Product brief introduction
Brand SUS444 yield strength N/was tensile strength N/was elongation % hardness HB/HRB/HV cold bending 180 °, d = 2 a
SUS444 carbon (C) 0.025 or less, manganese (Mn) of 1.00 or less, silicon (Si) of 1.00 or less, phosphorus (P) of 0.030 or less, sulfur (S) of 0.030 or less, chromium (Cr) 17.00 ~ 20.00, molybdenum (Mo) 1.75 ~ 2.50.
1 resistance to chloride stress corrosion cracking ability
Adopting laboratory accelerated corrosion test method, test standard: GB/T 17898-1999 stainless steel in the boiling magnesium chloride stress corrosion test method in the solution.
Test materials SUS304 SUS316L SUS444
Crack occurred 48 h h 2.5 9.8 no crack
Crack through 48 h h 2.5 2.5 no crack
SUS444 has excellent resistance to chloride stress corrosion cracking ability
SUS444 ability is superior to the resistance to chlorine ion corrosion of SUS304
SUS444 ability and the resistance to chlorine ion corrosion SUS316L fairly
SUS444 after soldering no tendency to intergranular corrosion.