The Premium Heat‑Resistant Coated Steel
Aluminized silicon steel (Type 1) from CNB features an Al‑Si alloy coating (approx. 90% Al, 10% Si) that provides unmatched protection against high‑temperature oxidation and scaling. It bridges the gap between lower‑cost GI/GL and expensive stainless steel, offering reliable service up to 550°C. Combined with excellent reflectivity and corrosion resistance, it is the standard material for automotive exhaust systems, industrial ovens, and household cooking appliances.
Advantages Over Competitors
High‑Temperature Stability: Maintains bright appearance and does not flake at 500°C; GI fails above 300°C.
Corrosion Protection: Passes 2400+ hours neutral salt spray at AS100, compared to ~400 hours for GI Z100.
Heat Reflectivity: ~80% reflectivity at temperatures up to 500°C; infrared reflectivity ~95%, reducing energy consumption in ovens.
Formability: Cold‑forming grades DX53D+AS, DX54D+AS allow deep drawing of complex shapes like baking pans and air fryer baskets.
Environmental Safety: ROHS, FDA, LFGB certified; no harmful heavy metal release.
Common Applications
Automotive: Exhaust manifolds (cold end), muffler shells, heat shields, rain collectors.
Home Appliance: Oven liners, toaster ovens, air fryer baskets, baking trays, range hood components.
Industrial: Drying hoppers, thermal oxidizer ducts, boiler panels.