321 Stainless Steel Bar

Product Introduction The 321 Black Polished Round Bar redefines industrial elegance, combining titanium-stabilized heat resistance with a mirror-grade black oxide finish. Engineered for applications demanding visual sophistication and extreme durability, it excels in luxury architectural frameworks, high-temperature décor, and precision instrumentation. Its seamless blend of dark luster and technical prowess resists both thermal scaling and environmental degradation. Global Compliance & Surface Finish Standards Region Material Standard Finish Specification USA ASTM A314 AMS 2700 (Electrochemical Polish) Europe EN 10088-2 DIN 50939 (Black Oxide Coating) Japan JIS G4303 SUS 321-BP (Class 4 Reflectivity) International ISO 9444 Ra ≤0.2μm (Post-Polish Roughness)       Material Innovation Core Alloy Attributes Titanium Stabilization: Ti ≥5×C% prevents intergranular corrosion, even after prolonged exposure to 800°C. Black Oxide Layer: 3–5μm thickness via controll…

Anti-Slip Grating Stainless Steel Wire Stainless Steel Round Bar Stainless Steel Round Pipe Or Tube Stainless Steel Sheet/Plate