Sigogi |
Bayanin samfura |
Sunan Samfur: |
420 bakin karfe ball / 420C bakin karfe dutsen ado |
Kayan abu: |
420 / 420C |
Girman: |
0.35mm-50mm |
Taurin: |
420 HRC52-55; 420C HRC54-60; |
Matsayin Samarwa: |
ISO3290 2001 GB / T308.1-2013 DIN5401-2002 |
Haɗin sunadarai na 420 kwallayen bakin karfe |
|
C |
0.28-0.36% |
Cr |
12.0-14.0% |
Si |
0.80% Max |
Mn |
1,0% Max. |
P |
0.04% Mafi yawa |
S |
0.030% Mafi yawa |
Mo |
——– |
SUS410 / SUS420J2 / SUS430 bakin karfe beads Kwatanta:
SUS410: Martensite yana wakiltar darajar karfe, tare da ƙarfi mai ƙarfi da ƙarfi (magnetic); mummunan juriya ta lalata, bai dace da amfani ba a cikin mahalli masu lalata sosai; low C abun ciki, aiki mai kyau, da kuma farfajiya za a iya taurara ta magani mai zafi.
SUS420J2: Martensite yana wakiltar darajar karfe, tare da ƙarfi mai ƙarfi da ƙarfi (magnetic); rashin jituwa ta lalata lalata, rashin aiki mai kyau da tsari, da juriya mai kyau; yana iya zama zafi mai zafi don inganta kayan aikin inji. Ana amfani dashi ko'ina don sarrafa wukake, nozzles, bawuloli, masu mulki, da kayan tebur.
SUS430: Expansionananan haɓakar haɓakar thermal, kyakkyawan gyare-gyare da haɓakar haɓaka. Ya dace da kayan aiki masu jure zafin rana, masu ƙonawa, kayan aikin gida, ajin tebur na aji 2, kwandunan wanka. Priceananan farashi, kyakkyawan aiki shine madaidaicin maye gurbin SUS304; mai kyau lalata juriya, hankula marasa zafi magani hardenable ferritic bakin karfe.
KASA |
MATSAYI |
SUNAN KAYA |
|||
SINA |
GB |
1Cr18Ni9 |
0Cr19Ni 9 |
0Cr17Ni12Mo2 |
3Cr13 |
Amurka |
AISI |
302 |
304 |
316 |
420 |
JAPAN |
JIS |
SUS302 |
SUS304 |
SUS316 |
SUS420J2 |
DAN ADAM |
DIN |
X12CrNi188 |
X5CNN189 |
X5CrNiMn18 |
X30Cr13 |
1.4300 |
1.4301 |
10 (1.4401) |
1.4028 |
Ka'idar bakin karfe kwalliya:
Bakin karfe beads ba hujja-tsatsa, amma ba sauki tsatsa. Ka'idar ita ce cewa ta hanyar karin chromium, an samar da danshi mai tsananin chromium oxide a saman karfen, wanda zai iya toshe hanyar sake saduwa tsakanin karfe da iska, ta yadda oxygen din da ke cikin iska ba zai iya shiga karfen ba ball, game da shi hana Sakamakon karfe beads rusting.
Ka'idodin Chinaasa na China (CNS), Ka'idodin Masana'antu na Japan (JIS) da Cibiyar Tama da ƙarfe ta Amurka (AISI) suna amfani da lambobi uku don nuna baƙin ƙarfe daban-daban, waɗanda aka ambata a cikin masana'antar, wanda jerin 200 ya kasance chromium-nickel-manganese -based austenitic Bakin karfe, jerin 300 sune chromium-nickel austenitic bakin karfe, 400 jerin chromium bakin karfe (wanda akafi sani da iron), gami da martensite da ferrite.