Austenitic stainless steel ER347H for welding

2023-08-28 10:20:21

ER347H is commanly used for welding titanium and niobium stabilized 18%Cr-8%Ni high carbon stainless steel types 321H and 347H. The materials has good general corrosion resistance and high-temperature strength and has widly applications in the petrochemical, chemical and power generation industries. Typical service temperatures are up to 800 degrees C. 

Applications of SS ER347H Welding Wire include catalytic crackers, transfer lines, furnace parts, steam piping, superheater headers, and some gas and steam turbine components, used in petrochemical, chemical process plants and in power generation industries.

ASTM: 321H, 347H.

EN: 1.4941, 1.4961.

UNS: S32109, S34709.

C: ≤0.08

Si: 0.30-0.65

Mn: 1.0-2.5

Cr: 19.0-21.5

Ni: 9.0-11.0

Nb: 10*C-1.0