14171-A S2Ni3
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A5.23 ENi3
TÜV 03275, CE
Submerged arc welding of fine grain structural steel where high impact values are required.
For cryogenic construction steels and Ni bearing low temperature steels.
12Ni14
ASTM: A203 grades D/E/F, A333/A334 grades 3/7, A350 grade LF3/LF5, A352 grade LC3
C: 0,09
Si: 0,17
Mn: 1,05
Ni: 3,20
Preheat and PWHT are often not necessary but actual requirements will depend on the grade and thickness of material being welded and any design codes that apply.