26304-A SZ 2Ni1Si, 14171-B SUN21
Submerged arc welding wire for steels where impact properties are required at -60°C. Applications include structural, oil and gas and offshore steelwork.
For cryogenic construction steels and Ni bearing steels.
11MnNi5-3, 13MnNi6-3, S275NL-S460NL, S275ML-S460ML, P275NL2-P460NL2, P355ML2-P460ML2
ASTM: A333/A334 grades 1/6, A350 grades LF2/LF6, A352 grades LCB/LCC
API: 5L X65
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.
SAW: UP-100 Ni 1 (S2Ni1)
MIG/GMAW: ED-SG ER80S-Ni1
TIG/GTAW: WSG ER80S-Ni1