Closest Equivalent Alloy UNS Closest DIN 17445 ASTM -
A351/A494/
A743/A890 Gr
C % Ni % Cr % Mo % Si % Mn% others % Applications
AISI 410 J91150 1.4008 CA15 0.15
max
1.0
max
11.5 -
14.0
0.5
max
1.5
max
1.0
max
- Valves and valve trim, pump parts for power plant and refining equipments, sliding or wearing parts like wedges for paper mills.
CA40 J91153 - CA40 0.20 -
0.40
1.0
max
11.5 -
14.0
0.5
max
1.5
max
1.0
max
- Valves and valve trim, pump parts for power plant and refining equipments, sliding or wearing parts like wedges for paper mills. Has greater hardness then CA15
AISI 420 S42000 1.4021 - 0.15
min
1.0
max
12.0 -
14.0
- 1.0
max
1.0
max
- Used in wear resistant applications such as ROT (run over table) rolls in steel plants.
AISI 416 S41600 1.4005 CA15F 0.08 -
0.15
- 12.0 -
14.0
0.6
max
1.0
max
1.5
max
0.04 P max,
0.15-0.35 S
Similler to CA15 with better machinability.
CA40F J91154 - CA40F 0.20 -
0.40
1.0
max
11.5 -
14.0
0.5
max
1.5
max
1.0
max
0.04 P max,
0.20-0.40 S
Similler to CA40 with better machinability.
AISI 440A S44004 - - 0.60 -
0.75
- 16.0 -
18.0
0.75
max
1.0
max
1.0
max
- Cutlery, valve parts, surgical instruments.
AISI 440C S44003 1.4125 - 0.95 -
1.20
- 16.0 -
18.0
0.75
max
1.0
max
1.0
max
- Used in applications requiring higher hardness and basic corrosion resistance.
1.4122 - 1.4122 GX 35CrMo17 0.33 -
0.43
1.0
max
15.5 -
17.5
0.9 -
1.3
1.0
max
1.0
max
- -
F6NM J91540 1.4313 CA6NM 0.06 max 3.5 -
4.5
11.5 -
14.0
0.4 -
1.0
1.0
max
1.0
max
- Parts of turbines, compressors, pumps and valves for chemical, pollution control, marine and power industries. Exhibits good cavitation resistance.
- - - ASTM A487
CA6NM
Class A & B
0.06
max
3.5 -
4.5
11.5 -
14.0
0.4 -
1.0
1.0
max
1.0
max
- Valve cages sleeve and parts where higher corrosion resistance is required. Usually supplied in 285 BHN max but can also be supplied under 255 BHN max as per NACE standard for applications requiring higher toughness.
AISI 436 S43600 1.4526 - 0.08
max
- 16.0 -
18.0
0.8 -
1.4
1.0
max
1.0
max
0.015 S max,
0.04 N max,
7(C+N)+0.1 ≤ 1.00 - Nb
-
CB30 J91803 - CB30 0.30
max
2.0
max
18.0 -
21.0
- 1.5
max
1.0
max
- Non-hardenable grade with excellent resistance to nitric acid, alkaline solutions and many organic chemicals.
1.4418 - 1.4418 - 0.06
max
4.0 -
6.0
15.0 -
17.0
0.8 -
1.5
0.7
max
1.50
max
0.015 S max,
N ≥ 0.02
-
28/4 J92615 - CC50 0.5
max
4.0
max
26.0 -
30.0
- 1.5
max
1.0
max
- Used in chemical, mining, pulp and paper machinery.
BUME 5 - 1.4138 - 0.90 -
1.30
- 27.0 -
29.0
2.0 -
2.5
2.0
max
1.0
max
- -
1.4746 - 1.4746 - 0.12
max
- 24.0 -
27.0
- 1.0
max
1.0
max
0.03 S max,
TI ≥ 4xC ≤ 0.80
-
15.5 PH J92100 1.4594 ASTMA 747
Gr CB7Cu-2
0.07
max
4.5 -
5.5
14.0 -
15.5
- 1.0
max
0.7
max
2.5-3.2 Cu,
0.15-0.35 Nb,
0.05 N max
Wearing parts requiring corrosion resistance and high strength, such as in valves and in food processing applications, marine environment, petrochemical, pulp and paper industries at temperature upto 315oC.
