RESEARCH & DEVELOPMENTDEPARTMENT

JINDAL STAINLESS LIMITED

Research and Development

• Development of value added products

• Process improvement

• Cost reduction

• Quality up gradation

• Development of new process route

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

PRODUCT DEVELOPMENT

304 L (NAG)

• Very low inclusion level : (A+B+C+D<4)

• IGC Practice C : < 5 mpy

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

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

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

Martensitic Stainless Steels

• 403

• 405

• 410 / 410S/ 410DB

• 415

• 420

• Razor Blade Steel

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

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

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

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: