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Designer /
Architectural
Stainless Steel

Chemical Properties | Physical Properties | Mechanical Properties | Other Properties

Chemical Properties

Stainless
Steel
Grade
Designation
Equivalent Specification
% Chemical Composition
IS-6911
AISI

C
Max

Si
Max
Mn
Max
Cr Ni P
Max
S
Max
Other
Elements
SS301
10 Cr 17 Ni 7
301
0.15
1.00
2.00
16.00/18.00
6.00/8.00
0.045
0.030
-
SS304
04 Cr 18 Ni 10
304
0.08
0.75
2.00
18.00/20.00
8.00/10.50
0.045
0.030
-
SS304L
02 Cr 18 Ni 11
304L
0.03
0.75
2.00
18.00/20.00
8.00/12.00
0.045
0.030
-
SS309
-
309
0.20
0.75
2.00
22.00/24.00
12.00/15.00
0.045
0.030
-
SS309S
-
309S
0.08
0.75
2.00
22.00/24.00
12.00/15.00
0.045
0.030
-
SS310
-
310
0.25
1.50
2.00
24.00/26.00
19.00/22.00
0.045
0.030
-
SS310S
-
310S
0.08
1.50
2.00
24.00/26.00
19.00/22.00
0.045
0.030
-
SS316
04 Cr 17 Ni 12
Mo 2
316
0.08
0.75
2.00
16.00/18.00
10.00/14.00
0.045
0.030
Mo 2.00/3.00
SS316L
02 Cr 17 Ni 12
Mo 2
316L
0.03
0.75
2.00
16.00/18.00
10.00/14.00
0.045
0.030
Mo 2.00/3.00
SS317
-
317
0.08
0.75
2.00
18.00/20.00
11.00/15.00
0.045
0.030
Mo 3.00/4.00
SS317L
-
317L
0.03
0.75
2.00
18.00/20.00
11.00/15.00
0.045
0.030
Mo 3.00/4.00
SS321
04 Cr 18 Ni 10
Ti 2
321
0.08
0.75
2.00
17.00/19.00
9.00/12.00
0.045
0.030
Ti= 5X(C+N) Max
Min = 0.70
SS347
-
347
0.08
0.75
2.00
17.00/19.00
9.00/12.00
0.045
0.030
(Cb+Ta)=
10 X %C Min
1.00 Max
SS409
-
409
0.08
1.00
1.00
10.50/11.75
0.50 Max
0.045
0.030
Ti
6 X %C Min
0.75 Max
SS430
05 Cr 17
430
0.12
1.00
1.00
16.00/18.00
0.75 Max
0.040
0.030
-
SS434
-
434
0.12
1.00
1.00
16.00/18.00
-
0.040
0.030
Mo 0.75/1.25
SS410
12 Cr 13
410
0.15
1.00
1.00
11.50/13.50
0.75 Max
0.040
0.030
-
SS410S
-
410S
0.08
1.00
1.00
11.50/13.50
-
0.040
0.030
-
SS420
20 Cr 13
30 Cr 13
40 Cr 13
420
**
1.00
1.00
12.00/14.00
-
0.040
0.030
-
     
**C - over 0.15%

 
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Physical Properties

Stainless
Steel
Grade
Designation

Density
gm/cm*cm*cm

Specific Electrical
Resistance at 20degree Centigrade
Micro-Ohm cm
Specific Heat
(0-100 degree Centigrade)
Joules/gm degree Centigrade
Thermal Conductivity 100 degree CentigradeW/m degree Centigrade Coeff.of Thermal Expansion (Per degree Centigrade X 10-6) (0-100 degree Centigrade)
SS301
8.0
72
0.50
16.33
17.0
SS304
8.0
72
0.50
16.33
17.3
SS304L
8.0
72
0.50
16.33
17.3
SS309
8.0
78
0.50
14.24
15.0
SS309S
8.0
78
0.50
14.24
15.0
SS310
8.0
78
0.50
14.24
15.9
SS310S
8.0
78
0.50
14.24
15.9
SS316
8.0
74
0.50
16.33
15.9
SS316L
8.0
74
0.50
16.33
15.9
SS317
8.0
74
0.50
16.33
16.0
SS317L
8.0
74
0.49
16.33
14.4
SS321
8.0
72
0.50
16.33
16.6
SS347
8.0
73
0.50
16.33
16.6
SS409
7.7
60
0.46
25.12
11.7
SS430
7.8
60
0.46
25.95
10.4
SS434
7.8
60
0.46
25.95
11.9
SS410
7.8
57
0.46
25.12
9.9
SS410S
7.8
55
0.46
25.12
10.3
 
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Mechanical Properties

Stainless
Steel
Grade
Designation
Condition
Uts
N/mm2
Min.
0.2% Proof Street
N/mm2
Min.
%Elongation on 50 mm GL
Min
Hardness RB Max.
SS301
Annealed
515
205
40
88
SS302
Annealed
515
205
40
92
SS304
Annealed
515
205
40
92
SS304L
Annealed
485
170
40
88
SS309
Annealed
515
205
40
95
SS309S
Annealed
515
205
40
95
SS310
Annealed
515
205
40
95
SS310S
Annealed
515
205
40
95
SS316
Annealed
515
205
40
95
SS316L
Annealed
485
170
40
95
SS317
Annealed
515
205
40
95
SS317L
Annealed
515
205
40
95
SS321
Annealed
515
205
40
92
SS347
Annealed
515
205
40
92
SS409
Annealed
380
205
20
80
SS430
Annealed
450
205
22*
88
SS434
Annealed
530
365
23
83
SS410
Annealed
450
205
22*
95
SS410S
Annealed
415
205
22*
88

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 * 20 % Min for Thickness less than 1.25 mm

 
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Other Characterstics

Stainless
Steel
Grade
Designation
Abrasion
Resistance

Cold Forming
(Drawing and Stamping)

Weldability
Melting
Temp.
Range degree Centigrade
Scaling
Temp Degree Centigrade
SS301
Good
Good
Excellent
1400-1420
800
SS304
Good
Excellent
Excellent
140-1450
900
SS304L
Good
Excellent
Excellent
1400-1450
900
SS309
Good
Good
Good
1400-1450
1100
SS309S
Good
Good
Excellent
1400-1450
1100
SS310
Good
Good
Good
1400-1450
1100
SS310S
Good
Good
Excellent
1400-1450
1100
SS316
Good
Good
Excellent
1370-1400
900
SS316L
Good
Good
Excellent
1370-1400
900
SS317
Good
Good
Excellent
1370-1400
870
SS317L
Good
Good
Excellent
1425-1430
925
SS321
Good
Good
Excellent
1400-1430
900
SS347
Good
Good
Excellent
1400-1430
900
SS409
Good
Fair
Fair
1425-1510
700
SS410
Good
Fair
Fair
1480-1530
700
SS430
Good
Fair
Fair
1430-1510
800
SS434
Good
Fair
Fair
1430-1510
800

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