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SUS444 stainless steel sheet, also known as AISI 444 Inox Sheet, is specifically designed for stainless steel water tank applications. This material conforms to EN 1.4521 / AISI 444 standards and represents a dual stabilized ferritic stainless steel containing 2% molybdenum.
Material Overview
Grade 4521 is equivalent to European code 1.4521 and American standard marking ASTM 444. With molybdenum alloying and 18% chromium content, this grade offers excellent corrosion properties comparable to austenitic grade 4401/4404 in various applications. The stabilization using both titanium and niobium ensures a fully stabilized microstructure with improved surface properties and elongation to fracture values up to 30% (A80).
Key Applications
Food processing equipment
Brewery and wine making equipment
Hot-water tanks and heat-exchanger tubing
Automotive components
Solar water heaters
Drinking-water environment pipes
Technical Properties
Chemical Composition (Typical)
Element
Content
Carbon
0.025 max
Manganese
1.00 max
Silicon
0.60
Chromium
17.50-19.50
Nickel
01.00 max
Molybdenum
1.75-2.50
Titanium + Columbium
0.20 + 4x (Carbon+ Nitrogen) min-0.80 max
Phosphorus
0.040 max
Sulfur
0.030 max
Iron
Balance
Physical Properties
Property
Value
Density
0.28 lbs/in³ (7.75 g/cm³)
Electrical Resistivity
22.50 microhm-in (57 microhm-cm) at 68°F (20°C)
Specific Heat
0.102 BTU/lb·°F (0.427 kJ/kg·K) at 32-212°F (0-100°C)
Thermal Conductivity
15.5 BTU/hr/ft²/ft/°F (26.8 W/m·K) at 212°F (100°C)
Mean Coefficient of Thermal Expansion
6.1 x 10⁻⁶ in/in/°F (11.0 µm/m·K) at 32-212°F (0-100°C)
Modulus of Elasticity
29 x 10³ ksi (200 x 10³ MPa) in tension
Magnetic Permeability
Magnetic
Melting Range
2700-2790°F (1482-1532°C)
Mechanical Properties at Room Temperature (Annealed)
#2BA - Smooth glossy finish for lightly formed applications
Polished - Various grit finishes for specific requirements
Not all finishes are available for all alloys
Manufacturing Characteristics
Type 444 provides excellent formability and can be readily deep drawn and spin formed. It features excellent cold-forming capabilities with lower work hardening rate than standard austenitic grades, making it more easily cold formed and machined. The material is non-heat treatable and offers superior resistance to chloride stress corrosion cracking.
Product Images
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification:
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...