Nation Material

Raw Material Equivalent to International Grades

	ITALIAN	JAPAN	UK	GERMANY	FRANCE	PROPERTIES AND APPLICATIONS
AISI-E-52100	UNI – 100 CR6	JIS –G4805- SUJ 2	BS – EN31	W.N. 1.3505 DIN 100Cr6	AFN 100C6	High hardness and load bearing capacity because of through hardness. Powerful resistance to wear and deformation, excellent surface finish. Precision ball bearings and industrial applications.
AISI- 430	X 8Cr17	JIS – SUS 430	B.S. 430S17	W.N. 1.4016	AFN Z 8 C 17	General purpose non hardenable steel with good corrosion resistance. These balls are used for cosmetic, petroleum & chemical field where hardness is secondary & corrosion resistance is of prime importance.
AISI - 420	UNI X20Cr13	JIS-SUS 420J1	BS 420S29	W.N. 1.4021	AFN Z 20 C13	420 has good corrosion resistance, higher hardness & magnetic in nature. 420 steel balls offer good hardness & brighter surface finish. Balls made from this steel are used for special bearings & valves where corrosion resistance is required along with the wear resistance.
AISI -420B	-	-	B.S. EN56D	W.N. 1.4028 X30Cr13	AFN Z 33 C 13	The good resistance against corrosion together with high hardness render the balls made in this material suitable for valve, special bearings & so on, in which the protection with rustproof –greases is poor or absent.
AISI – 420C	UNI X40Cr14	JIS-SUS420J2		W.N. 1.3541 DIN X47 Cr14	AFN Z 44 C 14	The good resistance against corrosion together with high hardness render the balls made in this material suitable for valve, special bearings & so on, in which the protection with rustproof –greases is poor or absent.
AISI – 440C		JIS-SUS440C		W.N. 1.4125 DIN X105CrMo17	AFN Z 100 CD 17	The 440 stainless steel balls combine the greatest hardness with the highest resistance to corrosion. The balls made of this material are the best for application on valves, bearing & ball pens.
AISI 302			B.S.302S25	W.N. 1.4319	AFN Z 10 CN 18.09	These are austenitic stainless steel with excellent resistance to corrosion by oxidizing agents, most organic chemical, foodstuffs & sterilizing solutions. Hence the balls made from these steels are used for food products, aerosols, home sprays, perfumes & medical ( pharmaceutical) equipments.
AISI – 304	UNI X5CrNi1810	JIS-SUS304	B.S.304S15	W. N. 1.4301	AFN Z 6 CN I8.09	The balls of AISI 304 steel are resistant to the corrosion of oxidative solutions, particularly to those produce by chemical components of organic nature. However they are not very resistant to the attacks of sulphuric & hydrochloric acid. They are therefore suitable for valves & relevant applications , in which resistance to corrosion plays an important role, whilst hardness is a secondary factor.
AISI – 304L	UNI X2CrNi 1811	JIS-SUS304L	B.S.304S12	W.N. 1.4306	AFN Z 2 CN I8.10	Higher resistance to corrosion than 304, exceptional for weldability and plasticity, very low magnetic residual, applications similar to 304.
AISI - 316	UNI X5CrNiMo17122	JIS-SUS316	BS-316S16	W.N. 1.4401 DIN X5CrNiMo17122	AFN Z 6 CND 17.11	It has better resistance to corrosion under particular circumstances & this is principally due to the addition of molybdenum. At first studied to resist to the corrosion of components with sulphuric acid, is now primarily used for application in paper industry, in food industry & for other processes of industrial chemistry.
AISI – 316L	UNI X2CrNiMo1712	JIS-SUS316L	B.S.316S12	W.N. 1.4404	AFN Z 2 CND 17.12	Higher resistance to corrosion than 316, applications similar to 316.
AISI-321	UNI X6CrNiTi 1811	JIS- SUS 321	B.S. 321 S 31	W.N. 1.4541	AFN Z 6 CNT 18.10	An austenitic stainless steel similar to SS 304, but stabilized with titanium to avoid inter-granular corrosion. It is used for aircraft, pressure vessels, carburetors etc.
AISI S2	UNS T-41902 , ASTM A 681 , SAE J 437 , FED QQ-T-570					These balls provide the toughness & strength necessary for severe shock loads. S2 Tool steel balls are hardened throughout and have unusually good wear characteristics. These balls find most frequent use in oil field equipment and offshore drilling operations. They provide good service in withstanding the abrasion of pulverized rock and mud slurries.