Steellite Metal & Tubes is among the most reliable 15‐5 PH Tubes Tubes Manufacturers in India, producing high-performance stainless steel tubing that is specifically designed for challenging industrial applications globally. The 15‐5 PH grade, also known as UNS S155000, is a precipitation-hardening martensitic stainless steel that is characterized by very good corrosion resistance, a high strength level, and superior mechanical properties.