GETIG 812

IDENTIFICATION : ERCuNi

CLASSIFICATION : AWS/SFA 5.7: ERCuNi, BS 2901:Pt 3,Grade C 18 DIN 1733:SG-CuNi30Fe

CHARACTERISTICS :

Copper –nickel solid wire depositing 70Cu-30Ni weld metal. This wire is used for welding similar cupronickel alloys and Cupro-Nickel type 90% Copper 10% Nickel. The weld metal is resistant to sea-water.

TYPICAL APPLICATIONS :

For-off-shore pipe and cladding systems, desalination plants, condensers and evaporators, heat exchangers, etc. Materials to be welded: BS: 70CuNi CN103-CN107, ASTM/ASME: CA715/UNS C71500, CA964/UNS C96400, OTHERS: Kunifer 30(IMI), Cunifer 30& 302(VDM).

Also suitable for welding 90/10 cupronickels below :

  • 90CuNi CN101 CA 706/UNS C70600 Kunifer 0(IMI)
  • CN102 CA 962/UNS C96200 Cunifer 10(VDM)

 SHIELDING GAS : Pure Argon (99.99%)

CHEMICALCOMPOSITION OF THE WIRE (%):

Ni Si Mn Pb Ti P S Fe Cu
30.0-32.0 0.20 max 0.5-1.0 0.007 max 0.20-0.50 0.01 max 0.01 max 0.40- 0.75 Remainder (balance)

ALL WELD MECHANICAL PROPERTIES (TYPICAL) :

Ult. Tensile Strength N/mm2 0.2% Proof Stress N/mm2 Elongation (%) (L=4D) Hardness SHV
345-430 180-250 40 105

RECOMMENDED CURRENT AND PACKING DATA :

SIZE (mm) LENGTH (mm) KG
1.6 1000 5
2.0 1000 5
2.4 1000 5
3.15 1000 5