N. Gandhi and Co. Manufactures Stainless Steel Balls with Resistance to Corrosion. N. Gandhi and Co. Is an ISO 9001 certified company. The company manufactures high-precision steel balls, non-ferrous and non-metallic balls including ceramic, glass and plastic. The Stainless Steel Balls with Resistance to Corrosion have lower carbon content than 302 Stainless Steel. The Stainless Steel Balls are an austenitic, unhardened stainless steel with excellent resistance to corrosion by oxidizing agents, most organic chemicals, food stuffs and sterilizing solutions.