Manufacturer and Supplier of Centrifugal Castings, Sand Castings, Static Castings, Stainless Steel Castings including Stainless Stell Alloys, Nickel Alloys, Cobalt Chromium Alloys for Steel, Pharmaceuticals, Ship Building industries.
Physical Specification of Commonly Cast Corrosion Resistant Alloys
Sr.No. Closest Equivalent Alloy UNS DIN 17445 ASTM A351/A743/ A890 Micro-Structure Heat Treatment Temp C T.S. kg/mm2 min. Y.S. kg/mm2 min. Elong-ation min. % Applications
1 AISI 410 J91150 1.4008 Gr CA-15 Martensite Hardened & Tempered 955 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.
2 AISI420 42000 1.4021 - Martensite Hardened & Tempered 980-1030
600-750
66.00 46.00 14 Wear resistance applications such as ROT (run over table) rolls in steel plants.
3 CA6NM J91540 1.4313 Gr CA6NM Martensite Hardened & Tempered 1000-1050
580-620
77.00 56.00 15 Parts of turbines, compressors, pumps and valves for chemical, pollution control, marine and power industries. Exhibits good cavitation resistance.
4 17.4 PH J92180 1.4542 ASTM A747
Gr CB7Cu-1
Martensite Solution Annealed & Tempered 1100  580 105.80 81.10 15 Wearing parts requiring corrosion resistance and high strength used in valves and in food processing, marine environment, petrochemical, pulp and paper industries at temperature upto 315 C.
5 AISI 304 J92600 1.4308 Gr CF8 Austenite Solution Annealed 1040 49.47 21.09 35 General service, pumps, valves, etc. for chemical processing, oil refineries, textile dyeing, foodmachinery, fuel jets, fuel valves engine supports, etc.
6 AISI 304L J92500 1.4311 Gr CF3 Austenite Solution Annealed 1040 49.47 21.09 35 General service, pumps, valves, etc. for chemical processing, oil refineries, textile dyeing, foodmachinery, fuel jets, fuel valves engine supports, etc.
7 AISI 316 J92900 1.4408 Gr CF8M Austenite Solution Annealed 1040 49.47 21.09 30 Pumps, valves, fittings, etc. in reducing acids, paper mill equipments, chemical process industries, sea water service, etc.
8 AISI 316L J92800 1.4404 Gr CF3M Austenite Solution Annealed 1040 49.47 21.09 30 Pumps, valves, fittings, etc. in reducing acids, paper mill equipments, chemical process industries, sea water service, etc.
9 AISI 317 J93000 1.4438 Gr CG8M Austenite Solution Annealed 1040 53.00 29.63 30 For pulp and paper mill equipments and chemical process industries.
10 CD4MCu J93370 1.4460 Gr CD4MCu Ferrite + Austenite Solution Annealed 1040 70.68 48.79 16 Castings used in chemical processing, marine environment, water supply, petroleum refining, pulp & paper, soap manufacturing and textile industries.
11 Duplex SS J93345 - Gr CE8MN Ferrite + Austenite Solution Annealed Furnace cool from 1120 to 1045. Then quench. 66.81 45.90 25 Same as CD4MCu but with enhanced properties.
12 CN7M
(28Ni21Cr2.5Mo)
N08007 - Gr CN7M Austenite Solution Annealed 1120 43.60 17.58 35 Food processing, munitions manufacturing, rayon manufacturing, oil refining, paints, pharmaceuticals, synthetic rubber, soap, textile & dye industries.
13 904L
(25Ni20Cr4Mo)
- - - Austenite Solution Annealed 1120 43.60 17.58 35 Food processing, munitions manufacturing, rayon manufacturing, oil refining, paints, pharmaceuticals, synthetic rubber, soap, textile & dye industries.
14 R-55
(58Ni23Cr4Mo)
- - - Austenite Solution Annealed 1180 50.50 28.05 4 Used in pumps, valves and other process equipments for viscose rayon plants used in severe corrosive conditions.
15 NiCr
(37Ni32Cr3Mo)
- - - Austenite Solution Annealed 1120 45.00 25.00 - Suitable for corrosion resistance applications in H2So4. Service Hardness 170 to 190BHN.
16 M35
(65Ni30Cu)
N24135 - ASTM A494
M35-1
- - - 45.90- 63.00 22.60- 28.00 25 Suitable for sea water applications. High resistance to destructive chemical action & mechanical wear.
17 CW12MW
(53Ni17Cr17Mo4W)
N30002 - ASTM A494
Gr CW12MW
Austenite Solution Annealed 1180 50.63 28.12 4 This alloy shows outstanding resistance to highly corrosive chemicals such as wet chlorine, strong hypochloride solutions, hydrochloric acid, sulphuric acid and nitric acid at moderate temperatures.
18 N12MV
(65Ni28Mo0.4Va)
N30012 - ASTM A494
Gr N12MV
Austenite Solution Annealed 1095 53.00 28.05 6 This alloy has resistance to corrosion by hot concentrated hydrochloric acid solutions, wet hydrogen chloride and to other non-oxidizing acids and salts.
19 Cast Nickel (95Ni) N02100 - ASTM A494
CZ100
Austenite As Cast - 35.19 12.75 10 For equipment handling corrosives like caustics and where contamination of product with copper & iron is to be avoided.
20 Ni-Resist
AFG 1
- - ASTM A436
Type 1
Austenite As Cast - 17.34 - - This alloy is used in mechanical seals & their machinery for the production of single superphosphate and related fertilizers.