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CHEMICAL COMPOSITION
| 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 |