440 / 440C mabhora esimbi isina tsvina
|
Parameter |
Chigadzirwa ruzivo |
|
Chigadzirwa Chigadzirwa: |
Stainless simbi bhora / 440 |
|
Zvinhu: |
440 / 440C |
|
SIZE: |
0.3mm-80mm |
|
Kuoma: |
HRC58-62 |
|
Kugadzirwa Standard: |
ISO3290 2001 GB / T308.1-2013 DIN5401-2002 |
|
Chemical kuumbwa ye440C isina simbi mabhora |
|
|
C |
0.95-1.20% |
|
Cr |
16.0-18.0% |
|
Si |
1,00% Max |
|
Mn |
1.0% Max. |
|
P |
0.040% Max |
|
S |
0.030% Max |
|
Mo |
0.40-0.80% |
|
Ni |
0,60% Max |
440—Yakakwira-simba yekucheka chishandiso simbi ine yakakwira zvishoma kabhoni zvemukati. Mushure mekurapa kwakanaka kwekupisa, simba repamusoro rezvibereko rinogona kuwanikwa. Hukukutu hunogona kusvika 58HRC, iri pakati pesimbi dzakaomesesa. Muenzaniso unonyanya kushandiswa ndewe "razor blades". Kune matatu anowanzo shandiswa mamodheru: 440A, 440B, 440C, uye 440F (nyorekugadzira mhando).
Nheyo yesimbi isina simbi bhora:
Stainless simbi mabhora haasi ngura-chiratidzo, asi hazvisi nyore ngura. Nheyo yacho ndeyekuti nekuwedzera kwechromium, dense chromium oxide layer inoumbwa pamusoro pesimbi, iyo inogona kuvharira zvinobatika kubatana zvakare pakati pesimbi nemhepo, kuitira kuti oxygen iri mumhepo isakwanise kupinda musimbi. bhora, nokudaro ichidzivirira mhedzisiro yesimbi mipira ngura.
China National Standards (CNS), maJapan maYunivhesiti Maitiro (jis) uye American Iron uye Steel Institute (AISI) vanoshandisa manhamba matatu kuratidza akasiyana simbi isina simbi, ayo anonyanya kutaurwa muindasitiri, ayo iwo akateedzana mazana maviri chromium-nickel-manganese -based austenitic Stainless simbi, 300 dzakateedzana ndeye chromium-nickel austenitic simbi isina chinhu, mazana mana akateedzana chromium simbi isina simbi (inowanzozivikanwa sesimbi isina simbi), inosanganisira martensite uye ferrite.
