Hollow Bars, Liners, Cages, Seat Rings, Inserts, Glands, Flanges, Sleeves
Closest Equivalent Alloys UNS Closest DIN 17445 ASTM - A351/A743/
A890
Micro-Structure Heat Treatment T.S. Kg/mm2 min Y.S. Kg/mm2 min. Elong-action min.% Applications
AISI 410 J91150 1.4008 CA15 Martensite Hardened & Tempered 63.24 45.90 18 Valves and valve trim, pump parts for power plant and refining equipments, sliding or wearing parts like wedges for paper mills.
CA40 J91153 - CA40 Martensite Hardened & Tempered - - - 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 - Martensite Hardened & Tempered 66.00 46.00 14 Used in wear resistance applications such as ROT (run over table) rolls in steel plants.
AISI 416 S41600 1.4005 CA15F Martensite Hardened & Tempered 77.00 59.00 18 Similler to CA15 with better machinability.
CA40F J91154 - CA40F Martensite Hardened & Tempered 70.00 49.50 12 Similler to CA40 with better machinability.
AISI 440A S44004 - - Martensite Annealed - - - Cutlery, valve parts, surgical instruments.
AISI 440C S44003 1.4125 - Martensite Annealed - - - Used in applications requiring higher hardness and basic corrosion resistance.
1.4122 - 1.4122 - - - - - - -
F6NM J91540 1.4313 CA6NM Martensite Hardened & Tempered 77.00 56.00 15 Parts of turbines, compressors, pumps and valves for chemical, pollution control, marine and power industries. Exhibits good cavitation resistance.
- - - Class A
Class B
ASTM A487
Gr CA6NM
Martensite Hardened & Tempered 77.01
70.38
56.10
52.53
15
17
Valve cages, sleeves and parts where higher corrosion resistance is required. Usually applied in 285 BHN max but can also be applied under 255 BHN max as per NACE standard for applications requiring higher toughness.
AISI 436 S43600 1.4526 - - - - - - -
CB30 J91803 - CB30 Ferrite Air Cooled 45.90 20.91 - Non-hardenable grade with excellent resistance to nitric acid, alkaline solutions and many organic chemicals.
1.4418 - 1.4418 - - - - - - -
28/4 J92615 - CC50 Ferrite Annealed - - - Used in chemical, mining, pulp and paper machinery
BUME 5 - 1.4138 - - - - - - -
1.4746 - 1.4746 - - - - - - -
15.5 PH J92110 1.4594 ASTM A747
Gr CB7Cu-2
Martensite Solution Annealed & Precipitation Hardened 105.80 81.10 15 Wearing parts requiring corrosion resistance and high strength such as valves and in food processing, marine environment, petrochemical, pulp and paper industries at temperature upto 315oC.
17.4 PH J92180 1.4542 ASTM A747
Gr CB7Cu-1
Martensite Solution Annealed & Precipitation Hardened 105.80 81.10 15 Wearing parts requiring corrosion resistance and high strength such as valves and in food processing, marine environment, petrochemical, pulp and paper industries at temperature upto 315 C.
CD4MCu J93370 - CD4MCu Duplex Solution Annealed 70.00 49.50 16 Used in chemical processing, marine environment, water supply, petroleum refining, pulp & paper, soap manufacturing and textile industries.
CD4MCuN J93372 - 1B
CD4MCuN
- Solution Annealed 70.00 49.50 16 Used in chemical processing, marine environment, water supply, petroleum refining, pulp & paper, soap manufacturing and textile industries.
AISI 329 S32900 - - Duplex Solution Annealed 73.00 56.00 25 Heat exchangers in pulp mills, nitic acid plants and phosphoric acid plants.
Lean Duplex S32304 1.4362 - - Solution Annealed - - - -
Lean Duplex - 1.4655 - - Solution Annealed - - - -
Duplex S32550
J93373
1.4507 1C
CD3MCuN
Duplex Solution Annealed 70.38 46.00 25 Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
Duplex J93345 - 2A
CE8MN
Ferrite + Austenite Solution Annealed 66.81 45.90 25 Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
Duplex J93371 - 3A
CD6MN
Ferrite + Austenite Solution Annealed 66.81 45.90 25 Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
2205 J92205
S31803
S32205
1.4462 4A
CD3MN
Ferrite + Austenite Solution Annealed 63.24 42.33 25 Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
Super Duplex J93404 - 5A
CE3MN
Ferrite + Austenite Solution Annealed 70.38 52.53 18 Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
Super Duplex J93380 - 6A
CD3MWCuN
Ferrite + Austenite Solution Annealed 70.38 45.90 25 Valve cages, sleeves and parts where enhanced corrosion resistance & strength is required.
AISI 304 J92600 1.4308 CF8 Austenite Solution Annealed 49.47 21.09 35 General service, pumps, valves, etc. for chemical processing, oil refineries, textile dyeing, food machinery, fuel jets, fuel valves engine supports, etc.
AISI 347 J92710 1.4552 CF8C Austenite Solution Annealed 49.48 20.91 30 Used where heat treatment is not possible after welding.
AISI 304L J92500 1.4311 CF3 Austenite Solution Annealed 49.47 21.09 35 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 - Austenite Solution Annealed 49.47 21.09 35 Parts for the construction of apparatus and vessels for refrigerators.
AISI 305 - 1.4303 - Austenite Solution Annealed 49.47 21.09 35 Parts for free spinning deep drawing, severe cold heading operations.
