KS-2553

Type of coating: Lime titania type
Weld metal is 25%Cr-7.5%Ni-3.5%Mo-0.17%N.
It is suitable for welding 25%Cr duplex stainless steel, such as UNS S32550.

▎Classification

AWS A 5.4E2553-16
JIS Z3221ES2553-16
EN 3581-A
GB T983
E2553-16

▎Applications and Features

  • Weld metal is 25%Cr-7.5%Ni-3.5%Mo-0.17%N.
  • It provides outstanding strength and excellent resistance to pitting and stress corrosion cracking.
  • It is suitable for welding 25%Cr duplex stainless steel, such as UNS S32550.

▎Welding Instruction

  • Please refer to Appendix H for re-drying instructions.
  • For other instructions and information, please refer to Appendix F

▎Application

It is suitable for welding 25%Cr duplex stainless steel, such as UNS S32550.

▎Typical Chemical Composition of Weld Metal (wt. %)

CSi
Mn
PSCrNiMoN
0.050.090.800.0150.02024.717.923.312.23

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm2
Yield StrengthN/mm²
Elongation
%
Ferrite Number
9007202245

▎Size and Suggested Operating Range (AC or DC+)

線徑(mm)
2.02.63.24.05.0
平銲/平角銲35-5550-8580-120100-150140-200
立銲/仰銲35-5045-8570-11090-135

▎Certification