STAINLESS STEEL

Is the most common 18/8 austenitic stainless steel, very widely used in the food, pharmaceutical, breweries and chemical industries. 304 stainless is very popular in the building and domestic appliance sectors. The 304L grade has a reduced carbon content. The lower carbon content will help improve corrosion resistance after welding, and minimise carbide precipitation during the welding operation. As a stainless steel 304 has very good welding characteristics. Though continuous use of 304 stainless as high temperature is not recommended occasional service of 304 stainless up to 870ºC will give good oxidation resistance.

$Refraproducts stainless steel anchors refractory$

SS 310

A heat resisting stainless steel with high resistance to oxidation scaling and has high strength at elevated temperatures. This is combined with better creep properties at temperature and 310 stainless is very tough and ductile. 310 stainless has good resistance to oxidation in continuous service up to 1150ºC provided reducing sulphur gases are not present. 310 can also be used for occasional service up to 1040ºC. With it’s high chromium (to increase high temperature properties) 310 stainless offers good corrosion resistance.

SS 304

SS 309

SS 309 is a highly alloyed austenitic stainless steel used for its excellent oxidation resistance, high temperature strength and creep resistance. The lower nickel content of SS 309 improves resistance to sulphur attack at high temperatures. It is tough and ductile, and can be readily fabricated and machined.

SS 316

SS 316 is a chromium-nickel-molybdenum austenitic stainless steel, suitable for us in severely corrosive conditions. The additions of molybdenum to 316 stainless gives it a better corrosion resistance than other stainless steel grades such as 304, with 316 stainless achieving higher resistance to pitting and crevice corrosion in chloride environments.The 316 ‘L’ grade has a reduced carbon content to improve corrosion resistance after welding.

Stainless Steel Chemical Composition

Grade	C	Si.	Mn	P (max)	S (max)	Ni	Cr	Mo
304	<=0.08	<=0.75	<=2.00	0.04	0.03	8.00~11.00	18.00~20.00	–
309	<=0.15	<=0.75	<=2.00	0.04	0.03	12.00~15.00	22.00~24.00	–
310	<=0.15	<=0.75	<=2.00	0.04	0.03	19.00~22.00	24.00~26.00	–
316	<=0.08	<=0.75	<=2.00	0.04	0.03	11.00~14.00	16.00~18.00	2.00~3.00
446	<=0.20	<=0.75	<=1.50	0.04	0.03	<=0.50	23.00~30.00	–

Refractory Solutions

Stainless Steel High Temperature || سٹینلیس سٹیل