17.4 PH J92180 1.4542 ASTM A747
Gr CB7Cu-1
0.07
max
3.6 -
4.6
15.5 -
17.7
- 1.0
max
0.7
max
2.5-3.2 Cu,
0.15-0.35 Nb,
0.05 N max
Wearing parts requiring corrosion resistance and high strength such as in valves and in food processing, marine environment, petrochemical, pulp and paper industries at temperature upto 315oC.
CD4MCu J93370 - CD4MCu 0.04
max
4.75 -
6.0
24.5 -
26.5
1.75-
2.25
1.0
max
1.0
max
2.75-3.25 Cu Used in chemical processing, marine environment, water supply, petroleum refining, pulp & paper, soap manufacturing and textile industries.
CD4MCuN J93372 - 1B
CD4MCuN
0.04
max
4.75 -
6.0
24.5 -
26.5
1.7 -
2.3
1.0
max
1.0
max
2.7-3.3 Cu,
0.1-0.2 N
Used in chemical processing, marine environment, water supply, petroleum refining, pulp & paper, soap manufacturing and textile industries.
AISI 329 S32900 - - 0.10
max
3.0 -
6.0
25.0 -
30.0
1.0 -
2.0
1.0
max
2.0
max
0.03 S,
0.04 P max
Heat exchangers in pulp mills, nitic acid plants and phosphoric acid plants.
Lean Duplex S32304 1.4362 - 0.03
max
3.5 -
5.5
22.0 -
24.0
0.1 -
0.6
1.0
max
2.0
max
0.015 S max,
0.1-0.6 Cu,
0.05-0.20 N.
-
Lean Duplex - 1.4655 - 0.03
max
3.5 -
5.5
22 -
24
0.1 -
0.6
1.0
max
2.0
max
0.015 S max,
1.0-3.0 Cu,
0.05-0.20 Cu.
-
Duplex S32550
J93373
1.4507 1C
CD3MCuN
0.03
max
6.0 -
8.0
24.0 -
26.0
3.0 -
4.0
0.07
max
2.0
max
0.015 S max,
0.2-0.3 N ,
1.0-2.5 Cu
Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required
Duplex J93345 - 2A
CE8MN
0.08
max
8.0 -
11.0
22.5 -
25.5
3.0 -
4.5
1.5 max 1.0 max 0.1-0.3 N Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
Duplex J93371 - 3A
CD6MN
0.06 max 4.0 -
6.0
24.0 -
27.0
1.75 -
2.5
1.0
max
1.0
max
0.15-0.25 N Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
2205 J92205
S31803
S32205
1.4462 4A
CD3MN
0.03
max
4.5 -
6.5
21.0 -
23.5
2.5 -
3.5
1.0
max
1.5
max
1.0 Cu max,
0.1-0.3 N
Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
Super Duplex J93404 - 5A
CE3MN
0.03
max
6.0 -
8.0
24.0 -
26.0
4.0 -
5.0
1.0
max
1.5
max
0.1-0.3 N Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
Super Duplex J93380 - 6A CD3MWCuN 0.03
max
6.5 -
8.5
24.0 -
26.0
3.0 -
4.0
1.0
max
1.0
max
0.5-1 Cu,
0.50-1.0 W,
0.2-0.3 N
Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
AISI 304 J92600 1.4308 CF8 0.08
max
8.0 -
11.0
18.0 -
21.0
0.5
max
2.0
max
1.5
max
- General service, pumps, valves, etc. for chemical processing, oil refining, textile dyeing, food machinery, fuel jets, fuel valves engine supports, etc.
AISI 347 J92710 1.4552 CF8C 0.08
max
9.0 -
12.0
18.0 -
21.0
- 2.0
max
1.5
max
Nb(Cb)=8xC min -
upto
1% max.
Used where heat treatment is not possible after welding.
