research & development department jindal stainless limited
TRANSCRIPT
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RESEARCH & DEVELOPMENTDEPARTMENT
JINDAL STAINLESS LIMITED
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Research and Development
• Development of value added products
• Process improvement
• Cost reduction
• Quality up gradation
• Development of new process route
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Product Development
- Austenitic Stainless Steels- 300 Series
Heat resistant stainless steels- 309S, 30815
Monophase Austenitics: 310S, X8 Cr Ni Nb 16 13
Corrosion Resistant S.S.- 316, 316L, 317,317L
Stabilized Stainless Steels 321, 347
High Purity Stainless Steel for Nuclear Applications
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PRODUCT DEVELOPMENT
304 L (NAG)
• Very low inclusion level : (A+B+C+D<4)
• IGC Practice C : < 5 mpy
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PRODUCT DEVELOPMENT
Indian Railways & Delhi Metro
301, 301 L – different tempers
• High strength and good corrosion résistance
409 M
• Used for making railway wagons, superior to CORTEN steel
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PRODUCT DEVELOPMENT Ferritic Stainless Steels
Automotive Stainless Steel
• 409L, 436L
• Exhaust muffler of automobile
• The composition and the heat treatment been tailored to achieve excellent formability
• Supplied for the manufacturing of car like Santro and Palio
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PRODUCT DEVELOPMENT Ferritic Stainless Steels
SS-430 coin blanks• Mint – Govt. of India• French Mint• Commissioning of blanking, rimming,
blank annealing and polishing line• Designing chemical composition to
achieve hardness < 150 VPN• Finish : Bright annealed
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Martensitic Stainless Steels
• 403
• 405
• 410 / 410S/ 410DB
• 415
• 420
• Razor Blade Steel
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PRODUCT DEVELOPMENT
JBS Y – Razor Blade Steel
• 0.10 mm x 22.2 mm strips
• Fine primary carbide
• Secondary Carbide distribution : 50 –60/100 micron2
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Duplex Stainless Steels
• The only producer in India• Having dual microstructure of ferrite
and austenite.• 2205: 22Cr-5Ni-3Mo Extensive application in sour gas piping,
offshore drilling rigs, marine structures.• 2304: 23Cr, 4Ni For Paper & Pulp Industry
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Austenitic Cr-Mn Stainless Steels
• Ni Free J 15Cr: 15Cr-10Mn-1.5Cu
• J 4: 15.5 Cr. 9Mn-1Ni-1.5Cu
• J 204Cu: 16Cr-1.5Ni-2Cu
• AISI 201: 16Cr-4Ni
• JSL AUS (J1): 16Cr-4Ni-1.5Cu
• AISI 202: 17Cr-4Ni
• J 204: 18Cr-4.5 Ni
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Jindal stainless has now developed a grade J204 which matches corrosion resistance of 304 in a variety of media
Grade C Mn Cr Ni N
J204 0.062 6.25 17.75 4.46 0.16
304 0.043 0.92 18.01 8.85 0.05
204 (weld zone) 304 (weld zone)500X500X
Grade C Mn Cr Ni NJ204 ≤ 0.07 4.5-6.5 17.5-19.5 4.0-6.0 ≤0.20
X5CrNi18-10 ≤ 0.07 ≤ 2.0 17.0-19.5 8.0-10.5 ≤0.11AISI 304 ≤ 0.08 ≤ 2.0 18.0-20.0 8.0-10.5 -
Suitable for many industrial applications: