Igwe anaghị agba nchara 409

409 igwe anaghị agba nchara bụ Ferritic ígwè na-enye ezigbo n'ibu Njirimara na elu okpomọkụ corrosion iguzogide. A na-ewerekarị ya dị ka igwe anaghị agba nchara chromium, yana ngwa n'ime sistemu ụgbọ ala na ngwa na-achọ weldability.

409 steels dịkwa n'ụdị kwụsiri ike nke ukwuu, dịka akara ule S40930, S40920 na S40910. A na-enye nkwụsi ike nke akara ule ndị a site na ọnụnọ nke niobium, titanium, ma ọ bụ abụọ, na nhazi nke ígwè.

Ngwakọta kemịkalụ

Ọkwa		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	6 x c 0.75

Ihe eji arụ ọrụ

Ọkwa	Ike Tensile (MPa) min	Mpụta Ike 0.2% Ihe akaebe (MPa) min	Mgbatị (% na 50mm) min	Isi ike
				Rockwell B (HR B) kacha	Brinell (HB) kacha
409	450	240	25	75	131

Njirimara anụ ahụ

Ọkwa	Njupụta (kg/m3)	Modulus Elastic (GPa)	Ọnụọgụ ọnụọgụ nke Mgbasa ọkụ (μm/m/°C)			Nrụpụta ọkụ (W/m.K)		Oku a kapịrị ọnụ 0-100°C (J/kg.K)	Mgbochi ọkụ eletrik (nΩ.m)
			0-100°C	0-315°C	0-538°C	na 100°C	na 500°C
409	7800	200	11.0	11.7	12.4	25.8	27.5	460	600

Ntụle nkọwa ọkwa ọkwa

Ọkwa	UNS Mba	Ochie British		Euronorm		Swedish SS	Japanese JIS
		BS	En	Mba	Aha
409	S40900	409S19	-	1.4512	X6CrTi12	-	SUH 409

Klas nke ọzọ enwere ike

Ọkwa	Njirimara
3CR12	Ọ dị mfe ịgbado ọkụ na ezigbo nguzogide corrosion. Akụkụ dị arọ na-adị mfe karị ma e jiri ya tụnyere 409.
304	Igwe ọkụ dị elu na nguzogide corrosion. Ọkwa 304 dị oke ọnụ.
321	Nguzogide okpomọkụ ka mma ma e jiri ya tụnyere 304 ma ọ bụ 409.
Nchara alumini	Dị ọnụ ala karịa ọkwa 409 igwe anaghị agba nchara, mana ọ naghị egbochi ikuku ikuku.