AISI 304L J92500 1.4311 CF3 0.03
max
8.0 -
12.0
18.0 -
21.0
0.5
max
2.0
max
1.5
max
- General service, pumps, valves, etc. for chemical processing, oil refining, textile dyeing, food machinery, fuel jets, fuel valves engine supports, etc.
AISI 304LN - 1.4311 - 0.03
max
8.0 -
10.5
18.0 -
20.0
- 1.0
max
2.0
max
0.10-0.16 N Parts for the construction of apparatus and vessels for refrigerators
AISI 305 - 1.4303 - 0.06
max
10.5 -
13.0
17.0 -
19.0
- 1.0
max
2.0
max
- Parts for free spinning deep drawing and severe cold heading operations.
AISI 316 J92900 1.4408 CF8M 0.08
max
9.0 -
12.0
18.0 -
21.0
2.0 -
3.0
1.5
max
1.5
max
- Pumps, valves, fittings, etc. in reducing acids, paper mill equipments, chemical process industries, sea water service, etc.
AISI 316L J92800 1.4404 CF3M 0.03
max
9.0 -
13.0
17.0 -
21.0
2.0 -
3.0
1.5
max
1.5
max
- Pumps, valves, fittings, etc. in reducing acids, paper mill equipments, chemical process industries, sea water service, etc.
AISI 316Ti S31635 1.4571 0.08
max
10.5 -
13.5
16.5 -
18.5
2.0 -
2.5
0.75
max
2.0
max
Ti = 5xC min
upto
0.70 max
Pumps, valves, fittings, etc. in reducing acids, paper mill equipments, chemical process industries, sea water service, etc. Exhibits prolonged endurance at elevated temprature compared to 316
AISI 316LN J92804 1.4406 CF3MN 0.03
max
10.0 -
12.5
17.0 -
18.0
2.0 -
2.5
1.0
max
1.5
max
0.1-0.2 N Used for high strength applications.
AISI 316L
Ferrite free
S31653 - CF3M
(Low Ferrite)
0.03
max
13.0 -
14.0
16.0 -
18.0
2.0 -
3.0
1.0
max
2.0
max
- Used in hot zinc bath for galvanizing operations.
AISI 317 J93000 1.4438 CG8M 0.08
max
9.0 -
13.0
18.0 -
21.0
3.0 -
4.0
1.5
max
1.5
max
- Part for pulp and paper mill equipments and chemical process industries.
6 Mo J93254 - CK3M
CuN
0.025
max
17.5 -
19.5
19.5 -
20.5
6.0 -
7.0
1.0
max
1.0
max
0.5-1.0 Cu
0.18-0.24 N
-
AISI 317L J93000 1.4438 CG3M 0.03
max
9.0 -
13.0
18.0 -
21.0
3.0 -
4.0
1.5
max
1.5
max
- Parts for paper mill, chemical and hot dip galvanizing industries.
AISI 317LN - 1.4442 CG3MN 0.03
max
11.0 -
15.0
18.0 -
20.0
3.0 -
4.0
0.75
max
2.0
max
0.03 S max,
0.1-0.2 N
Handling of sulphur, pulp liquer dyestuffs, sulphuric acids.
AISI 310 MoLN - 1.4466 - 0.03 21.0 -
23.0
24.0 -
26.0
2.0 -
2.5
0.7
max
2.0
max
0.025 P max,
0.01 P max,
0.1-0.16 N
-
CN7M
(28Ni21Cr2.5Mo)
N08007 - CN7M 0.07
max
27.5 -
30.5
19.0 -
22.0
2.0 -
3.0
1.5
max
1.5
max
3.0-4.0 Cu Used in food processing, munitions manufacturing, rayon manufacturing, oil refining, paints, pharmaceuticals, synthetic rubber, soap, textile & dye industries.
904L
25Ni20Cr4Mo
N08904 1.4539 - 0.025
max
24.0 -
26.0
19.0 -
21.0
4.0 -
5.0
1.0
max
2.0
max
1.0-2.0 Cu Used in food processing, munitions manufacturing, rayon manufacturing, oil refining, paints, pharmaceuticals, synthetic rubber, soap, textile & dye industries.
