AISI 444 Stainless Steel | EN 1.4521 Ferritic Stainless Steel
AISI 444 / EN 1.4521 belongs to molybdenum‑bearing ferritic stainless steel. Compared with common 430 grade, extra molybdenum significantly improves its pitting and crevice corrosion resistance under chloride‑containing conditions. It features excellent thermal conductivity, low thermal expansion coefficient and decent formability. Though not as ductile as austenitic grades, it shows good stress‑corrosion‑cracking resistance.
We supply multiple product forms including stainless steel coil, sheet, plate and welded pipe. Surface finishes include 2B, No.1, polished finish. The material can be processed by bending, stamping and cutting.
Main application scenarios include solar water heaters, hot‑water tanks, water treatment equipment, outdoor architectural components, kitchen appliances and heat‑exchange parts. Our products meet ASTM and EN standards. Custom dimensions and cutting service are supported, with fast shipment for bulk orders.
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