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You are here: Home- NewsJIS G4305 SUS444 stainless steel feature

JIS G4305 SUS444 stainless steel feature

Posted:9/17/2016 11:37:23 PM

JIS G4305 SUS444 stainless steel feature

 

SUS444 (00Cr18Mo2) is an ultra-low carbon and nitrogen containing 18% chromium and 2% molybdenum, high corrosion resistance of ferritic stainless steel. The steel commonly used titanium or niobium stabilized, intergranular corrosion after welding can be avoided. Compared with austenitic stainless steel such as SUS304 and SUS316L, the biggest advantage is that the steel has excellent resistance to chloride stress corrosion cracking, and corrosion resistance to chloride ion capacity of the steel is superior to SUS304, and SUS316L quite. Therefore, the steel is particularly suitable for a variety of water treatment devices.

 

SUS444 Chemical Composition:

Element

Content (%)

Iron, Fe

77.475

Chromium, Cr

18.5

Molybdenum, Mo

2

Nickel, Ni

1

Manganese, Mn

1

Silicon, Si

1

Carbon, C

0.025

 

SUS444 Physical Properties:

Properties

Metric

Imperial

Tensile strength

415 MPa

60200 psi

Yield strength

275 MPa

39900 psi

Elastic modulus

200 GPa

29000 ksi

Shear modulus

80-83 GPa

11600-12000 ksi

Poisson's ratio

0.27-0.30

0.27-0.30

Elongation at break

20%

20%

Hardness, Rockwell B

95

95

 

SUS444 Feature:


SUS444 having ultra-low carbon and nitrogen impurity element
SUS444 added to improve the resistance to pitting corrosion of molybdenum
SUS444 added niobium or titanium having a stabilizing effect
SUS444 low density area can be used to increase
SUS444 good thermal conductivity, easy to heat
SUS444 low thermal expansion, small welding deformation

 

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