Dulmar guud ee gariiradda birta ah ee qabow
Gariiradda duuban ee qabowgu waxay ka samaysan tahay gariiradda duuban ee kulul. Habka qaboojinta duuban, gariiradda kulul ee duuban ayaa lagu rogrogaa hoos heerkulka recrystallization, iyo guud ahaan birta duuban waxaa lagu rogaa heerkulka qolka. Xaashiyaha birta ah ee ay ku jirto maadada silikoonku waxay leedahay jilicsanaan hoose iyo caag yar, waxayna u baahan tahay in lagu sii kululeeyo ilaa 200 °C ka hor inta aan la duubin qabowga. Maadaama gariiradda qabowga aan la kululayn inta lagu jiro habka wax-soo-saarka, ma jiraan cillado ay ka mid yihiin godad iyo oksijiinta birta oo inta badan laga helo duubista kulul, tayada dusha sare iyo dhammaadka ayaa wanaagsan.
Halabuurka Kiimikada ee Gariiradda Birta Qabow
Heerka Birta | C | Mn | P | S | Al | |
DC01 | SPCC | ≤0.12 | ≤0.60 | 0.045 | 0.045 | 0.020 |
DC02 | SPCD | ≤0.10 | ≤0.45 | 0.035 | 0.035 | 0.020 |
DC03 | SPCE | ≤0.08 | ≤0.40 | 0.030 | 0.030 | 0.020 |
DC04 | SPCF | ≤0.06 | ≤0.35 | 0.025 | 0.025 | 0.015 |
Hantida Makaanikada ee Gariiradda Birta Qabow
Summada | Awood soo saarid RcL Mpa | Xoogga xamaasada Rm Mpa | Kordhinta A80mm % | Tijaabada saamaynta (longitudinal) |
|
Heerkulka °C | Shaqada saamaynta AKvJ |
|
|
|
|
SPCC | ≥195 | 315-430 | ≥33 |
|
|
Q195 | ≥195 | 315-430 | ≥33 |
|
|
Q235-B | ≥235 | 375-500 | ≥25 | 20 | ≥2 |
Hantida Makaanikada ee Gariiradda Birta Qabow
Summada | Awood soo saarid RcL Mpa | Xoogga xamaasada Rm Mpa | Kordhinta A80mm % | Tijaabada saamaynta (longitudinal) |
|
Heerkulka °C | Shaqada saamaynta AKvJ |
|
|
|
|
SPCC | ≥195 | 315-430 | ≥33 |
|
|
Q195 | ≥195 | 315-430 | ≥33 |
|
|
Q235-B | ≥235 | 375-500 | ≥25 | 20 | ≥2 |
Darajada gariiradda qabow duuban
1. Summada Shiinaha ee No. Q195, Q215, Q235, Q275——Q — koodhka dhibicda dhalidda (xadka) ee birta qaab dhismeedka kaarboonka caadiga ah, taas oo ah kiiskii alifbeetada dhawaaqa Shiinaha ee ugu horreeya ee "Qu"; 195, 215, 235, 255, 275 - siday u kala horreeyaan waxay matalaan qiimaha dhibicda dhalidda (xadka), cutubka: MPa MPa (N / mm2); iyadoo ay ugu wacan tahay sifooyinka farsamada ee Q235 xoogga birta, caagga, adkaanta iyo alxanka ee birta qaab dhismeedka kaarboonka caadiga ah Inta badan, waxay si fiican u buuxin kartaa shuruudaha guud ee isticmaalka, sidaas awgeed baaxadda codsigu waa mid aad u ballaaran.
2. Summada Jabbaan ee SPCC - Bir, P-Plate, C-qabow, C-afraad.
3. Jarmal fasalka ST12 - ST-steel (Steel), 12-class birta qabow-duubay.
Codsiga gariiradda birta ah ee qabow
Gariiradda qabow ee duuban waxay leedahay waxqabad wanaagsan, taas oo ah, iyada oo loo marayo duubista qabow, dhejis qabow iyo xaashi bir ah oo dhumucdiisuna tahay khafiif ah iyo saxsanaan sare ayaa la heli karaa, oo leh toosan sare, siman sare oo dusha sare ah, nadiif ah oo dhalaalaysa xaashida qabow, iyo dahaarka fudud. processing The plated, kala duwan, isticmaalka ballaaran, iyo sifooyinka waxqabadka stamping sare iyo non-gabowga, dhibic dhalidda hooseeyo, sidaas xaashida duuban qabow ayaa tiro balaadhan oo ah isticmaalka, inta badan loo isticmaalo baabuurta, durbaannada birta daabacan, dhismaha, qalabka dhismaha, baaskiilada, iwm Warshadaha ayaa sidoo kale waa doorashada ugu fiican ee wax soo saarka ee xaashi bir dahaarka organic.
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