304 ipayipi yensimbi engagqwali enemininingwane ephelele
Izindlela zokumaka ezijwayelekile emakethe zifaka i-06cr19ni10 kanye ne-SUS304, okuthi i-06cr19ni10 ibhekise ekukhiqizeni okujwayelekile kazwelonke, i-304 ivame ukusho ukukhiqizwa okujwayelekile kwe-ASTM, kanti i-SUS 304 isho ukukhiqizwa okujwayelekile kwaseJapan.
I-304 iyinsimbi engagqwali yendawo yonke, esetshenziswa kabanzi ukwenza amathuluzi nezingxenye ezidinga ukusebenza okuhle okuphelele (ukumelana nokugqwala nokubumbeka). Ukuze kugcinwe ukumelana nokugqwala okungokwemvelo kwensimbi engagqwali, insimbi kufanele ibe ne-chromium engaphezu kuka-18% kanye ne-nickel engaphezu kuka-8%. I-304 insimbi engagqwali iwuphawu lwensimbi engagqwali ekhiqizwa ngokwezindinganiso ze-ASTM zaseMelika.
Amandla e-Tensile σ b (MPa)≥515-1035
Amandla esivuno anemibandela σ 0.2 (MPa)≥205
Ubude δ 5 (%)≥40
Ukwehliswa kwendawo ψ (%) ≥?
Ukuqina: ≤ 201hbw; ≤92HRB; ≤210HV
Ukuminyana (20 ℃, g / cm) ³): amaphuzu ayisikhombisa ayisishiyagalolunye amathathu
Iphoyinti elincibilikayo (℃): 1398 ~ 1454
Umthamo wokushisa othize (0 ~ 100 ℃, kJ · kg-1k-1): 0.50
I-Thermal conductivity (w · M-1 · k-1): (100 ℃) 16.3, (500 ℃) 21.5
Umugqa wokunweba i-coefficient (10-6 · k-1): (0 ~ 100 ℃) 17.2, (0 ~ 500 ℃) 18.4
Ukumelana (20 ℃, 10-6 Ω· m2 / M): 0.73
Imodulus yokunwebeka yobude (20 ℃, kn / mm2): 193
Ngensimbi engagqwali engu-304, i-Ni element ekubunjweni kwayo ibaluleke kakhulu, enquma ngokuqondile ukumelana nokugqwala kanye nenani le-304 yensimbi engagqwali.
Izakhi ezibaluleke kakhulu ku-304 ziyi-Ni ne-Cr, kodwa azikhawulelwe kulezi zakhi ezimbili. Izidingo ezithile zicaciswe ezingeni lomkhiqizo. Ngokwesahlulelo esivamile embonini, i-304 insimbi engagqwali ingabhekwa inqobo nje uma okuqukethwe kwe-Ni kukhulu kune-8% futhi okuqukethwe kwe-Cr kukhulu kune-18%. Kungakho lolu hlobo lwensimbi engagqwali lubizwa nge-18/8 insimbi engagqwali embonini. Eqinisweni, izindinganiso zomkhiqizo ezifanele zinezinhlinzeko ezicace kakhulu ku-304, futhi lawa mazinga omkhiqizo anomehluko othile wesimo esihlukile sensimbi engagqwali. Nazi ezinye izindinganiso ezivamile zomkhiqizo nokuhlola.
Ukuze unqume ukuthi ingabe into ethile iyinsimbi engagqwali engu-304, kufanele ihlangabezane nezimfuneko zento ngayinye ezingeni lomkhiqizo. Uma nje umuntu engahlangabezani nezidingo, angeke abizwe ngensimbi engagqwali engu-304.
Amakhulu amathathu nane
C
UMn
P
S
Si
Cr
Ni
Imfuneko,%
≤0.08
≤2.00
≤0.045
≤0.030
≤1.00
18.0–20.0
8.0-11.0
I-ASTM a240 (i-chromium ne-chromium nickel ipuleti lensimbi engagqwali, ishidi leshidi, ne-strip strip yezinsimbi zokucindezela kanye nezinhlelo zokusebenza ezijwayelekile)
Amakhulu amathathu nane
C
UMn
P
S
Si
Cr
Ni
N
Imfuneko,%
≤0.07
≤2.00
≤0.045
≤0.030
≤0.75
17.5–19.5
8.0–10.5
≤0.10
I-SUS 304
C
UMn
P
S
Si
Cr
Ni
Imfuneko,%
≤0.08
≤2.00
≤0.045
≤0.030
≤1.00
18.0–20.0
8.0-10.5
I-SUS 304
C
UMn
P
S
Si
Cr
Ni
Imfuneko,%
≤0.08
≤2.00
≤0.045
≤0.030
≤1.00
18.0–20.0
8.0-10.5
Izindinganiso ezine ezingenhla zingamazinga ambalwa nje avamile. Eqinisweni, ngaphezu kwalawa mazinga ashiwo ku-ASTM naku-JIS. Eqinisweni, izinga ngalinye linezidingo ezihlukile ze-304, ngakho-ke uma ufuna ukunquma ukuthi into ethile ingu-304, isisho esinembile kufanele sibe ukuthi siyahlangabezana yini nezimfuneko ze-304 ezingeni lomkhiqizo.