PRODUCTION OF COLD ROLLED STAINLESS STEEL AT SALEM STEEL PLANT AND APPLICATIONS

Transcription

1 PRODUCTION OF COLD ROLLED STAINLESS STEEL AT SALEM STEEL PLANT AND APPLICATIONS T. KALYANASUNDARAM AGM I/C (MS-PAD) SAIL, SALEM STEEL PLANT PAD-1

2 COLD ROLL STAINLESS STEELS OPPORTUNITY IN INDIA OVER ALL DEMAND IN EXCESS OF 1.3 MILLION TONNES KITCHEN WARE & UTENSILS 0.9 MILLION TONNES INDUSTRIAL SEGMENT 0.4 MILLION TONNES GROWTH LOW END DEMAND TO DOUBLE IN NEXT 8 YEARS HIGH END DEMAND TO GROW 4 TIMES IN NEXT 10 YEARS SOURCE : STEEL GURU PAD-2

3 PRODUCTION OF COLD ROLLED STAINLESS STEEL & APPLICATIONS MORETHAN 100 GRADES OF STAINLESS STEEL IN THE MAJOR FAMILY OF AUSTENITIC, FERRITIC & MARTENSITIC ARE PRODUCED IN THE WORLD. SALEM STEEL PLANT MANUFACTURES ABOUT 15 GRADE OF STAINLESS STEEL IN COLD ROLLED SHEETS AND COILS. HOT ROLLING AND COLD ROLLING PROCESS. PRODUCT MIX APPLICATIONS OF STAINLESS STEEL. EXPANSION PAD-3

4 STAINLESS STEEL STEEL CONTAINING MINIMUM 10.5% CHROMIUM. PAD-4

5 EFFECT OF CHROMIUM CONTENT ON CORROSION RATE mmpy CORROSION RATE % CHROMIUM PAD-5

6 CONTACT WITH ATMOSPHERE CHROMIUM FORMS PASSIVE CHROMIUM OXIDE IRON FORMS RUST IRON OXIDE STAINLESS STEEL RESISTS CORROSION BY FORMING TENACIOUS IMPERVIOUS OXIDE LAYER ON SURFACE CARBON STEEL RUSTS & CORRODES BY FORMING PORUS IRON OXIDE LAYER ON SURFACE PAD-6

7 CLASSIFICATION OF COMMON GRADES OF STAINLESS STEELS CHROMIUM-NICKEL (300 SERIES) 301/304/304L/ /316L 310S DUCTILE, GOOD CORROSION RESISTANCE DUCTILE, EXCELLENT CORROSION RESISTANCE HIGH ALLOY CONTENT. GOOD HIGH TEMPERATURE PROPERTIES. NON-MAGNETIC NON-MAGNETIC NON-MAGNETIC PAD-7

8 CLASSIFICATION OF COMMON GRADES OF STAINLESS STEELS STRAIGHT CHROMIUM (400 SERIES) 410S/ 430/ 409/409M 420 NON-HARDENABLE GOOD GENERAL CORROSION RESISTANCE MAGNETIC HARDENABLE HEAT TREAT FOR HIGH HARDNESS MAGNETIC PAD-8

9 CLASSIFICATION OF COMMON GRADES OF STAINLESS STEELS LOW NICKEL-HIGH MANGANESE(200 SERIES) SSLN1 SSLN4 1% NICKEL 4% NICKEL NON-MAGNETIC DUCTILE DUCTILE NON-MAGNETIC ADEQUATE GOOD GENERAL CORROSION CORROSION RESISTANCE RESISTANCE PAD-9

10 BROAD RANGE OF CHEMICAL COMPOSITION CLASSIFICATION ELEMENTS % C % Cr % Ni % Cu AUSTENITIC 300 SERIES 0.15 max max. FERRITIC 400 SERIES 0.20 max Present in some Nil MARTENSITIC 400 SERIES 1.00 max Nil SSLN 200 SERIES 0.12 max Max PAD-10

11 PAD-11

12 PAD-12

13 PRODUCT RANGE HOT ROLLED ANNEALED & PICKLED COIL/SHEET/PLATE THICKNESS TO 8.00 mm WIDTH /1275 mm LENGTH mm (Max) HOT ROLLED (AS ROLLED) COIL/SHEET/PLATE THICKNESS TO mm WIDTH /1275 mm LENGTH - BY DISCUSSION PAD-13

14 PRODUCT RANGE STAINLESS STEEL COLD ROLLED ANNEALED & PICKLED COIL THICKNESS WIDTH TO 6.0 mm mm SHEET/PLATE THICKNESS WIDTH TO 6.0 mm mm(max) LENGTH mm(max) PAD-14

