444 Stainless Steel Sheet

  Type 444 is a ferritic stainless steel with low carbon and low nitrogen content, offering superior resistance to pitting and crevice corrosion compared to most other ferritic stainless steels. It is particularly suited for applications that demand excellent corrosion resistance and protection against chloride stress corrosion cracking.

CHEMISTRY TYPICAL

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

Density: 0.28 lbs/in3 7.75 g/cm3

Electrical Resistivity: microhm-in (microhm-cm):
68 ° F (20 ° C): 22.50 (57)

Specific Heat: BTU/lbl° F (kJ/kg•K):
32 - 212 ° F (0 - 100 ° C): 0.102 (0.427)

Thermal Conductivity: BTU/hr/ft2/ft/° F (W/m•K)
At 212 °F (100 °C): 15.5 (26.8)

Mean Coefficient of Thermal Expansion: in/inl° F (µm/m•K):
32 - 212 ° F (0 - 100 °C): 6.1 x 10-s (11.0)

Modulus of Elasticity: ksi (MPa)
29 x 103 (200 x 103) in tension

Magnetic Permeability: Magnetic

Melting Range: 2700 - 2790 ° F (1482 - 1532 °C)

444 Stainless Steel sheet

The corrosion resistance of 444 stainless steel is excellent.  Due to its high content of chromium and nickel, this stainless steel has good self-protection properties and can maintain stable performance in various corrosive environments.  444 stainless steel also has very good heat resistance.  It can maintain stable performance in high temperature environments and is not prone to oxidation and deformation.  Therefore, 444 stainless steel is widely used in various high temperature and thermal environments.  ASTM 444 stainless steel also has good processing properties and welding properties.  Lastly, this stainless steel can be processed into a variety of complex shapes and sizes, and has good welding properties to meet various manufacturing and processing needs.