STAINLESS STEEL CHEMICAL COMPOSITION
S.S.
200
202
301
302
302B
303
303Se
304
304L
305
308
309
309s
310
310s
314
316
316L
317
321
347
Carbon
0.12
0.12
0.15
0.15
0.15
0.15
0.15
0.08
0.03
0.12
0.08
0.20
0.08
0.25
0.08
0.25
0.08
0.03
0.08
0.08
0.08
Manganese
7.5/10
5.5/7.5
2.00
2.00
2.00
2.00
2.002.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
Silicone
0.9
0.9
1.00
1.00
2.0/3.0
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.5
1.5
1.5/3.0
1.00
1.00
1.00
1.00
1.00
Chromium
14/16
16/18
16/18
17/19
17/19
17/19
17/19
18/20
18/02
17/19
19/21
22/24
22/24
24/26
24/26
24/26
23/26
16/18
18/20
17/19
17/19
Nickel
0.5/2.0
0.5/4.0
6.0/8.0
8.0/10
8.0/10
8.0/10
8.0/10
8.0/12
8.0/12
10/13
10/12
12/15
12/15
19/22
19/22
19/22
10/14
10/14
11/15
9.0/12
9/13
Molybdenum
0.2
0.2
                            
2.0/3.0
2.0/3.0
3.0/4.0
    
Phosphorus
0.06
0.06
0.045
0.045
0.045
0.20
0.20
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
Nitrogen
0.25
0.25
                                      
Suiphur    
0.03
0.03
0.03
0.15MIN
-
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
Selenium            
0.15MIN
                            
Aluminium                                          
Titanium                                      
5XC
  
Cb+Ta                                        
10XC
Tensile
Strength 		105 105
110
90
95
90
90
85
60
85
85
90
90
95
95
100
85
78
90
87
92
2% Yield
Strength 		55 55
40
37
40
35
35
35
30
37
35
40
40
40
40
50
35
30
40
35
35
Elongation
in 2' 		55 55
60
55
50
50
50
55
55
55
55
45
45
45
45
45
55
55
50
55
50
Rockwell 90 90
85
82
85
84
84
80
76
82
80
85
85
87
87
87
80
76
85
80
84
Brinell 185 185
165
155
165
160
160
150
140
156
150
165
165
170
170
170
150
145
160
150
160
                                           
       
En58M
  
En58E
150-801C
                  
En58J&H
    
En58C
  
     
X12
CrNi17.7
X2
CrNi18.8
     
X5
CrNi18.9
X5
CrNi18.8
X12
CrNi18.8
           
x5
CrNiMo18.12
X2
CrNiMo19.1
X10
CrNiMo18.9
   
 
AUST.
  
AUST.
AUST.
AUST.
AUST.
AUST.
AUST.
AUST.
AUST.
AUST.
AUST.
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CHEMICAL COMPOSITION OF AISI WROUGHT STAINLESS STEELS
Physical corrosion resistance & other properties of important S.S.Grades
S.S.Grade
201
202
301
302
304
304L
309
309S
310
310S
316
316L
321
347
409
430
434
410
Density
7.9
7.9
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
7.7
7.8
7.8
7.8
Sp.Elec. Resist 20C micro
72
72
72
72
72
72
78
78
78
78
74
74
72
73
60
60
60
57
Sp. Heat (0-100c)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
46
46
46
46
Ther. Conductivity
16.3
16.3
16.3
16.3
16.3
16.3
14.2
14.2
14.2
14.2
16.3
16.3
16.3
16.3
25.1
26.0
26.0
25.1
 
15.7
18.4
17.0
17.2
17.3
17.3
15.0
15.0
15.9
15.9
15.9
15.9
16.6
16.6
11.7
10.4
11.9
9.9
Mild water
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Industrial
X
X
X
X
X
X
X
X
X
X
X
X
X
X
  
X
X
  
Marine
X
X
X
X
X
X
X
X
X
X
X
X
X
X
    
X
  
Salt Water
                 
X
X
              
Mild
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Oxidising
X
X
X
X
X
X
X
X
X
X
X
X
X
X
  
X
X
  
Reducing
                    
X
X
            
Abrasion Resistance
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Good
Cold Forming
Fair
Good
Good
Excel
Excel
Good
Good
Good
Good
Good
Good
Good
Good
Good
Fair
Fair
Fair
Fair
Weldability
Good
Good
Excel
Excel
Excel
Excel
Good
Excel
Good
Excel
Excel
Excel
Excel
Excel
Fair
Fair
Fair
Fair
Melting Flange
1400 1420
1400 1450
1370 1400
1400 1430
1430 1510
1480 1530
Scaling Temp
800
800
800
900
900
900
1100
1100
1100
1100
900
900
900
900
700
800
800
700