CG6MMN J93790 1.3964 CG6MMN 0.06
max
11.5 -
13.5
20.5 -
23.5
1.5 -
3.0
1.0
max
4.0
6.0
0.1 - 0.3 Nb
0.1 - 0.3 Va
0.2 - 0.4 Ni
Similar to Nitronic 50
CF10SMnN J92972 - CF10SMnN 0.1
max
8.0 -
9.0
16.0 -
18.0
-
3.5 -
4.5
7.0 -
9.0
0.08 - 0.18 N Similar to Nitronic 60
Alloy 28 N08028 - - 0.03
max
26.0 -
28.0
30.0 -
34.0
3.0 -
4.0
1.0 -
max
2.5
max
0.06-
1.40 Cu
-
R-55
(58Ni23Cr4Mo)
- - - 0.15
max
55.0 -
60.0
22.0 -
24.0
4.0 -
5.0
3.0 -
4.0
1.5
max
4.0-5.0 Cu Used in pumps, valves and other process equipments for viscose rayon plants operating in severe corrosive conditions.
Alloy 400
M35
(65Ni30Cu)
N24135 - M35-1 0.35
max
62.0 -
68.0
- - 2.0
max
1.5
max
26.0-33.0 Cu,
2.5 Fe max
Suitable for sea water applications. Exhibits high resistance to destructive chemical action & mechanical wear. Similar to Monel
M30-H N24030 - ASTM A494
M30H
0.30
max
Balance - - 2.7 -
3.7
1.5
max
0.02 S max,
0.03 P max,
27.0-33.0 Cu,
3.5 Fe max
Used in rotating parts because it combines corrosion resisstance with high strength and wear resisitance. Similar to Monel
Alloy 600 N06040 - ASTM A494
CY40
0.40 Balance 14.0 -
17.0
- 3.0
max
1.5
max
11.0 Fe max Used to handle hot corrosives under moderately oxidizing conditions due to its high resistance to intergranular attack and stress corrosion cracking. Can be used from cryogenic temperature upto 1093oC. Similar to Inconel
CW6M N30107 Chlorimet Alloy 3 ASTM A494
CW6M
0.07 Balance 17.0 -
20.0
17.0 -
20.0
1.0
max
1.0
max
3.0 Fe max Resists oxidizing agents such as wet chlorine, chlorine gas, hypochlorite, chlorine dioxide solutions, ferric chloride and nitric, hydrochloric and sulphuric acids at moderate temperature. Excellent resistance to corrosion in all concentration of sulphuric acid upto 65C.
Alloy 625 N26625 - ASTM A494
CW6MC
0.02
max
Bal 20.0 -
23.0
8.0 -
10.0
0.75
max
1.0
max
3.2-4.5 Nb
5.0 Fe max
Can be used from cryogenic temperature up to 1000°C with high corrosion resistance. Used in chemical processing equipment, ship and submarine parts and nuclear reactors. Similar to Inconel
Alloy 825 N08826 - ASTM A494
Cu5MCuC
0.05 38.0 -
44.0
19.5 -
23.5
2.5 -
3.5
1.0
max
1.0
max
1.5-3.5 Cu,
0.6-1.2 Nb
Phosphoric acid evaporator, pickling equipment , chemical processing vessels and piping, equipment for recovery of spent nuclear fuel. Similar to Incoloy
Alloy C-276 N30002 - ASTM A494
CW12MW
0.12
max
50.0 -
55.0
15.5 -
17.5
16.0 -
18.0
1.0
max
1.0
max
3.75-5.25 W,
4.5-7.5 Fe,
0.2-0.4 V.
