STAINLESS STEEL PRESENTED BY:SHIVANI TAKAANCHAL LALWANINIKITA SAHUJIBELA RATHIAMRUTA JAIN KALYANI SETHI NEHA TANGDE
INTRODUCTION
STAINLESS STEEL ALSO KNOWN AS INOX STEEL IT IS A STEEL ALLOY (MINIMUM OF CHROMIUM
CONTENT BY MASS) DIFFERENT GRADES AND SURFACE FINISHES
ARE AVAILABLE. IT IS USED WHERE BOTH THE PROPERTIES OF
STEEL AND CORROSION RESISTENCE ARE REQUIRED.
STAINLESS STEEL LOOKS SIMILAR TO REGULARLY USED STEEL, BUT CHEMICAL PROPERTIES DIFFER
HISTORY
IN AUGUST 20, 1912, STAINLESS STEEL WAS CAST FOR THE FIRST TIME, WHEN IT WAS DISCOVERED BY AN ACCIDENT BY MR. WHILE BREARLEY
FAMOUS EXAMPLE IS IRON PILLAR BY ORDER OF KUMARA GUPTA IN DELHI, AROUND AD 400.
UNLIKE STAINLESS STEEL NOWADAYS, THIS ARTIFACT OWE THEIR DURABILITY NOT TO CHROMIUM BUT TO THEIR HIGH PHOSPHOROUS CONTENT.
PROPERTIES OXIDATION POOR CONDUCTOR OF
ELECTRICITY CORROSION RESISTANT
MATERIAL DURABLE STRONG ACID RESISTANCE
MANUFACTURING PROCESS
MELTING AND CASTING
FORMING HEAT TREATMENT DESCALING CUTTING FINISHING
MANUFACTRING COMPANIES
INDIA FOREIGN COUNTRIES STEEL AUTHORITY OF
INDIA LTD, TAMIL NADU.
JINDAL SS LIMITED HISSAR, HARYANA
POSCO, EUROPE NIPOM STEEL, JAPAN
DIFFERENT GRADES AVAILABLE 202-COMMERCIAL GRADE, CONSISTS O.4%
NICKEL AND 16% CHROMIUM. (130-160RS PER KG)
316- INDUSTRIAL GRADE, CONSISTS OF 10-12 % NICKEL AND 11% CHROMIUM.(300-360RS PER KG)
304- CHEMICAL, PHARMACEUTICAL, FOOD PROCESSING AND ARCHITECTURAL ENGINEERING WORKS. (8%NICKEL AND 18% CHROMIUM, 230- 270 RS PER KG)
303, 410, 430, 304L, 316L etc ARE DIFFERENT GRADES AVAILABLE.
DIFFERENT FORMS AVAILABLE•SHEETS•BARS•PIPES•TUBES(NOTE: AVAILABLE IN VARIOUS SHAPES AND SIZES)
ARCHITECTURAL USES•USED FOR BOTH PRACTICAL AND AESTHETIC REASON•SOME DINNERS AMD FASTFOOD RESTAURANT USE LARGE ORNAMENTAL PANELS AND FURNITURE BECAUSE OF DURABILITY OF MATERIAL.•MANY OF THE BUILDINGS USING THIS RETAIN THEIR ORIGINAL APPEARANCE.
EXAMPLES •TYPE 316 STAINLESS STEEL IS USED IN EXTERIOR OF PETRONAS TWIN TOWER AND JIN MAO BUILDING (WORLD’S TALLEST SKYSCAPERS.)
THANK YOU
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