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Chemical Composition of Duplex & Super Duplex

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UNS Number Duplex GradesType bCMnPSSICrNiMoNCuOther
S31200...0.0302.000.0450.0301.0024.0-26.05.5-6.51.20-2.000.14-0.20......
S31260...0.031.000.0300.0300.7524.0-26.05.5-7.52.5-3.50.10-0.200.20-0.80W0.10-0.20
S31803...0.0302.000.0300.0201.0021.0-23.04.5-6.52.5-3.50.08-0.20... 
S32001...0.0304.0-6.00.0400.0301.0019.5-21.51.00-3.000.600.05-0.171.00 
S3220522050.0302.000.0300.0201.0022.0-23.04.5-6.53.0-3.50.14-0.20... 
S3230423040.0302.500.0400.0301.0021.5-24.53.0-5.50.05-0.600.05-0.200.05-0.60 
S32620...0.0301.500.0350.0200.8024.0-26.05.5-8.03.0-4.00.20-0.350.50-2.00 
S326502650.041.500.0400.0301.0024.0-27.04.5-6.52.9-3.90.10-0.251.5-2.5 
S3275025070.0301.200.0350.0200.8024.0-26.06.0-8.03.0-5.00.24-0.320.50 
S32760...0.0301.000.0300.0101.0024.0-26.06.0-8.03.0-4.00.20-0.300.50-1.00c
S32900329d0.061.000.0400.0300.7523.0-28.02.5-5.01.0-2.0...... 
S32950...0.032.000.035        


Chemical Composition

CHEMICAL COMPOSITION ( IN PERCENTAGE )
Grade
C (Max)
Mn (Max)
P (Max)
S (Max)
Si (Max)
Cr
Ni
Mo
Nitrogen (Max)
Cu/ Others
301
0.15
2.00
0.045
0.030
1.00
16.00 - 18.00
6.00 - 8.00
-
0.10
-
304
0.08
2.00
0.045
0.030
0.75
18.00 - 20.00
8.00- 10.50
-
0.10
-
304L
0.030
2.00
0.045
0.030
0.75
18.00 - 20.00
8.00- 12.00
-
0.10
-
310S
0.08
2.00
0.045
0.030
1.50
24.00- 26.00
19.00 - 22.00
-
-
-
316
0.08
2.00
0.045
0.030
0.75
16.00 - 18.00
10.00 - 14.00
2.00 - 3.00
0.10
-
316L
0.030
2.00
0.045
0.030
0.75
16.00 - 18.00
10.00 - 14.00
2.00 - 3.00
0.10
-
317
0.08
2.00
0.045
0.030
0.75
18.00 - 20.00
11.00 - 14.00
3.00 - 4.00
0.10
-
317L
0.030
2.00
0.045
0.030
0.75
18.00 - 20.00
11.00 - 15.00
3.00 - 4.00
0.10
-
321
0.08
2.00
0.045
0.030
0.75
17.00 - 19.00
9.00 - 12.00
-
0.10
Ti5 ( C + N ) Min or 0.70 max
347
0.08
2.00
0.045
0.030
0.75
17.00 - 19.00
9.00 - 13.00
-
-
Cb= 10x ( C Min ) or 1.00 Max
409
0.08
1.00
0.040
0.010
1.00
10.50 - 11.75
0.50
-
-
Ti= 6x (C+ N ) Min or 0.70 Max
409M
0.03
0.81.2
0.030
0.030
0.40.75
11.00- 12.00
1.5 max.
-
-
Ti= 6x (C) Min or 0.70 Max
410S
0.08
1.00
0.040
0.030
1.00
11.50- 13.50
0.60
-
-
-
410
0.15
1.00
0.040
0.030
1.00
11.50- 13.50
0.75
-
-
-
420
0.35
0.50
0.035
0.015
0.50
12.00 - 13.00
0.20.3
-
-
-
430
0.12
1.00
0.040
0.030
1.00
16.00 - 18.00
0.75
-
-
-
JSL AUS
0.08
7.08.0
0.070
0.030
0.75
15.50 - 16.50
4.25 - 4.75
-
-
0.9 - 1.10
JS- 203
0.08
9.2510.25
0.070
0.030
0.75
14.25 - 15.25
2.25 - 2.75
-
-
1.60- 2.0
301M
0.10
4.55.5
0.060
0.030
0.75
14.50 - 15.50
6.0 - 7.0
-
-
1.70- 1.90
* Thickness of 1.27mm & below will have elongation of 20% min.

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