir, barokokumpu |
Fasalka u dhigma ee A276 Birta Steel ee Steels Star 440c baararka:
Caadi ah | Werkkstoff nr. | Aan ammaan lahayn | Jalis |
Ss 440c | 1.4125 | S44004 | Sus 440c |
Halabuurka kiimikada ee S44004 Bar:
Heer u qaybin | C | Mn | P | S | Si | Cr | Mo |
440c | 0.95-1.2020 | 1.0 | 0.040 | 0.030 | 1.0 | 16.0-18.0 | 0.75 |
Guryaha farsamada ee 440c oo bir bir ah:
Teeb ku qorid | Shardi | Dhammayn | Dhexroor ama dhumuc, gudaha. [FMM] | Adag HBW |
440c | A | Dhamaadka kulul, qabow-qabow | kulli | 269-285 |
S44004 Imtixaanka UT ee Steel Back-ka ee birta:
Heerka Tijaabada: EN 10308: 2001 tayada tayada 4
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Tilmaamaha & Faa'iidooyinka:
•Kadib daaweynta ku habboon ee kuleylka ah, 440c bir aan bir lahayn ayaa gaari kara heerar sare oo adag, caadi ahaan inta u dhexeysa 58-60 HRC, taasoo ka dhigeysa mid ku habboon codsiyada u baahan adag.
•Sababta oo ah kaarboonkeeda oo aad u sarreeya iyo guryaha kuleylka kuleylka ee aadka u fiican, 440c bir aan caadi ahayn ayaa muujinaya iska caabbinta wanaagsan, taasoo ku habboon codsiyada kala duwan sida aaladaha goynta, sida caadiga ah, iwm.
•In kasta oo aan loo adkaysan karin maadaama ay yihiin stenitimic-ka aan cillad lahayn (tus.
•440C oo bir aan sal lahayn ayaa si wax ku ool ah loogu dawayn karaa xaaladaha ku habboon si loo daboolo shuruudaha kala duwan ee qaybta. Si kastaba ha noqotee, sababtuna tahay adkaata iyo xooggiisa, mashiinnada ayaa laga yaabaa inay si dhib yar u adkaan karto oo ay u baahan tahay hanaanno mashiinno yar yar iyo aalado.
•440C oo bir aan dhiig lahayn ayaa muujinaya xasillooni heerkul sare ah oo heer sare ah, iyadoo la ilaalinayo adag oo ay u xidho cadaanyo xaaladaha heerkulka ee kor loo qaaday, taasoo ku habboon codsiyada jawiga heerkulka sare ah.
•Sifooyinka farsamada ee 440c bir oo birta ah ayaa lagu hagaajin karaa iyada oo loo marayo daaweynta kuleylka, sida adkaanta, xoogga, iyo adkaanta, si loo buuxiyo shuruudaha arjiga gaarka ah.
Maxaad u dooratay?
•Waxaad ka heli kartaa sheyga kaamil ah iyadoo loo eegayo shuruudahaaga qiimaha ugu yar ee suurogalka ah.
•Waxaan sidoo kale bixinnaa dib-u-habeyn, FOB, CFR, CIF, iyo albaab ilaa qiimaha gudbinta. Waxaan kugula talineynaa inaad wax ka qabato dhoofinta oo aad u dhaqaale ahaan.
•Qalabka aan bixinno waa gabi ahaanba la xaqiijin karo, sax ka ah shahaadada imtixaanka iibiyaha ee ceyriinka ah ee bayaanka cabirka ugu dambeeya.
•Waxaan dammaanad ka qaadnaa inaan jawaabno ka bixinno 24hours (badiyaa isla saacad)
•Bixi Warbixinta SGS Tuv.
•Waxaan si buuxda ugu heellan nahay macaamiisheenna. Haddii aysan suuragal ahayn in la daboolo shuruudahaaga ka dib markii la baaro dhammaan xulashooyinka, kuma qaldami doonno sameynta ballanqaadyo been ah oo abuuraya xiriir been abuur ah oo abuuraya xiriir macaamiisha wanaagsan.