Exhibits outstanding resistance to highly corrosive chemicals such as wet chlorine, strong hypochloride solutions, hydrochloric acid, sulphuric acid and nitric acid at moderate temperatures or under oxidizing conditions. Similar to Hastelloy
Alloy C (Mod) N26455 - ASTM A494
CW2M
0.02 Balance 15.0 -
17.5
15.0 -
17.5
0.8
max
1.0
max
2.0 Fe max,
1.0 W max,
Outstanding high temperature stability. Exhibits good ductility and corrosion resistance suitable for most chemical process application in as welded condition. Resistance to stress corrosion cracking and oxidizing atmosphere up to 1040oC. Similar to Hastelloy
Alloy C-22 N26022 - ASTM A494
CX2MW
0.02
max
Balance 20.0 -
22.5
12.5 -
14.5
0.8
max
1.0
max
2.0-6.0 Fe,
2.5-3.5 W,
0.35 V max
Used for acetic acid, acetic anhydride production, chlorination systems, complex acid mixtures, electro galvanizing rolls, flue gas scrubber systems, hydrogen fluoride scrubber system and nuclear fuel reprocessing. Similar to Hastelloy
CX2M N26059 - ASTM A494
CX2M
0.02 Balance 22.0 -
24.0
15.0-
16.5
0.5
max
1.0
max
1.5 Fe max Used for acetic acid, acetic anhydride production, chlorination systems, complex acid mixtures, electro galvanizing rolls, flue gas scrubber systems, hydrogen fluoride scrubber system, incineration scrubber systems, incineration scrubber systems and nuclear fuel reprocessing. Similar to Hastelloy
Alloy B N30012 - ASTM A494
N12MV
0.12
max
61.0 -
69.0
1.0
max
26.0-
30.0
1.0
max
1.0
max
0.2-0.6 Va,
4.0-6.0 Fe.
Excellent resistance to all concentrations of sulphuric acid upto 650oC and good resistance upto the boiling point in the concentration range of 10-60%. Highly resistance to acetic acid exposure. Similar to Hastelloy
Alloy B (Mod) J30007 Chlorimet Alloy 2 ASTM A494
N7M
0.07 Balance 1.0
max
30.0-
33.0
1.0
max
1.0
max
3.0 Fe max Suitable for equipment handling hydrochloric acid in all concentration and temperature. Resistant to hydrogen chloride gas and sulfuric, acetic and phosphoric acid. Exposure between 5400C to 8150C should be avoided. Similar to Hastelloy
Alloy G N06007 - - 0.05
max
Balance 21.0 -
23.5
5.5 -
7.5
1.0
max
1.0 -
2.0
18.0-21.0 Fe,
1.75-2.5 Nb,
1. -2.5 Cu,
0-2.5 C,
1.0 W max.
Used in chemical application, particularly those involving sulphuric and phosphoric acid, pulp digestion operations, dissolver vessel and attendant equipment for spent nuclear fuel elements. Similar to Hastelloy
Alloy W N10004 - - 0.12
max
Balance 4.0 -
6.0
23.0-
26.0
1.0
max
1.0
max
4.0-7.0 Fe,
0.6 V max,
2.5 Co max.
Exceptional strength and oxidation resistance upto 1200C. Used in many industrial furnace applications due to its resistance to oxidizing, neutral and carburizing atmosphere. Similar to Hastelloy
Alloy X N06002 - - 0.05 -
0.15
Balance 20.5 -
23.0
8.0 -
10.0
1.0
max
1.0
max
0.5-2.5 Cu,
0.2-1.0 W,
17.0-20.0 Fe.
Exceptional strength and oxidation resisitance upto 1200oC. Used in many industrial furnace applications because of its resistance to oxidizing, neutral and carburizing atmosphere. Similar to Hastelloy
Ni-Resist
AFG 1
- - ASTM A436
Type 1
3.0
max
13.5 -
17.5
1.5 -
2.5
- 1.0 -
2.8
0.5 -
1.5
5.5-7.5 Cu Mechanical seals & their machinery for the production of single superphosphate and related fertilizers.
Ni-Resist 
AFG 2
- - ASTM A436 Type 2 3.0
max
18.0 -
22.0
1.5 -
2.5
- 1.0 -
2.8
0.5 -
1.5
0.5 Cu max Mechanical seals & their machinery for the production of single superphosphate and related fertilisers