SS 309S / SS 309H Waya

SS 309S bakin karfe ne mai matukar alloyed austenitic bakin karfe da aka yi amfani da shi don fitaccen juriya na iskar shaka, yanayin zafi, ƙarfi, da juriya mai rarrafe. Ƙananan abun ciki na nickel na Bakin Karfe 309, idan aka kwatanta da Bakin Karfe 310, yana ƙara juriya ga harin hydrogen sulfide (H2S) a yanayin zafi. Yana da tauri kuma mai ɗaci kuma ana iya ƙirƙira shi da injina. SS 309S shine sigar ƙarancin carbon, kuma ana ba da shawarar don amfani da ita inda wayar da kan jama'a da lalata ta biyo baya ta matsanancin zafi yayin rufewa na iya haifar da ƙalubale. Ana amfani da Bakin Karfe 309S don juriya mai zafi mai zafi da juriya ga harin H2S. 309S Bakin Karfe za a iya yin nadi, hatimi da kuma zana su cikin sauri. Annealing a cikin tsari yawanci ana buƙata don ƙara ductility da rage taurin.

Haɗin Sinadari

Daraja	C	Si	P	S	Cr	Mn	Ni	Fe
309	0.20 max	1.0 max	0.045 max	0.030 max	22.0 - 24.0	2.0 max	12.0 - 15.0	Rago
309S	0.08 max	1.0 max	0.045 max	0.030 max	22.0 - 24.0	2.0 max	12.0 - 15.0	Rago

Kayayyakin Injini

Daraja	Ƙarfin Tensile (ksi)	0.2% Ƙarfin Haɓaka (ksi)	Tsawaita% a cikin inci 2
309	75	30	40
309S	70	25	40

Abubuwan Jiki

	309	309S	Zazzabi a cikin ° C
Yawan yawa	7.9g /cm³	8.03g /cm³	Daki
Takamaiman Zafi	0.12 Kcal /kg.C	0.12 Kcal /kg.C	22°
Rage Narkewa	1399 - 1454 ° C	1399 - 1454 ° C	-
Modulus na Elasticity	200 KN /mm²	200 KN /mm²	22°
Juriya na Lantarki	78µΩ.cm	78µΩ.cm	Daki
Adadin Faɗawa	14.9µm /m °C	14.9µm /m °C	20 - 100 °
Thermal Conductivity	15.6 W /m -°K	15.6 W /m -°K	20°