RESEARCH & DEVELOPMENT DEPARTMENT - Gual Steel

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Nov 8, 2013 (3 years and 11 months ago)

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RESEARCH &
DEVELOPMENT

DEPARTMENT

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 micron
2



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)

500X

500X

Grade
C
Mn
Cr
Ni
N
J204
≤ 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
≤0.11
AISI 304
≤ 0.08
≤ 2.0
18.0-20.0
8.0-10.5
-
Suitable for many industrial applications: