0102 ib03
CHEMICAL COMPOSITION
Eraum Alloy | % | C | Mr | Thiab | P | C | Nrog | Cr | Mb | Hauv | Co |
4j29 ua | MIN | - | - | - | - | - | - | - | - | 28.5 Nws | 16.8 ib |
MAX | 0.03 ib | 0.5 | 0.3 | 0.02 ib | 0.02 ib | 0.2 | 0.2 | 0.2 | 29.5 Nws | 17.8 ib | |
4j 32 | MIN | - | 0.2 | - | - | - | 0.4 | - | - | 31.5 ib | 3.2 |
MAX | 0.05 Nws | 0.6 | 0.2 | 0.02 ib | 0.02 ib | 0.8 ua | - | - | 33 | 4.2 |
EXECUTIVE STANDARD
4j29 ua | 4j 32 |
GB/T 15018-1994 | GB/T 15018-1994 |
YB/T 5231-1993 | YB/T 5241-1993 |
Cov yam ntxwv ntawm cov khoom
4J29 muaj ib tug linear expansion coefficient zoo ib yam li cov silicon-boron nyuaj iav ntawm 20 ~ 450 ° C. Nws muaj qhov siab Curie point thiab lub koom haum muaj kev ruaj ntseg qis. Cov oxide zaj duab xis ntawm cov hlau yog tuab thiab tuaj yeem ua tau zoo
Cov oxide zaj duab xis ntawm cov hlau yog ntom thiab tuaj yeem nkag tau zoo los ntawm iav. Thiab tsis cuam tshuam nrog mercury, haum rau siv hauv cov twj paj nruag uas muaj mercury tawm. Nws yog cov khoom siv sib khi tseem ceeb rau cov khoom siv hluav taws xob lub tshuab nqus tsev.
4J32 alloy, tseem hu ua Super-Invar alloy, yog ib qho qis-expansion hlau-nickel drilling alloy nrog qis coefficient ntawm expansion nyob rau hauv thaj tsam ntawm 20-100 ℃.