15 SPECIAL FINISHES PRODUCED BY SALEM STEEL PLANT AQUALINE CHEQUERED DULL FINISH EPIDERMA FABRIQUE FRONDZ HAMMERTONE HONEY KOM MACRO MATT MIRROR FINISH MOON ROCK MYSTIQUE PEARLPLUS STRIPE ZEBRA NO.3/NO.4 PAD-15

16 STANDARDS FOLLOWED BY SALEM STEEL PLANT IS 6911 ASTM A240 DIN EN10088 JIS G4305 PAD-16

17 ATTRIBUTES OF STAINLESS STEEL EXCELLENT CORROSION RESISTANCE EXCELLENT MECHANICAL PROPERTIES EXCELLENT ELEVATED TEMPERATURE PROPERTIES HIGH STRENGTH TO WEIGHT RATIO EASE OF FABRICABILITY MINIMUM MAINTENANCE BETTER EQUIPMENT LIFE APPEALING AESTHETICS PAD-17

18 ATMOSPHERIC GENERAL CORROSION RESISTANCE - COMPARISON MATERIAL RURAL (MICRON/YEAR) INDUSTRIAL/ MARINE (MICRON/YEAR) CARBON STEEL 6 34 CORTEN STEEL 4 14 COPPER ZINC ALUMINIUM STAINLESS STEEL PAD-18

19 PAD-19

20 LIFE CYCLE COSTING N OC LCC = AC + IC n =1 (1+ i) n n =1 (1+ i) n n =1 (1+ i) n WHERE: LCC = TOTAL LIFE CYCLE COST AC = INITIAL MATERIAL ACQUISITION COSTS IC = INITIAL MATERIAL INSTALLATION/ FABRICATION COSTS OC = OPERATING MAINTENANCE COSTS LP = PRODUCTION LOSS COSTS DURING DOWNTIME RC = MATERIAL REPLACEMENT COSTS N = LIFE TIME i = ACTUAL INTEREST RATE n = YEAR OF THE EVENT ALL THE COST REFFERED TO THE PRESENT VALUE N LP N RC PAD-20

21 PRODUCTS DEVELOPED FOR VARIOUS APPLICATIONS AND TECHNICAL SUPPORT RENDERED APPLICATION RAILWAYS AUTOMOBILE/ TRANSPORT PRODUCT RAIL COACHES TROUGH FLOOR FLOORING RAIL COACH INTERIOR WAGON AUTO EXHAUST SYSTEM GUARD MUFFLER INTERIOR & EXTERIOR PANELLING GRADE 301LN/409M 301/ SPL FINISH 304 SPL FINISH 409M 409L 430/ /SSLN(SPL FINISH) APPLIANCES WASHING MACHINE MIRCOWAVE OVENS VACCUM FLASKS PRESSURE COOKER GEYSERS GAS STOVES SOLAR WATER HEATERS /SSLN /430 ARCHITECTURE, BUILDING & CONSTRUCTION ROOFING FAÇADE CLADDING WALL CLADDING 304/ / /304 PAD-21

22 PRODUCTS DEVELOPED FOR VARIOUS APPLICATIONS AND TECHNICAL SUPPORT RENDERED APPLICATION PRODUCT GRADE ARCHITECTURE, BUILDING & CONSTRUCTION FALSE CEILING RAILINGS DOOR FRAMES DOOR SHUTTER 430/ / /430 COINAGE SS COINS 430 INDUSTRIAL APPLICATIONS FURNACE PARTS FLEXIBLE HOSES OPTICAL FIBRE CABLE- SHEATHING HEAT EXCHANGER- PLATES TOWER PACKING METALLIC BELLOWS CAPACITOR BOXES SUBMERSIBLE PUMPS 310S 304/321/304L/ /316/304L 304/321/310S POWER PLANT COAL BUNKER LINERS COAL BUNKERS 409M 409M PAD-22

23 EXPANSION AT A GLANCE PROPOSED EXPANSION AT A COST OF RS.1500 CRORES. STEEL MAKING THROUGH AOD ROUTE & CONTINUOUS CASTING. ADDITION OF A & P LINE, Z-MILL, BALANCING FACILITIES IN HRM & CRM. ROTARY POLISHING UNIT. PAD-23

24 INTERNATIONAL CERTIFICATIONS SALEM STEEL PLANT

25 SINCE SINCE SALEM STEEL PLANT

26 SINCE SINCE MARCH SALEM STEEL PLANT

27 FOR YOUR KIND ATTENTION PAD-24