China Top Manufacturer/Tool Steel Supermarket of Stainless Steel 420ss/S136/Pak90/618/4cr13nimov Round Bar/Flat Bar/Block

China Top Manufacturer/Tool Steel Supermarket of Stainless Steel 420ss/S136/Pak90/618/4cr13nimov Round Bar/Flat Bar/Block. Complete Production Line: Own hydropower, smelting, forging, heat treatment, and testing centers ensure quality control from raw stage. Large Stock Availability: Over 8,000 tons of hot forged tool steels in stock, including S136, 420SS, and PAK90. Quick Delivery: Fast delivery from stock within 3 days to any port in China. High Hardness & Corrosion Resistance: Martensitic stainless steel with 52-54 HRC hardness and resistance to organic acids and salts. Wide Specification Range: Diameter 80-1000mm, Thickness 80-800mm, Width 100-1800mm available in round, flat, and block shapes. Professional Manufacturer: Established in 2006 with 480+ staff, exporting to 23 countries including USA, Germany, and Japan. Advanced Forging Capability: Equipped with 4500T, 3150T, and 1600T forging presses plus hydraulic hammers for large parts. Strict Quality Testing: 27 sets of physical and chemical test equipment ensuring compliance with ASTM and DIN standards.