Chemical Composition

Austenitic & Super Austenitic Stainless Steel
Grade UNS No. EN No. C Cr NI Mo Others
304
S30400
1.4301
0.08
18.00 - 20.00
8.00 - 12.00
-
-
304 L
S30403
1.4307
0.035
18.00 - 20.00
8.00 - 12.00
-
-
310 S
S31008
1.4845
0.08
24.00 - 26.00
19.00 - 22.00
-
-
316
S31600
1.4401
0.08
16.00 - 18.00
10.00 - 14.00
2.00 - 3.00
-
316 L
S31603
1.4404
0.035
16.00 - 18.00
10.00 - 14.00
2.00 - 3.00
-
316 H
S31609
-
0.04 - 0.10
16.00 - 18.00
10.00 - 14.00
2.00 - 3.00
-
316 Ti
S31635
1.4571
0.08
16.00 - 18.00
10.00 - 14.00
2.00 - 3.00
Ti:5x(C+N) - 0.7
317 L
S31703
1.4438
0.035
18.00 - 20.00
11.00 - 15.00
3.00 - 4.00
-
321
S32100
1.4541
0.08
17.00 - 19.00
9.00 - 12.00
-
Ti:5x(C+N) - 0.7
347
S34700
1.4550
0.08
16.00 - 18.00
10.00 - 14.00
-
-
347 H
S34709
1.4551
0.04 - 0.10
17.00 - 20.00
9.00 - 13.00
-
-
904 L
S8904
1.4539
0.02
19.00 - 23.00
23.00 - 28.00
4.00 - 5.00
N:0 10 max
Cu: 10 - 20

Ferritic Stainless Steel
Grade UNS No. EN No. C Cr NI Mo Others
405
S30400
1.4301
0.08
18.00 - 20.00
8.00 - 12.00
-
-
409
S30403
1.4307
0.035
18.00 - 20.00
8.00 - 12.00
-
-
410
S31008
1.4845
0.08
24.00 - 26.00
-
-
-

Duplex & Super Duplex Stainless Steel
Grade UNS No. EN No. C Cr NI Mo Others
Alloy 2205
31803
1.4462
0.03
21.00 - 23.00
4.50 - 6.50
2.50 - 3.50
N : 0.08 - 0.20
Alloy 2507
32750
1.4410
0.03
24.00 - 26.00
6.00 - 8.00
3.00 - 4.50
N : 0.24 - 0.32
Alloy 2205
32760
1.4501
0.05
24.00 - 26.00
6.00 - 8.00
3.00 - 4.00
N : 0.20 - 0.30

Nickel Alloys
Grade UNS No. EN No. C Cr NI Mo Others
Alloy 20
8020
2.4460
0.07
19.00 - 21.00
32.00 - 38.00
2.00 - 3.00
Cu : 3.00 - 4.00
Alloy 28
8028
1.4563
0.03
26.00 - 28.00
30.00 - 34.00
3.00 - 4.00
Cu : 0.60 - 1.40
Monel 400
4400
2.4360
0.30
-
63.00 Min
-
Cu : 28.00 - 34.00
Inconel 600
6600
2.4816
0.15
14.00 - 17.00
72.00 Min
-
Fe: 6.00 - 10.00
Inconel 625
6625
2.4865
0.10
20.00 - 23.00
58.00 Min
8.00 - 10.00
Fe: 5.00 Max
Nb + Ta: 3.15 - 4.15
Inconel 800
8800
-
0.10
19.00 - 23.00
30.00 - 35.00
-
Fe : 39.50 Max
Inconel 825
8825
2.4858
0.05
19.50 - 23.50
38.00 - 46.00
2.50 - 3.50
Fe : 22.00 Min
Hastalloy C-276
N 10276
-
0.01
14.50 - 16.50
-
15.00 - 17.00
Fe : 5.00 Max
Nb +Ta : 3.15 - 4.15
ASTM
American Society for Testing of Materials
ASME
American Society for Mechanical Engineers
SAE
Society of Automative Engineers
DIN
Deutsches Institute for Normung
JIS
Japazn Industrial Standards
UNS
Unified Numbering System
GOST
Gosudarstvenil Standart
TEMA
Tubular Exchanger Manufacturer Association
PED
Pressure Equipment Directive
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