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SUS444 stainless steel sheet, also known as AISI 444 or EN 1.4521, is a dual-stabilized ferritic stainless steel containing 2% molybdenum. This alloy offers excellent corrosion resistance comparable to austenitic grades 4401/4404, with higher strength values due to molybdenum content.
Material Specifications
Grade 1.4521 is equivalent to European code 1.4521 and American standard ASTM 444. Stabilization with titanium and niobium creates a fully stabilized microstructure, improving surface properties and achieving elongation to fracture values up to 30% (A80).
Key Applications
Heat exchangers, boilers, and water heaters
Stainless steel water tanks and drinking water systems
Food processing, brewery and wine making equipment
Solar water heaters
Automotive components
Pipes for tap water and drinking-water environments
Corrosion Resistance
As a molybdenum-alloyed ferritic steel, grade 1.4521 offers localized corrosion resistance close to grade 1.4404/AISI 316. The nickel-free ferritic structure provides excellent resistance to chloride-induced stress corrosion cracking.
Formability Characteristics
Excellent cold-forming capability with particular suitability for deep drawing. Lower work hardening rate compared to standard austenitic grades makes it less suitable for stretch forming but easier for cold forming and machining. Minimal susceptibility to "ridging and roping" surface defects.
Welding Properties
Low carbon and nitrogen content with titanium and niobium stabilization reduces sensitization and martensite formation. Grain growth in the heat-affected zone requires minimal heat input. Austenitic fillers are typically used for welding.
#2BA - Smooth glossy finish for lightly formed applications
Polished - Various grit finishes for specific requirements
Not all finishes are available for all alloys - Contact sales for availability
Wire Finishes
XC - Extra clean bright annealed or bright annealed and cold rolled
Grease - Ultra-bright finish for decorative applications
Soap - Soap retained as lubricant for tempered wire
Contact for custom wire finishes
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...