AISI 316 J92900 1.4408 CF8M Austenite Solution Annealed 49.47 21.09 30 Pumps, valves, fittings, etc. in reducing acids, paper mill equipments, chemical process industries, sea water service, etc.
AISI 316L J92800 1.4404 CF3M Austenite Solution Annealed 49.47 21.09 30 Pumps, valves, fittings, etc. in reducing acids, paper mill equipments, chemical process industries, sea water service, etc.
AISI 316Ti S31635 1.4571 - Austenite Solution Annealed 49.47 21.09 30 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 - - - - - Used for high strength applications.
AISI 316L
Ferrite free
- - CF3M
(Low Ferrite)
Austenite Solution Annealed 49.47 21.09 30 Used in hot zinc bath for galvanizing operations.
AISI 317 J93000 1.4438 CG8M Austenite Solution Annealed 53.00 29.63 30 Parts for pulp and paper mill equipments and chemical process industries.
6 Mo J93254 - CK3MCuN Austenite Solution Annealed 56.10 26.52 35 -
AISI 317L J93000 1.4438 CG8M Austenite Solution Annealed 53.00 29.63 30 Parts for paper mill, chemical and hot dip galvanizing industries.
AISI 317LN - 1.4442 CG3MN Austenite Solution Annealed 53.00 29.63 30 Handling of sulphur, pulp liquer dyestuffs, sulphuric acids.
AISI 310MoLN - 1.4466 - Austenite Solution Annealed 55.08 25.5 - -
CN7M
(28Ni21Cr2.5Mo)
N08007 - CN7M Austenite Solution Annealed 43.60 17.58 35 Used in food processing, munitions manufacturing, rayon manufacturing, oil refining, paints, pharmaceuticals, synthetic rubber, soap, textile & dye industries.
904L
(25Ni20Cr4Mo)
N08904 1.4539 - Austenite Solution Annealed 43.60 17.58 35 Used in food processing, munitions manufacturing, rayon manufacturing, oil refining, paints, pharmaceuticals, synthetic rubber, soap, textile & dye industries.
CG6MMN J93790 1.3964 CG6MMN Austenite Solution Annealed 59.67 30.09 30 Similar to Nitronic 50
CF10SMnN J92972 - CF10SMnN Austenite Solution Annealed 59.67 30.09 30 Similar to Nitronic 60
Alloy 28 N08028 - - Austenite Solution Annealed - - - -
R-55
(58Ni23Cr4Mo)
- - - Austenite Solution Annealed 50.50 28.05 4 Used in pumps, valves and other process equipments for viscose rayon plants used in severe corrosive conditions.
Alloy 400
M35
(65Ni30Cu)
N24135 - ASTM A494 
M35-1
- - 45.90 -
63.00
22.60 -
28.00
25 Suitable for sea water applications. Exhibits high resistance to destructive chemical action & mechanical wear. Similar to Monel
M30-H N24030 - ASTM A494
M30-H
- - 70.00 42.00 10 Used in rotating parts because it combines corrosion resisstance with high strength and wear resisitance. Similar to Monel
Alloy 600 N06040 - ASTM A494
CY40
Austenite Solution Annealed 49.47 19.89 30 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
Austenite High Temperature Solution Annealed 50.49 28.05 25 Resists oxidizing agents such as wet chlorine, chlorine gas, hypochlorite, chlorine dioxide solutions, ferric chloride and nitric, hydrochloric and sulphuric acids at moderate temperature.
Alloy 625 N26625 - ASTM A494
CW6MC
Austenite Solution 
Annealed
49.47 28.05 25 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
Austenite Solution Annealed and Stabilized 53.04 24.48 20 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
Austenite Solution Annealed 50.63 28.12 4 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
Austenite Solution Annealed 50.49 28.05 20 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
Austenite Solution Annealed 56.10 31.62 30 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
Austenite High temerature Solution Annealed 50.49 27.54 40 Acetic acid, acetic anhydride production, chlorination systems, complex acid mixtures, electro galvanizing rolls, flue gas scrubber systems, hydrogen fluoride scrubber system, incineration scrubber systems and nuclear fuel reprocessing. Similar to Hastelloy
Alloy B N30012 - ASTM A494 
N12MV
Austenite Solution Annealed 53.00 28.05 6 Excellent resistance to all concentrations of sulphuric acid upto 650C 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
Austenite Solution Annealed 53.55 28.05 20 Suitable for equipment handling hydrochloric acid in all concentration and temperature. Resistant to hydrogen chloride gas and sulphuric, acetic and phosphoric acids. Exposure between 540oC to 815oC should be avoided. Similar to Hastelloy
Alloy G N06007 - - Austenite Solution Annealed 72.00 32.00 61 Used in chemical application, particularly those involving sulphuric and phosphoric acid, pulp digestion operations, dissolver vessels and attendant equipment for spent nuclear fuel elements. Similar to Hastelloy
Alloy W N10004 - - Austenite Solution Annealed 87.00 38.00 55 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 - - Austenite Solution Annealed - - - 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
Austenite As Cast 17.54 - - Mechanical seals & their machinery for the production of single superphosphate and related fertilizers.
Ni-Resist 
AFG 2
- - ASTM A436 Type 2 Austenite As Cast 17.54 - - Mechanical seals & their machinery for the production of single superphosphate and related fertilisers