•Bixi adeeg hal-joog ah.
Waa maxay 440C oo bir bir ah?
440C STELN aan birta la dhigto waxay bixisaa isku-dheelitirka wanaagsan ee caabbinta caabbinta iyo is-caabbinta ee dhexdhexaad ah ee jawiga khafiifka ah, oo leh adkeyn heer sare ah. Waxay la wadaageysaa waxyaabaha ay la eg yihiin 440b fasalka oo yar laakiin waxay leedahay kaararka kaarboonka waxyar ka sareeya, taasoo dhalisay si adag oo adag laakiin iska caabbinta waxyar oo yaraatay marka loo eego 440b. Waxay ku guuleysan kartaa si adag ilaa 60 Rockwell HRC oo ay ka hortagto jawiga jawiga farshaxanka ee caadiga ah iyo khafiifka ah, iyadoo iska caabbinta ugu fiicneyn lagu gaadhsiiyo qiyaastii 400 ° C heerkulka qaboojiyaha. Diyaarinta dusha sare waxay muhiim u tahay iska caabinta ugu wanaagsan ee iska caabbinta, taasoo lagama maarmaan u ah saarida cabirka, saliidaha, walxaha shisheeyaha, iyo jaakadaha. Waxyaabaha kaarboon ee sare ayaa u oggolaanaya mashiinka la mid ah dhibcaha xawaaraha sare ee xawaaraha sare.
440cc oo bir bir ah oo bir ah oo bir ah:
440c oo baararka wareega ah ee birta ah ayaa si weyn loogu isticmaalaa samaynta mindi, fulinta, aaladaha suunka, halka ay u cadaanyaan iska caabbinta, iyo iska caabbinta is-caabbinta, oo ka dhigaya xulashooyinka ugu habboon ee qaybaha muhiimka ah ee u baahan waxqabadka iyo cimri dheer ee muddada-dheer.
Alxamida salka birta ah ee birta ah 440c:
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Sababo la xiriira adkaankeeda iyo fududeynta hawada hawada, alxamida 440c steel aan sal lahayn ayaa aan isdaba joogin. Si kastaba ha noqotee, haddii alxaluhu uu u baahdo, waxaa lagu talinayaa in la istcimaalo sheyga ilaa 260 ° C (500 ° F) oo aad ku gudajirto daaweyn ka dib marka laga hadlayo ka dib 7350-140-1400 ° F) muddo 6 saacadood ah, oo ay ku xigto Foornada si gaabis ah oo qaboojinaysa si looga hortago in la dilo. Si loo hubiyo in sifooyinka farsamada ee la midka ah ee weld sida birta salka ku haysa, alxanka loo yaqaan 'all al alter's' oo ay la mid tahay oo leh isku-darka la midka ah waa in la istcimaalaa. Bedel ahaan, awr e / Ery309 sidoo kale waxaa loo tixgelin karaa inuu yahay ikhtiyaar ku habboon.
Macaamiisheenna
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Jawaab-celinta ka timid macaamiisheena
400 oo taxane ah oo bir ah Roobka birta badanaa waa bilaash, oo muujinaya wax farsamo la'aan ah. Muuqaalkaani wuxuu si sahlan u dhigeysaa in la jaro, qaabka, iyo habka loo yaqaan 'stros-ka taxanaha loo yaqaan' steels 'oo bir ah oo sifiican u sameeya awooda iyo adkaanta, sida soosaarka ee caabbinta, sida soosaarka qaybaha farsamada.
Xirmooyinka:
1. Xirmooyinku aad ayey muhiim utahay gaar ahaan kiis ka mid ah maraakiibta caalamiga ah ee ku wareejiya khadadka kala duwan si ay u gaaraan halka ugu dambeysa, sidaa darteed waxaan walaac gaar ah ku galnay baakadaha.
2. Saky bir ah oo alaabteena badan ku xirnaado siyaabo badan oo ku saleysan badeecadaha. Waxaan alaabooyinkayaga u soo saarnaa siyaabo badan, sida,
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