Bakin Karfe 409

409 bakin karfe shine Ferritic karfe wanda ke ba da kyawawan kaddarorin inji da juriya mai zafi mai zafi. An yi la'akari da shi a matsayin bakin karfe na chromium, tare da aikace-aikace a cikin tsarin sharar motoci da aikace-aikacen da ke buƙatar walƙiya.

409 karfe kuma ana samun su a cikin tsayayyen tsari, kamar maki S40930, S40920 da S40910. Ana samar da kwanciyar hankali na waɗannan maki ta kasancewar niobium, titanium, ko duka biyu, a cikin abun da ke ciki na karafa.

Haɗin Sinadari

Daraja		C	Mn	Si	P	S	Cr	Ni	Ti
409	min. max.	- 0.08	- 1.00	- 1.00	- 0.045	- 0.045	10.5 11.75	- 0.5	6x ku 0.75

Kayayyakin Injini

Daraja	Ƙarfin Tensile (MPa) min	Ƙarfin Haɓaka 0.2% Hujja (MPa) min	Tsawaitawa (% a cikin 50mm) min	Tauri
				Rockwell B (HR B) max	Brinell (HB) max
409	450	240	25	75	131

Abubuwan Jiki

Daraja	Yawan yawa (kg/m3)	Elastic Modulus (GPa)	Ma'anar Ƙirar Ƙarfafawar Ƙarfin Ƙarfafawa (μm /m / ° C)			Ƙarfafa Ƙarfafawa (W/m.K)		Takamaiman zafi 0-100°C (J/kg.K)	Resistivity na Lantarki (nΩ.m)
			0-100°C	0-315 ° C	0-538°C	a 100°C	da 500°C
409	7800	200	11.0	11.7	12.4	25.8	27.5	460	600

Kwatancen Ƙimar Daraja

Daraja	UNS No	Tsohon Birtaniya		Euronorm		Yaren mutanen Sweden SS	JIS na Japan
		BS	En	A'a	Suna
409	S40900	409S19	-	1.4512	X6CrTi12	-	SUH 409

Matsaloli masu yuwuwar Madadin

Daraja	Kayayyaki
3CR12	Sauƙi don walda da juriya mai kyau na lalata. Ana samun sassa masu nauyi idan aka kwatanta da 409.
304	Babban juriya na zafi da juriya na lalata. Mataki na 304 yana da tsada.
321	Kyakkyawan juriya mai zafi idan aka kwatanta da 304 ko 409.
Aluminized karfe	Mai rahusa fiye da sa 409 bakin karfe, amma kasa da juriya ga iskar gas.